重新建库，开源大部分代码，脱敏处理

app/.gitignore

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+/build

app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.application)
+}
+
+android {
+    namespace = "cn.nahco3awa.naouc"
+    compileSdk = 36
+
+    defaultConfig {
+        applicationId = "cn.nahco3awa.naouc"
+        minSdk = 26
+        targetSdk = 36
+        versionCode = 1
+        versionName = "0.1.5"
+
+        ndk {
+            abiFilters.add("arm64-v8a")
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+
+    sourceSets {
+        getByName("main") {
+            jniLibs.srcDirs("src/main/jniLibs")
+        }
+    }
+}
+
+
+
+dependencies {
+    implementation(libs.gson)
+    implementation(libs.okhttp)
+    implementation(libs.appcompat)
+    implementation(libs.material)
+    implementation(libs.constraintlayout)
+    implementation(libs.lifecycle.livedata.ktx)
+    implementation(libs.lifecycle.viewmodel.ktx)
+    implementation(libs.navigation.fragment)
+    implementation(libs.navigation.ui)
+    implementation(libs.activity)
+    implementation(libs.zxing.android.embedded)
+    implementation(libs.recyclerview)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.espresso.core)
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:theme="@style/Theme.NaOUC">
+        <activity
+            android:name=".ui.ouc.activity.OucWaterActivity"
+            android:exported="false"
+            android:label="无卡取水" />
+        <activity
+            android:name=".ui.ouc.activity.OucNetActivity"
+            android:exported="false"
+            android:label="校园网账号管理" />
+        <activity
+            android:name=".ui.ouc.activity.OucBalanceActivity"
+            android:exported="false"
+            android:label="我的余额" />
+        <activity
+            android:name=".ui.ouc.activity.OucLoginMainActivity"
+            android:label="登录到 OUC" />
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="NaOUC">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/cn/nahco3awa/naouc/MainActivity.java

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+package cn.nahco3awa.naouc;
+
+import static android.widget.Toast.LENGTH_SHORT;
+
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+
+import cn.nahco3awa.naouc.databinding.ActivityMainBinding;
+
+public class MainActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        MyCrashHandler crashHandler = MyCrashHandler.newInstance();
+        crashHandler.init(this);
+        Thread.setDefaultUncaughtExceptionHandler(crashHandler);
+
+        ActivityMainBinding binding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        BottomNavigationView navView = findViewById(R.id.nav_view);
+        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
+                R.id.navigation_ouc, R.id.navigation_weouc)
+                .build();
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_main);
+        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
+        NavigationUI.setupWithNavController(binding.navView, navController);
+    }
+
+    private void sorryNo() {
+        Toast.makeText(this, "× 抱歉，不行。", LENGTH_SHORT).show();
+        finish();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/MyCrashHandler.java

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+package cn.nahco3awa.naouc;
+
+import static android.widget.Toast.LENGTH_LONG;
+
+import android.content.Context;
+import android.os.Environment;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+
+public class MyCrashHandler implements Thread.UncaughtExceptionHandler {
+    private Thread.UncaughtExceptionHandler mDefaultHandler;
+    private Context mcontext;
+    private static MyCrashHandler myCrashHandler;
+
+    private MyCrashHandler() {}
+
+    public static synchronized MyCrashHandler newInstance() {
+        if (myCrashHandler == null)
+            myCrashHandler = new MyCrashHandler();
+        return myCrashHandler;
+    }
+
+    public void init(Context context) {
+        mcontext = context;
+        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
+        Thread.setDefaultUncaughtExceptionHandler(this);
+    }
+
+    @Override
+    public void uncaughtException(@NonNull Thread t, Throwable e) {
+        new AlertDialog.Builder(mcontext)
+                .setTitle("未捕获的异常！")
+                .setMessage(e.getMessage())
+                .show();
+        Toast.makeText(mcontext, e.getMessage(), LENGTH_LONG).show();
+        if (!handleExample(e) && mDefaultHandler != null) {
+            mDefaultHandler.uncaughtException(t, e);
+        } else {
+            try {
+                Thread.sleep(3000);
+            } catch (InterruptedException e1) {
+                e1.printStackTrace();
+            }
+            android.os.Process.killProcess(android.os.Process.myPid());
+            System.exit(1);
+        }
+    }
+
+    private boolean handleExample(Throwable ex) {
+        if(ex == null)
+            return false;
+        saveCrashInfoToFile(ex);
+        return true;
+    }
+
+    private void saveCrashInfoToFile(Throwable ex) {
+        Writer writer = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(writer);
+        ex.printStackTrace(printWriter);
+        Throwable exCause = ex.getCause();
+        while (exCause != null) {
+            exCause.printStackTrace(printWriter);
+            exCause = exCause.getCause();
+        }
+        printWriter.close();
+
+        long timeMillis = System.currentTimeMillis();
+        String fileName = "crash-" + timeMillis + ".log";
+        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            String path = "/storage/emulated/0/crash_logInfo/";
+            File fl = new File(path);
+            if (!fl.exists()) {
+                boolean ignored = fl.mkdirs();
+            }
+            try {
+                FileOutputStream fileOutputStream = new FileOutputStream(path + fileName);
+                fileOutputStream.write(writer.toString().getBytes());
+                fileOutputStream.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/OUCRequestSender.java

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+package cn.nahco3awa.naouc.network.ouc;
+
+import androidx.annotation.NonNull;
+
+import java.io.IOException;
+
+import cn.nahco3awa.naouc.network.ouc.request.AccountPayAliPayOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetBarCodePayOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetCardAccInfoOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetInfoByTokenOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetMyBillOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetPhotoBySnoOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetRsaOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetValidateCodeOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.LoginOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.NetGdcOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.OUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.TsmOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiAccUseHzWatchRequest;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiBookCodeCancelRequest;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiBookCodeRequest;
+import cn.nahco3awa.naouc.network.ouc.response.AccountPayOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetBarCodePayOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetCardAccInfoOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetInfoByTokenOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetMyBillOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetPhotoBySnoOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetRsaKeyOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetValidateCodeOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.LoginOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.NetGdcOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+import cn.nahco3awa.naouc.network.ouc.response.TsmOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiAccUseHzWatchResponse;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiBookCodeCancelResponse;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiBookCodeResponse;
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class OUCRequestSender {
+    public static OUCRequestSender INSTANCE = null;
+    private String sessionId;
+    private final String imeiTicket;
+    private String sourceTypeTicket;
+    private String jSessionId;
+    private final OkHttpClient httpClient;
+    private OUCRequestSender(String imeiTicket) {
+        this.imeiTicket = imeiTicket;
+        this.sourceTypeTicket = "0";
+        this.sessionId = "";
+        this.jSessionId = "";
+        httpClient = new OkHttpClient();
+    }
+
+    public static void init(String imeiTicket) {
+        INSTANCE = new OUCRequestSender(imeiTicket);
+    }
+
+    public static OUCRequestSender getInstance() {
+        return INSTANCE;
+    }
+
+    public String getImeiTicket() {
+        return imeiTicket;
+    }
+
+    public String getSessionId() {
+        return sessionId;
+    }
+
+    public String getSourceTypeTicket() {
+        return sourceTypeTicket;
+    }
+
+    public Request.Builder setAspHeaders(Request.Builder request) {
+        return request.header("Cookie", "JSESSIONID=" + jSessionId + "; ASP.NET_SessionId=" + getSessionId() + "; imeiticket=" + getImeiTicket() + "; sourcetypeticket=" + getSourceTypeTicket())
+                .header("X-Requested-With", "XMLHttpRequest")
+                .header("Origin", "https://vcard.ouc.edu.cn")
+                .header("Sec-Fetch-Site", "same-origin")
+                .header("Sec-Fetch-Mode", "cors")
+                .header("Sec-Fetch-Dest", "empty")
+                .header("Referer", "https://vcard.ouc.edu.cn//Phone/Login")
+                .header("User-Agent", "Mozilla/5.0 (Linux; Android 12; ALA-AN70 Build/HONORALA-AN70; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.88 Mobile Safari/537.36");
+    }
+
+    public void waterApiBookCodeCancel(WaterApiBookCodeCancelRequest request, OUCCallback<WaterApiBookCodeCancelResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new WaterApiBookCodeCancelResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void waterApiBookCode(WaterApiBookCodeRequest request, OUCCallback<WaterApiBookCodeResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new WaterApiBookCodeResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void waterApiAccUseHzWatch(WaterApiAccUseHzWatchRequest request, OUCCallback<WaterApiAccUseHzWatchResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new WaterApiAccUseHzWatchResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void netGdc(NetGdcOUCRequest request, OUCCallback<NetGdcOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new NetGdcOUCResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void tsm(TsmOUCRequest request, OUCCallback<TsmOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new TsmOUCResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void getMyBill(GetMyBillOUCRequest request, OUCCallback<GetMyBillOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new GetMyBillOUCResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void accountPayAlipay(AccountPayAliPayOUCRequest request, OUCCallback<AccountPayOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new AccountPayOUCResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void getCardAccInfo(GetCardAccInfoOUCRequest request, OUCCallback<GetCardAccInfoOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
+                callback.onSuccess(new GetCardAccInfoOUCResponse(response));
+            }
+        });
+    }
+
+    public void getBarCodePay(GetBarCodePayOUCRequest request, OUCCallback<GetBarCodePayOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                GetBarCodePayOUCResponse response1;
+                try {
+                    response1 = new GetBarCodePayOUCResponse(response);
+                    callback.onSuccess(response1);
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void getPhotoBySno(GetPhotoBySnoOUCRequest request, OUCCallback<GetPhotoBySnoOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                callback.onSuccess(new GetPhotoBySnoOUCResponse(response));
+            }
+        });
+    }
+
+    public void getInfoByToken(GetInfoByTokenOUCRequest request, OUCCallback<GetInfoByTokenOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new GetInfoByTokenOUCResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void getRsaKey(GetRsaOUCRequest request, OUCCallback<GetRsaKeyOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                callback.onSuccess(new GetRsaKeyOUCResponse(response));
+            }
+        });
+    }
+
+    public void login(LoginOUCRequest request, OUCCallback<LoginOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                try {
+                    callback.onSuccess(new LoginOUCResponse(response));
+                } catch (Exception e) {
+                    callback.onFailure(e);
+                }
+            }
+        });
+    }
+
+    public void getValidateCode(GetValidateCodeOUCRequest request, OUCCallback<GetValidateCodeOUCResponse> callback) {
+        sendRequest(request, new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) {
+                callback.onSuccess(new GetValidateCodeOUCResponse(response));
+            }
+        });
+    }
+
+    public void sendRequest(OUCRequest request, Callback callback) {
+        Request req = request.makeRequest(this);
+        Call call = httpClient.newCall(req);
+        call.enqueue(new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                callback.onFailure(call, e);
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
+                if (response.isSuccessful()) {
+                    String setCookie = response.header("Set-Cookie");
+                    if (setCookie != null) {
+                        for (String cookie : setCookie.split(";")) {
+                            String[] kv = cookie.split("=");
+                            if (kv[0].equals("ASP.NET_SessionId")) {
+                                OUCRequestSender.this.sessionId = kv[1];
+                            }
+                            if (kv[0].equals("JSESSIONID")) {
+                                OUCRequestSender.this.jSessionId = kv[1];
+                            }
+                        }
+                    }
+                }
+                callback.onResponse(call, response);
+            }
+        });
+    }
+
+    public String getjSessionId() {
+        return jSessionId;
+    }
+
+    public void setSessionId(String sessionId) {
+        this.sessionId = sessionId;
+    }
+
+    public void setSourceTypeTicket(String sourceTypeTicket) {
+        this.sourceTypeTicket = sourceTypeTicket;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/AccountPayAliPayOUCRequest.java

@@ -0,0 +1,34 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class AccountPayAliPayOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/User/Account_Pay";
+    private final String account;
+    private final String tranamt;
+
+    public AccountPayAliPayOUCRequest(String account, String tranamt) {
+        this.account = account;
+        this.tranamt = tranamt;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder()
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("account", account)
+                        .addEncoded("acctype", "001")
+                        .addEncoded("tranamt", tranamt)
+                        .addEncoded("objtype", "own")
+                        .addEncoded("paytype", "alipay")
+                        .addEncoded("client_type", "wap")
+                        .addEncoded("paymethod", "4")
+                        .addEncoded("iacctype", "acc")
+                        .addEncoded("iswap", "0")
+                        .addEncoded("json", "true")
+                        .build())).build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetBarCodePayOUCRequest.java

@@ -0,0 +1,118 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.util.QrCodeSign;
+import cn.nahco3awa.naouc.util.RSASign;
+import cn.nahco3awa.naouc.util.SignUtils;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class GetBarCodePayOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn:20085/PhonePay/MobilePayCommon";
+    private final String account;
+    private final String cardId;
+    private final String imei;
+    private final String sourceType;
+
+    public GetBarCodePayOUCRequest(String account, String cardId, String imei, String sourceType) {
+        this.account = account;
+        this.cardId = cardId;
+        this.imei = imei;
+        this.sourceType = sourceType;
+    }
+
+
+    /*
+        method
+        timestamp
+        v
+        registerid
+        request
+        sign
+        // md5string
+        clientType
+        versionName
+        versionCode
+        sourcetype
+        imei
+        MD5string
+     */
+    public static final String UTF_8 = "UTF-8";
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        HashMap<String, String> map = new HashMap<>();
+
+        JsonObject jsonObject = new JsonObject();
+        JsonObject jsonObject2 = new JsonObject();
+
+        jsonObject.addProperty("account", account);
+        jsonObject.addProperty("acctype", "001");
+        jsonObject.addProperty("sourcetype", sourceType);
+        jsonObject.addProperty("flag", "00");
+        jsonObject.addProperty("cardid", cardId);
+        jsonObject2.add("synjones.pay.getbarcode", jsonObject);
+
+        JsonArray jsonArray = new JsonArray();
+        jsonArray.add(jsonObject2);
+
+        String request;
+        map.put("method", "synjones.pay.getbarcode");
+        String timestamp;
+        timestamp = URLEncoder.encode(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(System.currentTimeMillis())), StandardCharsets.UTF_8);
+        map.put("timestamp", timestamp);
+        map.put("v", "1.0");
+        map.put("registerid", "mobileby");
+        request = new SignUtils().sign(jsonArray.get(0).toString(), "qJzGEh6hESZDVJeCnFPGuxzaiB7NLQM5", "DESede");
+        String nr = URLEncoder.encode(request, StandardCharsets.UTF_8);
+        map.put("request", nr);
+        String sign = URLEncoder.encode(RSASign.sign(map), StandardCharsets.UTF_8);
+        map.put("sign", sign);
+
+        String signStatus = QrCodeSign.getSign(map);
+
+        if (signStatus != null) {
+            if (signStatus.equals("sign_error")) {
+                throw new RuntimeException("验证签名失败！");
+            }
+
+            map.put("clientType", "1");
+            map.put("versionName", "1.5.5");
+            map.put("versionCode", "10505");
+            map.put("sourcetype", sourceType);
+            map.put("imei", imei);
+
+            signStatus = QrCodeSign.getSign(map);
+            String md5 = QrCodeSign.getBase64(signStatus).toLowerCase();
+
+            FormBody formBody = new FormBody.Builder()
+                    .add("method", "synjones.pay.getbarcode")
+                    .add("timestamp", timestamp)
+                    .add("v", "1.0")
+                    .add("registerid", "mobileby")
+                    .add("request", nr)
+                    .add("sign", sign)
+                    .add("md5string", md5)
+                    .add("clientType", "1")
+                    .add("versionName", "1.5.5")
+                    .add("versionCode", "10505")
+                    .add("sourcetype", sourceType)
+                    .add("imei", imei)
+                    .build();
+
+            return sender.setAspHeaders(new Request.Builder()
+                    .url(URL)
+                    .post(formBody)).build();
+        }
+        throw new RuntimeException("签名为空！");
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetCardAccInfoOUCRequest.java

@@ -0,0 +1,24 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class GetCardAccInfoOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/User/GetCardAccInfo";
+    private final String account;
+
+    public GetCardAccInfoOUCRequest(String account) {
+        this.account = account;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder()
+                .post(new FormBody.Builder()
+                        .addEncoded("acc", account)
+                        .addEncoded("json", "true")
+                        .build())
+                .url(URL)).build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetInfoByTokenOUCRequest.java

@@ -0,0 +1,35 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class GetInfoByTokenOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/NoBase/GetInfoByToken";
+    private final String imei;
+    private final String sourceType;
+    private final String token;
+
+    public GetInfoByTokenOUCRequest(String imei, String sourceType, String token) {
+        this.imei = imei;
+        this.sourceType = sourceType;
+        this.token = token;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("clientType", "1")
+                        .addEncoded("imei", imei)
+                        .addEncoded("sourcetype", sourceType)
+                        .addEncoded("versionName", "1.5.5")
+                        .addEncoded("versionCode", "10505")
+                        .addEncoded("token", token)
+                        .build())
+                .build();
+    }
+}
+
+// 5760548

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetMyBillOUCRequest.java

@@ -0,0 +1,28 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class GetMyBillOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/Report/GetMyBill";
+    private final String account;
+    private final int page;
+
+    public GetMyBillOUCRequest(String account, int page) {
+        this.account = account;
+        this.page = page;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("account",  account)
+                        .addEncoded("page", String.valueOf(page))
+                        .addEncoded("json", "true")
+                        .build())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetPhotoBySnoOUCRequest.java

@@ -0,0 +1,34 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class GetPhotoBySnoOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/NoBase/GetPhotoBySno";
+    private final String imei;
+    private final String sourceType;
+    private final String sno;
+
+    public GetPhotoBySnoOUCRequest(String imei, String sourceType, String sno) {
+        this.imei = imei;
+        this.sourceType = sourceType;
+        this.sno = sno;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("accesstype", sourceType)
+                        .addEncoded("clientType", "1")
+                        .addEncoded("sno", sno)
+                        .addEncoded("imei", imei)
+                        .addEncoded("sourcetype", sourceType)
+                        .addEncoded("versionName", "1.5.5")
+                        .addEncoded("versionCode", "10505")
+                        .build())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetRsaOUCRequest.java

@@ -0,0 +1,18 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class GetRsaOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/Common/GetRsaKey";
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("json", "true")
+                        .build())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/GetValidateCodeOUCRequest.java

@@ -0,0 +1,28 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.Request;
+
+public class GetValidateCodeOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/Phone/GetValidateCode";
+    private long time;
+    public GetValidateCodeOUCRequest(long time) {
+        this.time = time;
+    }
+
+    public long getTime() {
+        return time;
+    }
+
+    public void setTime(long time) {
+        this.time = time;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder()
+                .url(URL + "?time=" + getTime())
+                .get())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/LoginOUCRequest.java

@@ -0,0 +1,40 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class LoginOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn/Phone/Login";
+    private final String sno;
+    private final String pwd;
+    private final boolean remember;
+    private final String uclass;
+    private final String yzm;
+    private final String key;
+
+    public LoginOUCRequest(String sno, String pwd, boolean remember, String uClass, String yzm, String key) {
+        this.sno = sno;
+        this.pwd = pwd;
+        this.remember = remember;
+        this.uclass = uClass;
+        this.yzm = yzm;
+        this.key = key;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder()
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("sno", sno)
+                        .addEncoded("pwd", pwd)
+                        .addEncoded("remember", remember ? "1" : "0")
+                        .addEncoded("uclass", uclass)
+                        .addEncoded("yzm", yzm)
+                        .addEncoded("key", key)
+                        .addEncoded("json", "true")
+                        .build()))
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/NetCheckOUCRequest.java

@@ -0,0 +1,15 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.Request;
+
+public class NetCheckOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn:8988/web/common/check.html?";
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL + "ticket=" + sender.getSourceTypeTicket())
+                .get()
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/NetGdcOUCRequest.java

@@ -0,0 +1,32 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class NetGdcOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn:8988/web/NetWork/NetGdc.html";
+    private final String account;
+    private final String netAccount;
+    private final int tran;
+
+    public NetGdcOUCRequest(String account, String netAccount, int tran) {
+        this.account = account;
+        this.netAccount = netAccount;
+        this.tran = tran;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("aid", "0030000000000301")
+                        .addEncoded("account", account)
+                        .addEncoded("tran", String.valueOf(tran))
+                        .addEncoded("netacc", netAccount)
+                        .addEncoded("acctype", "###")
+                        .build())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/OUCRequest.java

@@ -0,0 +1,8 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.Request;
+
+public interface OUCRequest {
+    Request makeRequest(OUCRequestSender sender);
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/TsmOUCRequest.java

@@ -0,0 +1,36 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import com.google.gson.JsonObject;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class TsmOUCRequest implements OUCRequest {
+    public static final String URL = "https://vcard.ouc.edu.cn:8988/web/Common/Tsm.html";
+    private final String account;
+    private final String payAccount;
+
+    public TsmOUCRequest(String account, String payAccount) {
+        this.account = account;
+        this.payAccount = payAccount;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        JsonObject jsonObject = new JsonObject();
+        JsonObject queryInfo = new JsonObject();
+        queryInfo.addProperty("aid", "0030000000000301");
+        queryInfo.addProperty("account", account);
+        queryInfo.addProperty("payacc", payAccount);
+        jsonObject.add("query_net_info", queryInfo);
+        return sender.setAspHeaders(new Request.Builder())
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("jsondata", jsonObject.toString())
+                        .addEncoded("funname", "synjones.onecard.query.net.info")
+                        .addEncoded("json", "true")
+                        .build())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/WaterApiAccUseHzWatchRequest.java

@@ -0,0 +1,43 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import com.google.gson.JsonObject;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.Request;
+
+public class WaterApiAccUseHzWatchRequest implements OUCRequest {
+    public static final String URL = "http://222.195.158.17:5003/waterapi/api/AccUseHzWatch";
+    public static final byte[] PUBLIC_KEY = Base64.getDecoder().decode("3n4DdO47LWH2Co/WfpbdyA==");
+    public static final String AES_MODE = "AES/ECB/PKCS5Padding";
+    public static final String AES = "AES";
+    private final String account;
+    public WaterApiAccUseHzWatchRequest(String account) {
+        this.account = account;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        JsonObject jsonObject = new JsonObject();
+        jsonObject.addProperty("ano", account);
+        try {
+            byte[] raw = jsonObject.toString().getBytes(StandardCharsets.UTF_8);
+            SecretKeySpec keySpec = new SecretKeySpec(PUBLIC_KEY, AES);
+            Cipher cipher = Cipher.getInstance(AES_MODE);
+            cipher.init(Cipher.ENCRYPT_MODE, keySpec);
+            byte[] encryptedInfo = cipher.doFinal(raw);
+            String info = Base64.getEncoder().encodeToString(encryptedInfo).replaceAll("=", "%3D");
+            return new Request.Builder()
+                    .url(URL + "?info=" + info + "&token=" + sender.getSourceTypeTicket())
+                    .get()
+                    .build();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/WaterApiBookCodeCancelRequest.java

@@ -0,0 +1,47 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import com.google.gson.JsonObject;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.Request;
+
+public class WaterApiBookCodeCancelRequest implements OUCRequest {
+    public static final String URL = "http://222.195.158.17:5003/waterapi/api/BookCodeReqCancel";
+    public static final byte[] PUBLIC_KEY = Base64.getDecoder().decode("3n4DdO47LWH2Co/WfpbdyA==");
+    public static final String AES_MODE = "AES/ECB/PKCS5Padding";
+    public static final String AES = "AES";
+    private final String account;
+    private final int classNo;
+
+    public WaterApiBookCodeCancelRequest(String account, int classNo) {
+        this.account = account;
+        this.classNo = classNo;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        JsonObject jsonObject = new JsonObject();
+        jsonObject.addProperty("ano", account);
+        jsonObject.addProperty("classno", classNo);
+        try {
+            byte[] raw = jsonObject.toString().getBytes(StandardCharsets.UTF_8);
+            SecretKeySpec keySpec = new SecretKeySpec(PUBLIC_KEY, AES);
+            Cipher cipher = Cipher.getInstance(AES_MODE);
+            cipher.init(Cipher.ENCRYPT_MODE, keySpec);
+            byte[] encryptedInfo = cipher.doFinal(raw);
+            String info = Base64.getEncoder().encodeToString(encryptedInfo).replaceAll("=", "%3D");
+            return new Request.Builder()
+                    .url(URL + "?info=" + info + "&token=" + sender.getSourceTypeTicket())
+                    .get()
+                    .build();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/request/WaterApiBookCodeRequest.java

@@ -0,0 +1,47 @@
+package cn.nahco3awa.naouc.network.ouc.request;
+
+import com.google.gson.JsonObject;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import okhttp3.Request;
+
+public class WaterApiBookCodeRequest implements OUCRequest {
+    public static final String URL = "http://222.195.158.17:5003/waterapi/api/BookCodeReq";
+    public static final byte[] PUBLIC_KEY = Base64.getDecoder().decode("3n4DdO47LWH2Co/WfpbdyA==");
+    public static final String AES_MODE = "AES/ECB/PKCS5Padding";
+    public static final String AES = "AES";
+    private final String account;
+    private final int classNo;
+
+    public WaterApiBookCodeRequest(String account, int classNo) {
+        this.account = account;
+        this.classNo = classNo;
+    }
+
+    @Override
+    public Request makeRequest(OUCRequestSender sender) {
+        JsonObject jsonObject = new JsonObject();
+        jsonObject.addProperty("ano", account);
+        jsonObject.addProperty("classno", classNo);
+        try {
+            byte[] raw = jsonObject.toString().getBytes(StandardCharsets.UTF_8);
+            SecretKeySpec keySpec = new SecretKeySpec(PUBLIC_KEY, AES);
+            Cipher cipher = Cipher.getInstance(AES_MODE);
+            cipher.init(Cipher.ENCRYPT_MODE, keySpec);
+            byte[] encryptedInfo = cipher.doFinal(raw);
+            String info = Base64.getEncoder().encodeToString(encryptedInfo).replaceAll("=", "%3D");
+            return new Request.Builder()
+                    .url(URL + "?info=" + info + "&token=" + sender.getSourceTypeTicket())
+                    .get()
+                    .build();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/AccountPayOUCResponse.java

@@ -0,0 +1,34 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class AccountPayOUCResponse extends OUCResponse {
+    private final String url;
+    private final String method;
+    private final String orderId;
+    public AccountPayOUCResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        if (!jsonObject.get("IsSucceed").getAsBoolean()) {
+            throw new RuntimeException(jsonObject.get("Msg").getAsString());
+        }
+        url = jsonObject.get("Msg").getAsString();
+        method = jsonObject.get("Obj").getAsString();
+        orderId = jsonObject.get("OrderID").getAsString();
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public String getMethod() {
+        return method;
+    }
+
+    public String getOrderId() {
+        return orderId;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetBarCodePayOUCResponse.java

@@ -0,0 +1,42 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import android.util.Log;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class GetBarCodePayOUCResponse extends OUCResponse {
+    private final int account;
+    private final long expires;
+    private final String[] barcode;
+    public GetBarCodePayOUCResponse(Response response) {
+        super(response);
+        JsonObject object = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        if (!object.get("retcode").getAsString().equals("0")) {
+            Log.e("GBCP", object.toString());
+            throw new RuntimeException(object.get("errmsg").getAsString());
+        }
+        JsonObject obj = object.getAsJsonObject("obj");
+        account = Integer.parseInt(obj.get("ACCOUNT").getAsString());
+        expires = Long.parseLong(obj.get("EXPIRES").getAsString());
+        barcode = new String[4];
+        var awa = obj.get("BARCODE").getAsJsonArray();
+        for (int i = 0; i < 4; i++) {
+            barcode[i] = awa.get(i).getAsString();
+        }
+    }
+
+    public int getAccount() {
+        return account;
+    }
+
+    public long getExpires() {
+        return expires;
+    }
+
+    public String[] getBarcode() {
+        return barcode;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetCardAccInfoOUCResponse.java

@@ -0,0 +1,26 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.io.IOException;
+
+import okhttp3.Response;
+
+public class GetCardAccInfoOUCResponse extends OUCResponse {
+    private final int balance; // 我们假定海大没有富哥
+    public GetCardAccInfoOUCResponse(Response response) throws IOException {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseString(response.body().string()).getAsJsonObject();
+        String msg = jsonObject.get("Msg").getAsString();
+        JsonObject queryObject = JsonParser.parseString(msg).getAsJsonObject().get("query_accinfo").getAsJsonObject();
+        if (!queryObject.get("retcode").getAsString().equals("0")) {
+            throw new RuntimeException(queryObject.get("errmsg").getAsString());
+        }
+        balance = Integer.parseInt(queryObject.get("accinfo").getAsJsonArray().get(0).getAsJsonObject().get("balance").getAsString());
+    }
+
+    public int getBalance() {
+        return balance;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetInfoByTokenOUCResponse.java

@@ -0,0 +1,138 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class GetInfoByTokenOUCResponse extends OUCResponse {
+    private final String no;
+    private final String name;
+    private final String sex;
+    private final String sno;
+    private final String lastUpdate;
+    private final String account;
+    private final String cardId;
+    private final String password;
+    private final String bmmc;
+    private final String subjectCode;
+    private final String subjectName;
+    private final String gradeName;
+    private final String schoolName;
+    private final String pidName;
+    private final String pidCode;
+    private final String classCode;
+    private final String expDate;
+    private final String areaCode;
+    private final String deptCode;
+    private final String className;
+
+    public GetInfoByTokenOUCResponse(Response response) {
+        super(response);
+        JsonObject object = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        if (!object.get("IsSucceed").getAsBoolean()) {
+            throw new RuntimeException(object.get("Msg").getAsString());
+        }
+        JsonObject obj2 = object.getAsJsonObject("Obj");
+        no = obj2.get("NO").getAsString();
+        name = obj2.get("NAME").getAsString();
+        sex = obj2.get("SEX").getAsString();
+        sno = obj2.get("SNO").getAsString();
+        lastUpdate = obj2.get("LASTUPDATE").getAsString();
+        account = obj2.get("ACCOUNT").getAsString();
+        cardId = obj2.get("CARDID").getAsString();
+        subjectName = obj2.get("ZYMC").getAsString();
+        subjectCode = obj2.get("ZYDM").getAsString();
+        gradeName = obj2.get("NJMC").getAsString();
+        schoolName = obj2.get("XQMC").getAsString();
+        pidName = obj2.get("PIDNAME").getAsString();
+        pidCode = obj2.get("PIDCODE").getAsString();
+        classCode = obj2.get("BJDM").getAsString();
+        expDate = obj2.get("EXPDATE").getAsString();
+        areaCode = obj2.get("AREACODE").getAsString();
+        deptCode = obj2.get("DEPTCODE").getAsString();
+        className = obj2.get("BJMC").getAsString();
+        password = obj2.get("PASSWORD").getAsString();
+        bmmc = obj2.get("BMMC").getAsString();
+    }
+
+    public String getClassName() {
+        return className;
+    }
+
+    public String getDeptCode() {
+        return deptCode;
+    }
+
+    public String getAreaCode() {
+        return areaCode;
+    }
+
+    public String getExpDate() {
+        return expDate;
+    }
+
+    public String getClassCode() {
+        return classCode;
+    }
+
+    public String getPidCode() {
+        return pidCode;
+    }
+
+    public String getPidName() {
+        return pidName;
+    }
+
+    public String getSchoolName() {
+        return schoolName;
+    }
+
+    public String getGradeName() {
+        return gradeName;
+    }
+
+    public String getSubjectName() {
+        return subjectName;
+    }
+
+    public String getSubjectCode() {
+        return subjectCode;
+    }
+
+    public String getBmmc() {
+        return bmmc;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String getCardId() {
+        return cardId;
+    }
+
+    public String getAccount() {
+        return account;
+    }
+
+    public String getLastUpdate() {
+        return lastUpdate;
+    }
+
+    public String getSno() {
+        return sno;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getNo() {
+        return no;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetMyBillOUCResponse.java

@@ -0,0 +1,30 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import cn.nahco3awa.naouc.network.ouc.response.data.SingleBillData;
+import okhttp3.Response;
+
+public class GetMyBillOUCResponse extends OUCResponse {
+    private final List<SingleBillData> billData;
+    public GetMyBillOUCResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        var arr = jsonObject.get("rows").getAsJsonArray();
+        billData = new ArrayList<>(arr.size());
+        Gson gson = new Gson();
+        for (JsonElement jsonElement : arr) {
+            billData.add(gson.fromJson(jsonElement, SingleBillData.class));
+        }
+    }
+
+    public List<SingleBillData> getBillData() {
+        return billData;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetPhotoBySnoOUCResponse.java

@@ -0,0 +1,29 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.util.Base64;
+
+import okhttp3.Response;
+
+public class GetPhotoBySnoOUCResponse extends OUCResponse {
+    private final Bitmap image;
+    public GetPhotoBySnoOUCResponse(Response response) {
+        super(response);
+        JsonObject object = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        if (!object.get("IsSucceed").getAsBoolean()) {
+            throw new RuntimeException(object.get("Msg").getAsString());
+        }
+        String imageBase64 = object.get("Obj").getAsString();
+        byte[] bs = Base64.getDecoder().decode(imageBase64);
+        image = BitmapFactory.decodeByteArray(bs, 0, bs.length);
+    }
+
+    public Bitmap getImage() {
+        return image;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetRsaKeyOUCResponse.java

@@ -0,0 +1,32 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class GetRsaKeyOUCResponse extends OUCResponse {
+    private final String msg;
+    private final String e;
+    private final String mod;
+    public GetRsaKeyOUCResponse(Response response) {
+        super(response);
+        JsonObject object = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        msg = object.get("Msg").getAsString();
+        String[] keys = object.get("Obj").getAsString().split(",");
+        e = keys[0];
+        mod = keys[1];
+    }
+
+    public String getMod() {
+        return mod;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public String getE() {
+        return e;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/GetValidateCodeOUCResponse.java

@@ -0,0 +1,19 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+import okhttp3.Response;
+
+public class GetValidateCodeOUCResponse extends OUCResponse {
+    private final Bitmap image;
+
+    public GetValidateCodeOUCResponse(Response response) {
+        super(response);
+        image = BitmapFactory.decodeStream(response.body().byteStream());
+    }
+
+    public Bitmap getImage() {
+        return image;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/LoginOUCResponse.java

@@ -0,0 +1,144 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class LoginOUCResponse extends OUCResponse {
+    private final String rescouseType;
+    private final String no;
+    private final String name;
+    private final String sex;
+    private final String sno;
+    private final String lastUpdate;
+    private final String account;
+    private final String cardId;
+    private final String tel;
+    private final String subjectName;
+    private final String subjectCode;
+    private final String gradeName;
+    private final String schoolName;
+    private final String pidName;
+    private final String pidCode;
+    private final String classCode;
+    private final String expDate;
+    private final String areaCode;
+    private final String deptCode;
+    private final String className;
+    private final String createdDate;
+    public LoginOUCResponse(Response response) {
+        super(response);
+        JsonObject object = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        if (!object.get("IsSucceed").getAsBoolean()) {
+            throw new RuntimeException(object.get("Msg").getAsString());
+        }
+        JsonObject obj2 = object.getAsJsonObject("Obj2");
+        rescouseType = obj2.get("RescouseType").getAsString();
+        no = obj2.get("NO").getAsString();
+        name = obj2.get("NAME").getAsString();
+        sex = obj2.get("SEX").getAsString();
+        sno = obj2.get("SNO").getAsString();
+        lastUpdate = obj2.get("LASTUPDATE").getAsString();
+        account = obj2.get("ACCOUNT").getAsString();
+        cardId = obj2.get("CARDID").getAsString();
+        tel = obj2.get("TEL").getAsString();
+        subjectName = obj2.get("ZYMC").getAsString();
+        subjectCode = obj2.get("ZYDM").getAsString();
+        gradeName = obj2.get("NJMC").getAsString();
+        schoolName = obj2.get("XQMC").getAsString();
+        pidName = obj2.get("PIDNAME").getAsString();
+        pidCode = obj2.get("PIDCODE").getAsString();
+        classCode = obj2.get("BJDM").getAsString();
+        expDate = obj2.get("EXPDATE").getAsString();
+        areaCode = obj2.get("AREACODE").getAsString();
+        deptCode = obj2.get("DEPTCODE").getAsString();
+        className = obj2.get("BJMC").getAsString();
+        createdDate = obj2.get("CREATEDATE").getAsString();
+    }
+
+
+    public String getCreatedDate() {
+        return createdDate;
+    }
+
+    public String getClassName() {
+        return className;
+    }
+
+    public String getDeptCode() {
+        return deptCode;
+    }
+
+    public String getAreaCode() {
+        return areaCode;
+    }
+
+    public String getExpDate() {
+        return expDate;
+    }
+
+    public String getClassCode() {
+        return classCode;
+    }
+
+    public String getPidCode() {
+        return pidCode;
+    }
+
+    public String getPidName() {
+        return pidName;
+    }
+
+    public String getSchoolName() {
+        return schoolName;
+    }
+
+    public String getGradeName() {
+        return gradeName;
+    }
+
+    public String getSubjectCode() {
+        return subjectCode;
+    }
+
+    public String getSubjectName() {
+        return subjectName;
+    }
+
+    public String getTel() {
+        return tel;
+    }
+
+    public String getCardId() {
+        return cardId;
+    }
+
+    public String getAccount() {
+        return account;
+    }
+
+    public String getLastUpdate() {
+        return lastUpdate;
+    }
+
+    public String getSno() {
+        return sno;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getNo() {
+        return no;
+    }
+
+    public String getRescouseType() {
+        return rescouseType;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/NetGdcOUCResponse.java

@@ -0,0 +1,49 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class NetGdcOUCResponse extends OUCResponse {
+    private final int retCode;
+    private final String errMessage;
+    private final String aid;
+    private final String account;
+    private final String accountType;
+    private final int tranAmount;
+    public NetGdcOUCResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject().getAsJsonObject("pay_net_gdc");
+        retCode = Integer.parseInt(jsonObject.get("retcode").getAsString());
+        errMessage = jsonObject.get("errmsg").getAsString();
+        aid = jsonObject.get("aid").getAsString();
+        account = jsonObject.get("account").getAsString();
+        accountType = jsonObject.get("acctype").getAsString();
+        tranAmount = Integer.parseInt(jsonObject.get("tranamt").getAsString());
+    }
+
+    public int getRetCode() {
+        return retCode;
+    }
+
+    public int getTranAmount() {
+        return tranAmount;
+    }
+
+    public String getAccount() {
+        return account;
+    }
+
+    public String getAccountType() {
+        return accountType;
+    }
+
+    public String getAid() {
+        return aid;
+    }
+
+    public String getErrMessage() {
+        return errMessage;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/OUCCallback.java

@@ -0,0 +1,6 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+public interface OUCCallback<R extends OUCResponse> {
+    void onSuccess(R response);
+    void onFailure(Throwable e);
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/OUCResponse.java

@@ -0,0 +1,14 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import okhttp3.Response;
+
+public abstract class OUCResponse {
+    private final Response response;
+     public OUCResponse(Response response) {
+         this.response = response;
+     }
+
+    public Response getResponse() {
+        return response;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/TsmOUCResponse.java

@@ -0,0 +1,62 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class TsmOUCResponse extends OUCResponse {
+    private final String msg;
+    private final String aid;
+    private final String account;
+    private final String netAccount;
+    private final float balance;
+    private final boolean isFrozen;
+    private final boolean hasLost;
+    private final String retcode;
+
+    public TsmOUCResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject().getAsJsonObject("query_net_info");
+        if (!jsonObject.get("retcode").getAsString().equals("0")) {
+            throw new RuntimeException(jsonObject.get("errmsg").getAsString());
+        }
+        retcode = jsonObject.get("retcode").getAsString();
+        msg = jsonObject.get("errmsg").getAsString();
+        aid = jsonObject.get("aid").getAsString();
+        account = jsonObject.get("account").getAsString();
+        JsonObject netAccountObject = jsonObject.getAsJsonObject("netacc");
+        netAccount = netAccountObject.get("netacc").getAsString();
+        balance = Integer.parseInt(netAccountObject.get("bal").getAsString()) / 100.0f;
+        isFrozen = netAccountObject.get("freezeflag").getAsString().equals("1");
+        hasLost = netAccountObject.get("lostflag").getAsString().equals("1");
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public String getAid() {
+        return aid;
+    }
+
+    public String getAccount() {
+        return account;
+    }
+
+    public String getNetAccount() {
+        return netAccount;
+    }
+
+    public float getBalance() {
+        return balance;
+    }
+
+    public boolean isFrozen() {
+        return isFrozen;
+    }
+
+    public boolean hasLost() {
+        return hasLost;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/WaterApiAccUseHzWatchResponse.java

@@ -0,0 +1,52 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import cn.nahco3awa.naouc.network.ouc.response.data.SingleWaterHzWatchData;
+import okhttp3.Response;
+
+public class WaterApiAccUseHzWatchResponse extends OUCResponse {
+    private final int retNo;
+    private final String description;
+    private final List<SingleWaterHzWatchData> data;
+    public WaterApiAccUseHzWatchResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        retNo = jsonObject.get("RetNo").getAsInt();
+        description = jsonObject.get("RetDsp").getAsString();
+        if (retNo != 0) {
+            throw new RuntimeException(description);
+        }
+        data = new ArrayList<>();
+        for (JsonElement single : jsonObject.getAsJsonArray("List")) {
+            JsonObject singleData = single.getAsJsonObject();
+            data.add(new SingleWaterHzWatchData(
+                    singleData.get("ClassNo").getAsInt(),
+                    singleData.get("ClassName").getAsString(),
+                    singleData.get("PosNum").getAsInt(),
+                    singleData.get("WarnPosNum").getAsInt(),
+                    singleData.get("UseFreeRate").getAsInt(),
+                    singleData.get("BookRate").getAsInt(),
+                    singleData.get("Actkind").getAsInt(),
+                    singleData.get("BookCode").getAsString()
+            ));
+        }
+    }
+
+    public List<SingleWaterHzWatchData> getData() {
+        return data;
+    }
+
+    public int getRetNo() {
+        return retNo;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/WaterApiBookCodeCancelResponse.java

@@ -0,0 +1,31 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class WaterApiBookCodeCancelResponse extends OUCResponse {
+    private final int retNo;
+    private final String description;
+    private final String bookCode;
+    public WaterApiBookCodeCancelResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        retNo = jsonObject.get("RetNo").getAsInt();
+        description = jsonObject.get("RetDsp").getAsString();
+        bookCode = jsonObject.get("BookCode").getAsString();
+    }
+
+    public String getBookCode() {
+        return bookCode;
+    }
+
+    public int getRetNo() {
+        return retNo;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/WaterApiBookCodeResponse.java

@@ -0,0 +1,31 @@
+package cn.nahco3awa.naouc.network.ouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import okhttp3.Response;
+
+public class WaterApiBookCodeResponse extends OUCResponse {
+    private final int retNo;
+    private final String description;
+    private final String bookCode;
+    public WaterApiBookCodeResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        retNo = jsonObject.get("RetNo").getAsInt();
+        description = jsonObject.get("RetDsp").getAsString();
+        bookCode = jsonObject.get("BookCode").getAsString();
+    }
+
+    public String getBookCode() {
+        return bookCode;
+    }
+
+    public int getRetNo() {
+        return retNo;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/data/SingleBillData.java

@@ -0,0 +1,19 @@
+package cn.nahco3awa.naouc.network.ouc.response.data;
+
+public class SingleBillData {
+    public int RO; // 行数
+    public String OCCTIME; // 支出事件
+    public String EFFECTDATE; // 生效时间
+    public String XQ; // 星期
+    public String MERCNAME; // 消费地点
+    public float TRANAMT; // 金额
+    public String TRANNAME;  // 支付方式
+    public float CARDBAL; // 余额
+    public String JDESC; // 流水简介
+    public int JNUM;
+    public String MACCOUNT;
+    public String TRANCODE;
+    public String F1;
+    public String F2;
+    public String F3;
+}

app/src/main/java/cn/nahco3awa/naouc/network/ouc/response/data/SingleWaterHzWatchData.java

@@ -0,0 +1,107 @@
+package cn.nahco3awa.naouc.network.ouc.response.data;
+
+import java.util.Objects;
+
+public final class SingleWaterHzWatchData {
+    private final int ClassNo;
+    private final String ClassName;
+    private final int PosNum;
+    private final int WarnPosNum;
+    private final int UseFreeRate;
+    private final int BookRate;
+    private int Actkind;
+    private String BookCode;
+
+    public SingleWaterHzWatchData(
+            int ClassNo, // 单位编号
+            String ClassName, // 单位名称
+            int PosNum, // 设备量
+            int WarnPosNum, // ???
+            int UseFreeRate, // 空闲率
+            int BookRate, // 预约比例（66为0.66%）
+            int Actkind, // 0未预约 1已预约
+            String BookCode // 预约编号
+    ) {
+        this.ClassNo = ClassNo;
+        this.ClassName = ClassName;
+        this.PosNum = PosNum;
+        this.WarnPosNum = WarnPosNum;
+        this.UseFreeRate = UseFreeRate;
+        this.BookRate = BookRate;
+        this.Actkind = Actkind;
+        this.BookCode = BookCode;
+    }
+
+    public int ClassNo() {
+        return ClassNo;
+    }
+
+    public String ClassName() {
+        return ClassName;
+    }
+
+    public int PosNum() {
+        return PosNum;
+    }
+
+    public int WarnPosNum() {
+        return WarnPosNum;
+    }
+
+    public int UseFreeRate() {
+        return UseFreeRate;
+    }
+
+    public int BookRate() {
+        return BookRate;
+    }
+
+    public int Actkind() {
+        return Actkind;
+    }
+
+    public String BookCode() {
+        return BookCode;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) return true;
+        if (obj == null || obj.getClass() != this.getClass()) return false;
+        var that = (SingleWaterHzWatchData) obj;
+        return this.ClassNo == that.ClassNo &&
+                Objects.equals(this.ClassName, that.ClassName) &&
+                this.PosNum == that.PosNum &&
+                this.WarnPosNum == that.WarnPosNum &&
+                this.UseFreeRate == that.UseFreeRate &&
+                this.BookRate == that.BookRate &&
+                this.Actkind == that.Actkind &&
+                Objects.equals(this.BookCode, that.BookCode);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(ClassNo, ClassName, PosNum, WarnPosNum, UseFreeRate, BookRate, Actkind, BookCode);
+    }
+
+    @Override
+    public String toString() {
+        return "SingleWaterHzWatchData[" +
+                "ClassNo=" + ClassNo + ", " +
+                "ClassName=" + ClassName + ", " +
+                "PosNum=" + PosNum + ", " +
+                "WarnPosNum=" + WarnPosNum + ", " +
+                "UseFreeRate=" + UseFreeRate + ", " +
+                "BookRate=" + BookRate + ", " +
+                "Actkind=" + Actkind + ", " +
+                "BookCode=" + BookCode + ']';
+    }
+
+    public void setActkind(int actkind) {
+        Actkind = actkind;
+    }
+
+    public void setBookCode(String bookCode) {
+        BookCode = bookCode;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/LoginType.java

@@ -0,0 +1,13 @@
+package cn.nahco3awa.naouc.network.weouc;
+
+public enum LoginType {
+    UNDERGRADUATE("undergraduate");
+    String name;
+    LoginType(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/WeOUCRequestSender.java

@@ -0,0 +1,12 @@
+package cn.nahco3awa.naouc.network.weouc;
+
+import okhttp3.OkHttpClient;
+
+public class WeOUCRequestSender {
+    private final OkHttpClient client;
+    private WeOUCRequestSender() {
+        client = new OkHttpClient();
+    }
+
+    
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/request/KbWeOUCRequest.java

@@ -0,0 +1,37 @@
+package cn.nahco3awa.naouc.network.weouc.request;
+
+import cn.nahco3awa.naouc.network.weouc.LoginType;
+import cn.nahco3awa.naouc.network.weouc.WeOUCRequestSender;
+import okhttp3.FormBody;
+import okhttp3.Request;
+
+public class KbWeOUCRequest implements WeOUCRequest {
+    public static final String URL = "https://api.weouc.com/api/jw/kb";
+    private final int xn;
+    private final int xq;
+    private final String sno;
+    private final LoginType loginType;
+    private final String password;
+
+    public KbWeOUCRequest(int xn, int xq, String sno, LoginType loginType, String password) {
+        this.xn = xn;
+        this.xq = xq;
+        this.sno = sno;
+        this.loginType = loginType;
+        this.password = password;
+    }
+
+    @Override
+    public Request makeRequest(WeOUCRequestSender sender) {
+        return new Request.Builder()
+                .url(URL)
+                .post(new FormBody.Builder()
+                        .addEncoded("xn", String.valueOf(xn))
+                        .addEncoded("xq", String.valueOf(xq))
+                        .addEncoded("sno", sno)
+                        .addEncoded("loginType", loginType.getName())
+                        .addEncoded("password", password)
+                        .build())
+                .build();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/request/WeOUCRequest.java

@@ -0,0 +1,8 @@
+package cn.nahco3awa.naouc.network.weouc.request;
+
+import cn.nahco3awa.naouc.network.weouc.WeOUCRequestSender;
+import okhttp3.Request;
+
+public interface WeOUCRequest {
+    Request makeRequest(WeOUCRequestSender sender);
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/response/KbWeOUCResponse.java

@@ -0,0 +1,40 @@
+package cn.nahco3awa.naouc.network.weouc.response;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.util.List;
+
+import cn.nahco3awa.naouc.network.weouc.response.data.kb.ClassData;
+import okhttp3.Response;
+
+public class KbWeOUCResponse extends WeOUCResponse {
+    private final List<ClassData> classes;
+    private final boolean fromCache;
+    private final String message;
+    private final int status;
+    public KbWeOUCResponse(Response response) {
+        super(response);
+        JsonObject jsonObject = JsonParser.parseReader(response.body().charStream()).getAsJsonObject();
+        fromCache = jsonObject.get("from_cache").getAsBoolean();
+        message = jsonObject.get("message").getAsString();
+        status = jsonObject.get("status").getAsInt();
+        classes = ClassData.parseClassesData(jsonObject.get("data").getAsJsonArray());
+    }
+
+    public int getStatus() {
+        return status;
+    }
+
+    public List<ClassData> getClasses() {
+        return classes;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public boolean isFromCache() {
+        return fromCache;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/response/WeOUCCallback.java

@@ -0,0 +1,6 @@
+package cn.nahco3awa.naouc.network.weouc.response;
+
+public interface WeOUCCallback<R extends WeOUCResponse> {
+    void onSuccess(R response);
+    void onFailure(Throwable e);
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/response/WeOUCResponse.java

@@ -0,0 +1,14 @@
+package cn.nahco3awa.naouc.network.weouc.response;
+
+import okhttp3.Response;
+
+public abstract class WeOUCResponse {
+    private final Response response;
+     public WeOUCResponse(Response response) {
+         this.response = response;
+     }
+
+    public Response getResponse() {
+        return response;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/network/weouc/response/data/kb/ClassData.java

@@ -0,0 +1,134 @@
+package cn.nahco3awa.naouc.network.weouc.response.data.kb;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class ClassData {
+    private final String name;
+    private final String classRoom;
+    private final String credit;
+    private final String origin;
+    private final String status;
+    private final String teacher;
+    private final int begin;
+    private final int num;
+    private final int day;
+    private final List<String> weeks;
+
+    public static final Map<Integer, Integer> DAY_OF_WEEK_MAP = new HashMap<>();
+    public static final int[] CLASS_MINUTES = {
+            0,
+            8 * 60,
+            9 * 60,
+            10 * 60 + 10,
+            11 * 60 + 10,
+            // rest
+            13 * 60 + 30,
+            14 * 60 + 30,
+            15 * 60 + 30,
+            16 * 60 + 30,
+            17 * 60 + 30,
+            18 * 60 + 30,
+            19 * 60 + 30,
+            20 * 60 + 30
+    };
+
+    public ClassData(String name, String classRoom, String credit, String origin, String status, String teacher, int begin, int num, int day, List<String> weeks) {
+        this.name = name;
+        this.classRoom = classRoom;
+        this.credit = credit;
+        this.origin = origin;
+        this.status = status;
+        this.teacher = teacher;
+        this.begin = begin;
+        this.num = num;
+        this.day = day;
+        this.weeks = weeks;
+    }
+
+    public List<String> getWeeks() {
+        return weeks;
+    }
+
+    public int getDay() {
+        return day;
+    }
+
+    public int getNum() {
+        return num;
+    }
+
+    public int getBegin() {
+        return begin;
+    }
+
+    public String getTeacher() {
+        return teacher;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public String getOrigin() {
+        return origin;
+    }
+
+    public String getCredit() {
+        return credit;
+    }
+
+    public String getClassRoom() {
+        return classRoom;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getMinutesOfDay() {
+        return CLASS_MINUTES[getBegin()];
+    }
+
+    public static ClassData fromJson(JsonObject jsonObject) {
+        return new Gson().fromJson(jsonObject, ClassData.class);
+    }
+
+    public static List<ClassData> parseClassesData(JsonArray data) {
+        List<ClassData> ret = new ArrayList<>();
+        for (JsonElement datum : data) {
+            for (JsonElement classes : datum.getAsJsonObject().getAsJsonArray("classes")) {
+                if (classes.isJsonArray()) {
+                    for (JsonElement classData : classes.getAsJsonArray()) {
+                        if (classData.isJsonObject()) {
+                            ret.add(fromJson(classData.getAsJsonObject()));
+                        }
+                    }
+                }
+            }
+        }
+        return ret;
+    }
+
+    public static int getClassDayByDayOfWeek(int dayOfWeek) {
+        return DAY_OF_WEEK_MAP.get(dayOfWeek);
+    }
+
+    static {
+        DAY_OF_WEEK_MAP.put(Calendar.SUNDAY, 6);
+        DAY_OF_WEEK_MAP.put(Calendar.MONDAY, 0);
+        DAY_OF_WEEK_MAP.put(Calendar.TUESDAY, 1);
+        DAY_OF_WEEK_MAP.put(Calendar.WEDNESDAY, 2);
+        DAY_OF_WEEK_MAP.put(Calendar.THURSDAY, 3);
+        DAY_OF_WEEK_MAP.put(Calendar.FRIDAY, 4);
+        DAY_OF_WEEK_MAP.put(Calendar.SATURDAY, 5);
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/OUCFragment.java

@@ -0,0 +1,385 @@
+package cn.nahco3awa.naouc.ui.ouc;
+
+import static android.content.Context.MODE_PRIVATE;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.PorterDuff;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.journeyapps.barcodescanner.BarcodeEncoder;
+
+import java.io.IOException;
+import java.util.Locale;
+import java.util.Random;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.databinding.FragmentOucBinding;
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.network.ouc.request.GetBarCodePayOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetCardAccInfoOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetInfoByTokenOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.NetCheckOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.TsmOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiAccUseHzWatchRequest;
+import cn.nahco3awa.naouc.network.ouc.response.GetBarCodePayOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetCardAccInfoOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetInfoByTokenOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+import cn.nahco3awa.naouc.network.ouc.response.TsmOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiAccUseHzWatchResponse;
+import cn.nahco3awa.naouc.ui.ouc.activity.OucBalanceActivity;
+import cn.nahco3awa.naouc.ui.ouc.activity.OucLoginMainActivity;
+import cn.nahco3awa.naouc.ui.ouc.activity.OucNetActivity;
+import cn.nahco3awa.naouc.ui.ouc.activity.OucWaterActivity;
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.Response;
+
+public class OUCFragment extends Fragment {
+    private SharedPreferences preferences;
+    private FragmentOucBinding binding;
+    private String sourceType = null;
+    private Button loginButton;
+    private TextView welcomeTextView;
+    private ActivityResultLauncher<Intent> loginLauncher;
+    private ImageView barcodeImageView;
+    private ImageView qrCodeImageView;
+    private TextView balanceTextView;
+    private TextView netBalanceTextView;
+    private TextView waterAvailableTextView;
+    private ImageView netBalanceImageView;
+
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        binding = FragmentOucBinding.inflate(inflater, container, false);
+        View root = binding.getRoot();
+        Context context = root.getContext();
+
+        preferences = context.getSharedPreferences("ouc", MODE_PRIVATE);
+        if (!preferences.contains("imei")) {
+            StringBuilder stringBuilder = new StringBuilder();
+            Random random = new Random();
+            for (int i = 0; i < 32; i++) {
+                stringBuilder.append(random.nextInt(10));
+            }
+            preferences.edit()
+                    .putString("imei", stringBuilder.toString())
+                    .apply();
+        }
+        OUCRequestSender.init(preferences.getString("imei", "1145141919810deadbeef52013149922"));
+
+        loginLauncher = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(), result -> {
+            if (result.getResultCode() == Activity.RESULT_OK) {
+                refreshLogonState();
+            }
+        });
+
+        loginButton = root.findViewById(R.id.oucMainLoginButton);
+        welcomeTextView = root.findViewById(R.id.oucMainWelcomeTextView);
+        barcodeImageView = root.findViewById(R.id.oucBarcodeImageView);
+        qrCodeImageView = root.findViewById(R.id.qrCodeImageView);
+        balanceTextView = root.findViewById(R.id.balanceTextView);
+        netBalanceTextView = root.findViewById(R.id.netBalanceTextView);
+        netBalanceImageView = root.findViewById(R.id.netImage);
+        waterAvailableTextView = root.findViewById(R.id.waterBalanceTextView);
+
+        loginButton.setOnClickListener(this::onClickLogin);
+        welcomeTextView.setOnClickListener(this::onClickWelcomeText);
+        barcodeImageView.setOnClickListener(this::onClickRefreshPayCode);
+        qrCodeImageView.setOnClickListener(this::onClickRefreshPayCode);
+        root.findViewById(R.id.cashButton).setOnClickListener(this::onClickBalance);
+        root.findViewById(R.id.netButton).setOnClickListener(this::onClickNet);
+        root.findViewById(R.id.waterButton).setOnClickListener(this::onClickWater);
+
+        refreshLogonState();
+
+        return root;
+    }
+
+    private GetInfoByTokenOUCResponse infoResponse = null;
+
+    public void refreshLogonState() {
+        if (isLogon()) {
+            loginButton.setText("登出");
+            sourceType = preferences.getString("source_ticket", "");
+            OUCRequestSender.getInstance().setSourceTypeTicket(sourceType);
+            OUCRequestSender.getInstance().getInfoByToken(new GetInfoByTokenOUCRequest(OUCRequestSender.getInstance().getImeiTicket(), sourceType, sourceType), new OUCCallback<>() {
+                @Override
+                public void onSuccess(GetInfoByTokenOUCResponse response) {
+                    infoResponse = response;
+                    requireActivity().runOnUiThread(() -> {
+                        refreshWelcomeText();
+                        refreshPayCode();
+                        refreshBalance();
+                        refreshNetBalance();
+                        refreshAvailableWater();
+                    });
+                }
+
+                @Override
+                public void onFailure(Throwable e) {
+                    requireActivity().runOnUiThread(() -> {
+                        Toast.makeText(getActivity(), "获取个人信息失败！", Toast.LENGTH_SHORT).show();
+                        welcomeTextView.setText("可能需要重新登录？");
+                        if (e.getMessage() != null && e.getMessage().equals("令牌失效")) {
+                            preferences.edit()
+                                    .putBoolean("logon", false)
+                                    .apply();
+                            refreshLogonState();
+                        }
+                    });
+                }
+            });
+        } else {
+            loginButton.setText("登录");
+            welcomeTextView.setText("尚未登录");
+        }
+    }
+
+    private void onClickRefreshPayCode(View view) {
+        if (isLogon() && infoResponse != null) {
+            refreshPayCode();
+            refreshBalance();
+            refreshNetBalance();
+            refreshAvailableWater();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        refreshLogonState();
+    }
+
+    private void refreshAvailableWater() {
+        waterAvailableTextView.setText("...");
+        OUCRequestSender.getInstance().waterApiAccUseHzWatch(new WaterApiAccUseHzWatchRequest(infoResponse.getAccount()), new OUCCallback<>() {
+            @Override
+            public void onSuccess(WaterApiAccUseHzWatchResponse response) {
+                requireActivity().runOnUiThread(() -> waterAvailableTextView.setText(response.getData().size() + " 可用"));
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                requireActivity().runOnUiThread(() -> waterAvailableTextView.setText("获取失败"));
+            }
+        });
+    }
+
+    private void refreshNetBalance() {
+        netBalanceTextView.setText("...");
+        if (OUCRequestSender.getInstance().getjSessionId().isEmpty()) {
+            OUCRequestSender.getInstance().sendRequest(new NetCheckOUCRequest(), new Callback() {
+                @Override
+                public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                    requireActivity().runOnUiThread(() -> netBalanceTextView.setText("获取失败"));
+                }
+
+                @Override
+                public void onResponse(@NonNull Call call, @NonNull Response response) {
+                    refreshNetByTsm();
+                }
+            });
+        } else {
+            refreshNetByTsm();
+        }
+    }
+
+    private void refreshNetByTsm() {
+        String account = infoResponse.getAccount();
+        OUCRequestSender.getInstance().tsm(new TsmOUCRequest(account, infoResponse.getSno()), new OUCCallback<>() {
+            @Override
+            public void onSuccess(TsmOUCResponse response) {
+                requireActivity().runOnUiThread(() -> {
+                    int redColor = 0xFFF44336;
+                    if (response.isFrozen()) {
+                        netBalanceTextView.setText("停机");
+                        netBalanceImageView.setColorFilter(redColor, PorterDuff.Mode.MULTIPLY);
+                    } else {
+                        netBalanceTextView.setText(String.format(Locale.SIMPLIFIED_CHINESE, "%.2f", response.getBalance()));
+                        netBalanceImageView.setColorFilter(null);
+                    }
+                });
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                requireActivity().runOnUiThread(() -> {
+                    netBalanceTextView.setText("获取失败");
+                    new androidx.appcompat.app.AlertDialog.Builder(requireActivity())
+                            .setTitle("网费详情获取失败")
+                            .setMessage(e.getMessage())
+                            .show();
+                });
+            }
+        });
+    }
+
+    private void refreshBalance() {
+        String account = infoResponse.getAccount();
+        balanceTextView.setText("...");
+        OUCRequestSender.getInstance().getCardAccInfo(new GetCardAccInfoOUCRequest(account), new OUCCallback<>() {
+            @Override
+            public void onSuccess(GetCardAccInfoOUCResponse response) {
+                requireActivity().runOnUiThread(() -> balanceTextView.setText(String.format(Locale.SIMPLIFIED_CHINESE, "%.2f", response.getBalance() / 100.0)));
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                requireActivity().runOnUiThread(() -> balanceTextView.setText("获取失败"));
+            }
+        });
+    }
+
+    private void refreshPayCode() {
+        String account = infoResponse.getAccount();
+
+        try {
+            GetBarCodePayOUCRequest getBarCodePayOUCRequest = new GetBarCodePayOUCRequest(account, "1", OUCRequestSender.getInstance().getImeiTicket(), OUCRequestSender.getInstance().getSourceTypeTicket());
+            OUCRequestSender.getInstance().getBarCodePay(getBarCodePayOUCRequest, new OUCCallback<>() {
+                @Override
+                public void onSuccess(GetBarCodePayOUCResponse response) {
+                    try {
+                        requireActivity().runOnUiThread(() -> {
+                            try {
+                                BarcodeFormat barcodeFormat = BarcodeFormat.CODE_128;
+                                BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
+                                BitMatrix bitMatrix = barcodeEncoder.encode(response.getBarcode()[0], barcodeFormat, barcodeImageView.getWidth(), barcodeImageView.getHeight());
+                                Bitmap barcodeBitmap = barcodeEncoder.createBitmap(bitMatrix);
+                                barcodeImageView.setImageBitmap(barcodeBitmap);
+
+                                bitMatrix = barcodeEncoder.encode(response.getBarcode()[0], BarcodeFormat.QR_CODE, qrCodeImageView.getWidth(), qrCodeImageView.getHeight());
+                                Bitmap qrBitmap = barcodeEncoder.createBitmap(bitMatrix);
+                                qrCodeImageView.setImageBitmap(qrBitmap);
+                            } catch (WriterException e) {
+                                requireActivity().runOnUiThread(() -> new AlertDialog.Builder(requireActivity())
+                                        .setTitle("显示支付码错误！")
+                                        .setMessage(e.getMessage())
+                                        .setNegativeButton("蒿", null)
+                                        .show());
+                            }
+
+                        });
+                    } catch (Exception e) {
+                        requireActivity().runOnUiThread(() -> new AlertDialog.Builder(requireActivity())
+                                .setTitle("显示支付码错误！")
+                                .setMessage(e.getMessage())
+                                .setNegativeButton("蒿", null)
+                                .show());
+                    }
+                }
+
+                @Override
+                public void onFailure(Throwable e) {
+                    requireActivity().runOnUiThread(() -> new AlertDialog.Builder(requireActivity())
+                            .setTitle("获取支付码错误！")
+                            .setMessage(e.getMessage())
+                            .setNegativeButton("蒿", null)
+                            .show());
+                }
+            });
+        } catch (Exception e) {
+            requireActivity().runOnUiThread(() -> new AlertDialog.Builder(requireActivity())
+                    .setTitle("获取支付码错误！")
+                    .setMessage(e.getMessage())
+                    .setNegativeButton("蒿", null)
+                    .show());
+        }
+    }
+
+    private void onClickWater(View view) {
+        if (isLogon() && infoResponse != null) {
+            Intent intent = new Intent(getActivity(), OucWaterActivity.class);
+            intent.putExtra("account", infoResponse.getAccount());
+            startActivity(intent);
+        }
+    }
+
+    private void onClickBalance(View view) {
+        if (isLogon() && infoResponse != null) {
+            Intent intent = new Intent(getActivity(), OucBalanceActivity.class);
+            intent.putExtra("account", infoResponse.getAccount());
+            startActivity(intent);
+        }
+    }
+
+    private void onClickNet(View view) {
+        if (isLogon() && infoResponse != null) {
+            Intent intent = new Intent(getActivity(), OucNetActivity.class);
+            intent.putExtra("account", infoResponse.getAccount());
+            intent.putExtra("sno", infoResponse.getSno());
+            startActivity(intent);
+        }
+    }
+
+    private void refreshWelcomeText() {
+        if (isLogon()) {
+            welcomeTextView.setText("欢迎回来，" + getName() + "~");
+        } else {
+            welcomeTextView.setText("尚未登录");
+        }
+    }
+
+    private String getName() {
+        return preferences.getString("nickname", infoResponse == null ? "" : infoResponse.getName());
+    }
+
+    public boolean isLogon() {
+        return preferences.getBoolean("logon",false);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+
+    public void onClickLogin(View view) {
+        if (isLogon()) {
+            preferences.edit()
+                    .putBoolean("logon", false)
+                    .apply();
+            refreshLogonState();
+        } else {
+            loginLauncher.launch(new Intent(getActivity(), OucLoginMainActivity.class));
+        }
+    }
+
+    private void onClickWelcomeText(View view) {
+        EditText editText = new EditText(requireContext());
+        editText.setHint("输出昵称...");
+        String nick = preferences.getString("nickname", infoResponse == null ? "" : infoResponse.getName());
+        editText.setText(nick);
+        new androidx.appcompat.app.AlertDialog.Builder(requireActivity())
+                .setTitle("设置昵称：")
+                .setView(editText)
+                .setNegativeButton("取消", null)
+                .setPositiveButton("应用", (dialogInterface, i) -> {
+                    preferences.edit()
+                            .putString("nickname", editText.getText().toString())
+                            .apply();
+                    refreshWelcomeText();
+                })
+                .show();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/activity/OucBalanceActivity.java

@@ -0,0 +1,123 @@
+package cn.nahco3awa.naouc.ui.ouc.activity;
+
+import static android.view.View.INVISIBLE;
+import static android.view.View.VISIBLE;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.text.InputType;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+import java.util.Locale;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.network.ouc.request.AccountPayAliPayOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetCardAccInfoOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetMyBillOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.response.AccountPayOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetCardAccInfoOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetMyBillOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+import cn.nahco3awa.naouc.ui.ouc.view.ItemMyBillAdapter;
+
+public class OucBalanceActivity extends AppCompatActivity {
+    private String account;
+    private TextView balanceTextView;
+    private RecyclerView myBillView;
+    private ItemMyBillAdapter adapt = new ItemMyBillAdapter(new ArrayList<>());
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_ouc_balance);
+
+        Intent intent = getIntent();
+        account = intent.getStringExtra("account");
+
+        balanceTextView = findViewById(R.id.balanceBigTextView);
+
+        myBillView = findViewById(R.id.myBillListView);
+        myBillView.setVisibility(INVISIBLE);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
+        layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
+        myBillView.setLayoutManager(layoutManager);
+        myBillView.setAdapter(adapt);
+
+        refreshBalance();
+        refreshMyBill();
+    }
+
+    private void refreshMyBill() {
+        myBillView.setVisibility(INVISIBLE);
+        OUCRequestSender.getInstance().getMyBill(new GetMyBillOUCRequest(account, 1), new OUCCallback<>() {
+            @Override
+            public void onSuccess(GetMyBillOUCResponse response) {
+                runOnUiThread(() -> {
+                    adapt = new ItemMyBillAdapter(response.getBillData());
+                    myBillView.setAdapter(adapt);
+                    myBillView.setVisibility(VISIBLE);
+                });
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                myBillView.setVisibility(INVISIBLE);
+            }
+        });
+    }
+
+    private void refreshBalance() {
+        OUCRequestSender.getInstance().getCardAccInfo(new GetCardAccInfoOUCRequest(account), new OUCCallback<>() {
+            @Override
+            public void onSuccess(GetCardAccInfoOUCResponse response) {
+                runOnUiThread(() -> balanceTextView.setText(String.format(Locale.SIMPLIFIED_CHINESE, "%.2f", response.getBalance() / 100.0)));
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                runOnUiThread(() -> Toast.makeText(OucBalanceActivity.this, "获取余额失败！", Toast.LENGTH_SHORT).show());
+            }
+        });
+    }
+
+    public void onClickPay(View view) {
+        EditText editText = new EditText(this);
+        editText.setHint("请输入金额...");
+        editText.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL);
+        new AlertDialog.Builder(this)
+                .setTitle("充值")
+                .setView(editText)
+                .setNegativeButton("取消", null)
+                .setPositiveButton("充值", (dialogInterface, i) -> {
+                    String amountString = editText.getText().toString();
+                    double amount = Double.parseDouble(amountString) * 100;
+                    String parsedAmount = String.valueOf((int)amount);
+                    OUCRequestSender.getInstance().accountPayAlipay(new AccountPayAliPayOUCRequest(account, parsedAmount), new OUCCallback<>() {
+                        @Override
+                        public void onSuccess(AccountPayOUCResponse response) {
+                            runOnUiThread(() -> {
+                                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(response.getUrl()));
+                                startActivity(intent);
+                            });
+                        }
+
+                        @Override
+                        public void onFailure(Throwable e) {
+                            runOnUiThread(() -> Toast.makeText(OucBalanceActivity.this, "下单失败！", Toast.LENGTH_SHORT).show());
+                        }
+                    });
+                })
+                .show();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/activity/OucLoginMainActivity.java

@@ -0,0 +1,172 @@
+package cn.nahco3awa.naouc.ui.ouc.activity;
+
+import static android.widget.Toast.LENGTH_SHORT;
+
+import android.app.Activity;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.math.BigInteger;
+import java.nio.charset.StandardCharsets;
+import java.security.KeyFactory;
+import java.security.PublicKey;
+import java.security.spec.RSAPublicKeySpec;
+
+import javax.crypto.Cipher;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.network.ouc.request.GetRsaOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.GetValidateCodeOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.LoginOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.response.GetRsaKeyOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.GetValidateCodeOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.LoginOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+
+public class OucLoginMainActivity extends AppCompatActivity {
+
+    private SharedPreferences preferences;
+    private EditText snoEdit;
+    private EditText passwordEdit;
+    private EditText ysmEdit;
+    private CheckBox rememberCheck;
+    private ImageView ysmImageView;
+    private Button loginButton;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_ouc_login_main);
+
+        snoEdit = findViewById(R.id.editTextOucSno);
+        passwordEdit = findViewById(R.id.editTextOucPassword);
+        ysmEdit = findViewById(R.id.editTextOucYsm);
+        rememberCheck = findViewById(R.id.checkBoxOucRemember);
+        ysmImageView = findViewById(R.id.oucYsmImageView);
+        loginButton = findViewById(R.id.buttonOucLogin);
+
+        preferences = getSharedPreferences("ouc", MODE_PRIVATE);
+        if (preferences.getBoolean("mem", false)) {
+            snoEdit.setText(preferences.getString("mem_sno", ""));
+            passwordEdit.setText(preferences.getString("mem_pwd", ""));
+            rememberCheck.setChecked(true);
+        }
+
+        getLoginNeeds();
+    }
+
+    private void getLoginNeeds() {
+        loginButton.setEnabled(false);
+        refreshYsmCode();
+    }
+
+    private void refreshYsmCode() {
+        OUCRequestSender.getInstance().getValidateCode(new GetValidateCodeOUCRequest(System.currentTimeMillis() + 1000 * 60 * 5), new OUCCallback<>() {
+            @Override
+            public void onSuccess(GetValidateCodeOUCResponse response) {
+                runOnUiThread(() -> {
+                    ysmImageView.setImageBitmap(response.getImage());
+                    loginButton.setEnabled(true);
+                });
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                runOnUiThread(() -> {
+                    Toast.makeText(OucLoginMainActivity.this, "网络连接有点问题，请重试", LENGTH_SHORT).show();
+                    new AlertDialog.Builder(OucLoginMainActivity.this)
+                            .setTitle("错误")
+                            .setMessage("网络错误：\n" + e.getMessage())
+                            .setNegativeButton("好", null)
+                            .show();
+                });
+
+            }
+        });
+    }
+
+    private void onLoginFailed(Throwable e) {
+        new AlertDialog.Builder(this)
+                .setTitle("登录失败……")
+                .setMessage("中国海洋大学门户登录失败，请稍后再试。\n" + e.getMessage())
+                .setNegativeButton("好", null)
+                .show();
+        refreshYsmCode();
+    }
+
+    public void onClickLogin(View view) {
+        loginButton.setEnabled(false);
+        OUCRequestSender.getInstance().getRsaKey(new GetRsaOUCRequest(), new OUCCallback<>() {
+            @Override
+            public void onSuccess(GetRsaKeyOUCResponse response) {
+                try {
+                    String pwd = passwordEdit.getText().toString();
+                    BigInteger bigExpo = new BigInteger(response.getE(), 16);
+                    BigInteger bigModulus = new BigInteger(response.getMod(), 16);
+                    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(bigModulus, bigExpo);
+                    KeyFactory factory = KeyFactory.getInstance("RSA");
+                    PublicKey publicKey = factory.generatePublic(keySpec);
+                    Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
+                    cipher.init(Cipher.ENCRYPT_MODE, publicKey);
+                    byte[] light = pwd.getBytes(StandardCharsets.UTF_8);
+                    byte[] encrypted = cipher.doFinal(light);
+                    StringBuilder builder = new StringBuilder(encrypted.length * 2);
+                    for (byte b : encrypted) {
+                        String hexB = Integer.toHexString(b & 0xFF);
+                        if (hexB.length() == 1) {
+                            hexB = "0" + hexB;
+                        }
+                        builder.append(hexB);
+                    }
+                    String encryptedHex = builder.toString();
+                    OUCRequestSender.getInstance().login(new LoginOUCRequest(snoEdit.getText().toString(), encryptedHex, rememberCheck.isChecked(), "8898", ysmEdit.getText().toString(), response.getMsg()), new OUCCallback<>() {
+                        @Override
+                        public void onSuccess(LoginOUCResponse loginResponse) {
+                            runOnUiThread(() -> {
+                                if (rememberCheck.isChecked()) {
+                                    preferences.edit()
+                                            .putString("mem_sno", loginResponse.getSno())
+                                            .putString("mem_pwd", pwd)
+                                            .apply();
+                                }
+                                preferences.edit()
+                                        .putString("source_ticket", loginResponse.getRescouseType())
+                                        .putBoolean("mem", rememberCheck.isChecked())
+                                        .putBoolean("logon", true)
+                                        .putString("sno", loginResponse.getSno())
+                                        .apply();
+                                String name = preferences.getString("nickname", loginResponse.getName());
+                                Toast.makeText(OucLoginMainActivity.this, name + "，欢迎回来~", LENGTH_SHORT).show();
+                                setResult(Activity.RESULT_OK);
+                                finish();
+                            });
+                        }
+
+                        @Override
+                        public void onFailure(Throwable e) {
+                            runOnUiThread(() -> OucLoginMainActivity.this.onLoginFailed(e));
+                        }
+                    });
+                } catch (Exception e) {
+                    runOnUiThread(() -> OucLoginMainActivity.this.onLoginFailed(e));
+                    Log.e("OUCLogin", "Login failed", e);
+                }
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                runOnUiThread(() -> OucLoginMainActivity.this.onLoginFailed(e));
+            }
+        });
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/activity/OucNetActivity.java

@@ -0,0 +1,195 @@
+package cn.nahco3awa.naouc.ui.ouc.activity;
+
+import static android.widget.Toast.LENGTH_SHORT;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.net.Uri;
+import android.net.wifi.WifiManager;
+import android.os.Bundle;
+import android.text.InputType;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import java.io.IOException;
+import java.util.Locale;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.network.ouc.request.NetGdcOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.request.TsmOUCRequest;
+import cn.nahco3awa.naouc.network.ouc.response.NetGdcOUCResponse;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+import cn.nahco3awa.naouc.network.ouc.response.TsmOUCResponse;
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class OucNetActivity extends AppCompatActivity {
+    private TextView netStatusTextView;
+    private TextView netBalanceTextView;
+    private String account;
+    private String sno;
+    private SharedPreferences preferences;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_ouc_net);
+        Intent intent = getIntent();
+        account = intent.getStringExtra("account");
+        sno = intent.getStringExtra("sno");
+        netStatusTextView = findViewById(R.id.netStatusTextView);
+        netBalanceTextView = findViewById(R.id.netBalanceBigTextView);
+        refreshBalance();
+        preferences = getSharedPreferences("net", MODE_PRIVATE);
+    }
+
+    private void refreshBalance() {
+        OUCRequestSender.getInstance().tsm(new TsmOUCRequest(account, sno), new OUCCallback<>() {
+            @Override
+            public void onSuccess(TsmOUCResponse response) {
+                runOnUiThread(() -> {
+                    netBalanceTextView.setText(String.format(Locale.SIMPLIFIED_CHINESE, "%.2f", response.getBalance()));
+                    netStatusTextView.setText(response.isFrozen() ? "校园网停机" : "校园网余额");
+                    if (response.isFrozen()) netStatusTextView.setTextColor(0xFFF44336);
+                });
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                runOnUiThread(() -> {
+                    netStatusTextView.setText("查询失败");
+                    netBalanceTextView.setText("");
+                });
+            }
+        });
+    }
+
+    public void onClickPay(View view) {
+        EditText editText = new EditText(this);
+        editText.setHint("请输入金额（元）：");
+        editText.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL);
+        new AlertDialog.Builder(this)
+                .setTitle("网费缴纳")
+                .setView(editText)
+                .setNegativeButton("取消", null)
+                .setPositiveButton("缴纳", (dialog, which) -> {
+                    String amountString = editText.getText().toString();
+                    double amount = Double.parseDouble(amountString) * 100;
+                    OUCRequestSender.getInstance().netGdc(new NetGdcOUCRequest(account, sno, (int) amount), new OUCCallback<>() {
+                        @Override
+                        public void onSuccess(NetGdcOUCResponse response) {
+                            runOnUiThread(() -> {
+                                if (response.getRetCode() == 0) {
+                                    Toast.makeText(OucNetActivity.this, "缴费成功~", LENGTH_SHORT).show();
+                                    refreshBalance();
+                                } else {
+                                    Toast.makeText(OucNetActivity.this, "缴费失败：" + response.getErrMessage(), LENGTH_SHORT).show();
+                                }
+                            });
+                        }
+
+                        @Override
+                        public void onFailure(Throwable e) {
+                            runOnUiThread(() -> Toast.makeText(OucNetActivity.this, "缴费失败！", LENGTH_SHORT).show());
+                        }
+                    });
+                })
+                .show();
+    }
+
+    public void onClickLogin(View view) {
+        String password = preferences.getString("password", "");
+        if (password.isEmpty()) {
+            EditText editText = new EditText(this);
+            editText.setHint("请输入校园网密码...");
+            editText.setAutofillHints(View.AUTOFILL_HINT_PASSWORD);
+            editText.setInputType(InputType.TYPE_TEXT_VARIATION_PASSWORD);
+            new AlertDialog.Builder(this)
+                    .setTitle("校园网认证")
+                    .setView(editText)
+                    .setNegativeButton("登录", (dialogInterface, i) -> {
+                        preferences.edit()
+                                .putString("password", editText.getText().toString())
+                                .apply();
+                        onClickLogin(null);
+                    })
+                    .show();
+            return;
+        }
+        WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(WIFI_SERVICE);
+        int iip = wifiManager.getConnectionInfo().getIpAddress();
+        String ip = String.format(
+                Locale.SIMPLIFIED_CHINESE,
+                "%d.%d.%d.%d",
+                (iip & 0xff),
+                (iip >> 8 & 0xff),
+                (iip >> 16 & 0xff),
+                (iip >> 24 & 0xff)
+        );
+        OkHttpClient client = new OkHttpClient();
+        var request = new Request.Builder()
+                .url(String.format(
+                        Locale.SIMPLIFIED_CHINESE,
+                        "https://wxrz.ouc.edu.cn:802/eportal/portal/login?&callback=dr1003&login_method=1&user_account=%s&user_password=%s&wlan_user_ip=%s&wlan_user_ipv6=&wlan_user_mac=000000000000&wlan_ac_ip=&wlan_ac_name=&jsVersion=4.1&terminal_type=1&lang=zh-cn&v=3288&lang=zh",
+                        sno, password, ip
+                ))
+                .get()
+                .build();
+        client.newCall(request).enqueue(new Callback() {
+            @Override
+            public void onFailure(@NonNull Call call, @NonNull IOException e) {
+                Toast.makeText(OucNetActivity.this, "登录失败，请检查校园网连接！", LENGTH_SHORT).show();
+            }
+
+            @Override
+            public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
+                var resp = response.body().string();
+
+                if (!resp.startsWith("dr1003(") || !resp.endsWith(");")) {
+                    Toast.makeText(OucNetActivity.this, "登录失败，响应异常！", LENGTH_SHORT).show();
+                    return;
+                }
+
+                resp = resp.substring(7, resp.length() - 2);
+                JsonObject jsonObject = JsonParser.parseString(resp).getAsJsonObject();
+
+                int result = jsonObject.get("result").getAsInt();
+                String msg = jsonObject.get("msg").getAsString();
+                if (result == 1) {
+                    Toast.makeText(OucNetActivity.this, "校园网登录成功~", LENGTH_SHORT).show();
+                    return;
+                }
+
+                int code = jsonObject.get("ret_code").getAsInt();
+                if (code == 2) {
+                    Toast.makeText(OucNetActivity.this, "您已经在线啦~", LENGTH_SHORT).show();
+                    return;
+                }
+
+                new AlertDialog.Builder(OucNetActivity.this)
+                        .setTitle("校园网登录失败...")
+                        .setMessage(msg)
+                        .setNegativeButton("好吧", null)
+                        .setPositiveButton("再试一次", (dialogInterface, i) -> onClickLogin(null))
+                        .show();
+            }
+        });
+    }
+
+    public void onClickOfficial(View view) {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://222.195.158.36/Self/"));
+        startActivity(intent);
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/activity/OucWaterActivity.java

@@ -0,0 +1,74 @@
+package cn.nahco3awa.naouc.ui.ouc.activity;
+
+import static android.view.View.INVISIBLE;
+import static android.view.View.VISIBLE;
+import static android.widget.Toast.LENGTH_SHORT;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiAccUseHzWatchRequest;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiAccUseHzWatchResponse;
+import cn.nahco3awa.naouc.ui.ouc.view.ItemWaterAdapter;
+
+public class OucWaterActivity extends AppCompatActivity {
+    private String account = null;
+    private RecyclerView waterListView;
+    private ItemWaterAdapter adapter;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_ouc_water);
+
+        Intent intent = getIntent();
+        account = intent.getStringExtra("account");
+        adapter = new ItemWaterAdapter(new ArrayList<>(), account, this);
+
+        waterListView = findViewById(R.id.waterListView);
+        waterListView.setVisibility(INVISIBLE);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
+        layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
+        waterListView.setLayoutManager(layoutManager);
+        waterListView.setAdapter(adapter);
+
+        refreshWaterList();
+    }
+
+    private void refreshWaterList() {
+        waterListView.setVisibility(INVISIBLE);
+        OUCRequestSender.getInstance().waterApiAccUseHzWatch(new WaterApiAccUseHzWatchRequest(account), new OUCCallback<>() {
+            @Override
+            public void onSuccess(WaterApiAccUseHzWatchResponse response) {
+                runOnUiThread(() -> {
+                    adapter = new ItemWaterAdapter(response.getData(), account, OucWaterActivity.this);
+                    waterListView.setAdapter(adapter);
+                    waterListView.setVisibility(VISIBLE);
+                });
+            }
+
+            @Override
+            public void onFailure(Throwable e) {
+                runOnUiThread(() -> {
+                    waterListView.setVisibility(INVISIBLE);
+                    Toast.makeText(OucWaterActivity.this, "刷新列表失败：" + e.getMessage(), LENGTH_SHORT).show();
+                });
+            }
+        });
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        refreshWaterList();
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/view/ItemMyBillAdapter.java

@@ -0,0 +1,96 @@
+package cn.nahco3awa.naouc.ui.ouc.view;
+
+import android.graphics.PorterDuff;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+import java.util.Locale;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.network.ouc.response.data.SingleBillData;
+
+public class ItemMyBillAdapter extends RecyclerView.Adapter<ItemMyBillAdapter.ViewHolder> {
+    private final List<SingleBillData> billData;
+
+    public ItemMyBillAdapter(List<SingleBillData> billData) {
+        this.billData = billData;
+    }
+
+    @NonNull @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.cell_my_bill, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        SingleBillData data = billData.get(position);
+        holder.setData(data);
+    }
+
+    public void addBillData(SingleBillData data) {
+        billData.add(data);
+    }
+
+    @Override
+    public int getItemCount() {
+        return billData.size();
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        private final ImageView iconImageView;
+        private final TextView tranNameTextView;
+        private final TextView mercnNameTextView;
+        private final TextView amountTextView;
+        private final TextView balanceTextView;
+        private SingleBillData data = null;
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            iconImageView = itemView.findViewById(R.id.cellMyBillImageView);
+            tranNameTextView = itemView.findViewById(R.id.cellMyBillTranNameTextView);
+            mercnNameTextView = itemView.findViewById(R.id.cellMyBillMercnNameTextView);
+            amountTextView = itemView.findViewById(R.id.cellMyBillAmountTextView);
+            balanceTextView = itemView.findViewById(R.id.cellMyBillBalanceTextView);
+
+            itemView.setOnClickListener(view -> {
+                if (data != null) {
+                    new AlertDialog.Builder(view.getContext())
+                            .setTitle("消费详情")
+                            .setMessage("订单时间：" + data.OCCTIME +
+                                    "\n生效时间：" + data.EFFECTDATE +
+                                    "\n流水金额：" + getFormat(data.TRANAMT) +
+                                    "\n账户余额：" + getFormat(data.CARDBAL) +
+                                    "\n支付地点：" + data.MERCNAME +
+                                    "\n\n" + data.JDESC)
+                            .setNegativeButton("好",null)
+                            .show();
+                }
+            });
+        }
+
+        private void setData(SingleBillData data) {
+            this.data = data;
+             float amt = data.TRANAMT;
+             int color = amt < 0 ? 0xFFF44336 : 0xFF8BC34A;
+             iconImageView.setColorFilter(color, PorterDuff.Mode.MULTIPLY);
+             amountTextView.setTextColor(color);
+             amountTextView.setText(getFormat(amt));
+             tranNameTextView.setText(data.TRANNAME);
+             mercnNameTextView.setText(data.MERCNAME);
+             balanceTextView.setText("余额：" + getFormat(data.CARDBAL));
+        }
+
+        @NonNull
+        private static String getFormat(float amt) {
+            return String.format(Locale.SIMPLIFIED_CHINESE, "%.2f", amt);
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/ouc/view/ItemWaterAdapter.java

@@ -0,0 +1,124 @@
+package cn.nahco3awa.naouc.ui.ouc.view;
+
+import static android.widget.Toast.LENGTH_SHORT;
+
+import android.app.Activity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+import java.util.Locale;
+
+import cn.nahco3awa.naouc.R;
+import cn.nahco3awa.naouc.network.ouc.OUCRequestSender;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiBookCodeCancelRequest;
+import cn.nahco3awa.naouc.network.ouc.request.WaterApiBookCodeRequest;
+import cn.nahco3awa.naouc.network.ouc.response.OUCCallback;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiBookCodeCancelResponse;
+import cn.nahco3awa.naouc.network.ouc.response.WaterApiBookCodeResponse;
+import cn.nahco3awa.naouc.network.ouc.response.data.SingleWaterHzWatchData;
+
+public class ItemWaterAdapter extends RecyclerView.Adapter<ItemWaterAdapter.ViewHolder> {
+    private final List<SingleWaterHzWatchData> data;
+    private final String account;
+    private final Activity activity;
+    public ItemWaterAdapter(List<SingleWaterHzWatchData> data, String account, Activity activity) {
+        this.data = data;
+        this.account = account;
+        this.activity = activity;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.cell_ouc_water, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        SingleWaterHzWatchData datum = data.get(position);
+        holder.setData(datum, account, activity);
+    }
+
+    @Override
+    public int getItemCount() {
+        return data.size();
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        private final TextView nameTextView;
+        private final TextView statusTextView;
+        private final TextView bookTextView;
+        private SingleWaterHzWatchData data = null;
+        private String account = null;
+        private boolean active;
+        private Activity activity;
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            active = true;
+            nameTextView = itemView.findViewById(R.id.cellOucWaterNameTextView);
+            statusTextView = itemView.findViewById(R.id.cellOucWaterStatusTextView);
+            bookTextView = itemView.findViewById(R.id.cellOucWaterBookTextView);
+
+            itemView.setOnClickListener(view -> {
+                if (data != null && active) {
+                    active = false;
+                    if (data.Actkind() == 0) {
+                        // 预约请求
+                        OUCRequestSender.getInstance().waterApiBookCode(new WaterApiBookCodeRequest(account, data.ClassNo()), new OUCCallback<>() {
+                            @Override
+                            public void onSuccess(WaterApiBookCodeResponse response) {
+                                activity.runOnUiThread(() -> {
+                                    data.setActkind(1);
+                                    data.setBookCode(response.getBookCode());
+                                    setData(data, account, activity);
+                                });
+                            }
+
+                            @Override
+                            public void onFailure(Throwable e) {
+                                activity.runOnUiThread(() -> Toast.makeText(view.getContext(), "预约失败", LENGTH_SHORT).show());
+                            }
+                        });
+                    } else {
+                        // 取消预约
+                        OUCRequestSender.getInstance().waterApiBookCodeCancel(new WaterApiBookCodeCancelRequest(account, data.ClassNo()), new OUCCallback<>() {
+                            @Override
+                            public void onSuccess(WaterApiBookCodeCancelResponse response) {
+                                activity.runOnUiThread(() -> {
+                                    data.setActkind(0);
+                                    data.setBookCode("");
+                                    setData(data, account, activity);
+                                });
+                            }
+
+                            @Override
+                            public void onFailure(Throwable e) {
+                                activity.runOnUiThread(() -> Toast.makeText(view.getContext(), "取消预约失败", LENGTH_SHORT).show());
+                            }
+                        });
+                    }
+                }
+            });
+        }
+
+        private void setData(SingleWaterHzWatchData data, String account, Activity activity) {
+            this.account = account;
+            this.data = data;
+            this.activity = activity;
+            active = true;
+            int color = (data.Actkind() == 1 || data.UseFreeRate() <= 0) ? 0xFFF44336 : 0xFF8BC34A;
+            nameTextView.setText(data.ClassName());
+            statusTextView.setText(String.format(Locale.SIMPLIFIED_CHINESE, "%.2f", data.UseFreeRate() / 100.0f) + "% 可用");
+            bookTextView.setTextColor(color);
+            bookTextView.setText(data.Actkind() == 1 ? data.BookCode() : (data.UseFreeRate() > 0 ? "可预约" : "不可用"));
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/ui/weouc/WeOUCFragment.java

@@ -0,0 +1,41 @@
+package cn.nahco3awa.naouc.ui.weouc;
+
+import static android.content.Context.MODE_PRIVATE;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import cn.nahco3awa.naouc.databinding.FragmentWeoucBinding;
+
+public class WeOUCFragment extends Fragment {
+    private FragmentWeoucBinding binding;
+    private Activity activity;
+    private Context context;
+    private View root;
+    private SharedPreferences preferences;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        binding = FragmentWeoucBinding.inflate(inflater, container, true);
+        activity = requireActivity();
+        context = requireContext();
+        root = binding.getRoot();
+
+        preferences = context.getSharedPreferences("weouc", MODE_PRIVATE);
+
+
+        return root;
+    }
+
+
+}

app/src/main/java/cn/nahco3awa/naouc/util/QrCodeSign.java

@@ -0,0 +1,24 @@
+package cn.nahco3awa.naouc.util;
+
+import android.util.Base64;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+
+import synjones.commerce.utils.JniQrCodeSign;
+
+public class QrCodeSign {
+    private static final JniQrCodeSign jniQrCodeSign = new JniQrCodeSign();
+
+    public static String getSign(Map<?, ?> map) {
+        return jniQrCodeSign.GetSign(map);
+    }
+
+    public static String getSign(String str) {
+        return jniQrCodeSign.GetOfflineQrCode(str);
+    }
+
+    public static String getBase64(String str) {
+        return new String(Base64.decode(str, 0), StandardCharsets.UTF_8);
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/util/RSASign.java

@@ -0,0 +1,26 @@
+package cn.nahco3awa.naouc.util;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.HashMap;
+
+public class RSASign {
+    private static final String f16254a = "SHA1withRSA";
+    private static final String f16256c = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDil3PZhXSwuPZZ9M4oRARVCyvNjV6Ogw2ndE+1uIzt4SAsI5SlWwp3EL37es++FWd73lLX74h5NYxrzUo+yLPc1E0eqIw6MANPtd+mAFY+SsA2FdjJN91iNorqL+HKzYGzMn3yQ8BbiNWtX3L692smTRcVsimeeNm2/EdOAddrpQIDAQAB";
+    private static final String f16257d = "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";
+    public static String sign(HashMap<String, String> map) {
+        String str = "";
+        Object[] array = map.keySet().toArray();
+        Arrays.sort(array);
+        for (Object obj : array) {
+            str = (obj.equals("request") || obj.equals("timestamp")) ? str + obj + URLDecoder.decode(map.get(obj), StandardCharsets.UTF_8) : str + obj + map.get(obj);
+        }
+        System.out.println("sourcestr=" + str);
+        String strB = new SignUtils().getPrivateKey(str, f16257d, f16254a);
+        System.out.println("sign=" + strB);
+        return strB;
+
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/util/SignUtils.java

@@ -0,0 +1,33 @@
+package cn.nahco3awa.naouc.util;
+
+import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+
+public class SignUtils {
+    public String getPrivateKey(String data, String key, String alg) {
+        try {
+            return new String(Base64.getEncoder().encode(SignatureUtil.getPrivateSign(data.getBytes(), Base64.getDecoder().decode(key), alg)));
+        } catch (GeneralSecurityException e) {
+            return "";
+        }
+    }
+    public String sign(String s, String key, String mode) {
+        Base64.Encoder encoder = Base64.getEncoder();
+        try {
+            return new String(encoder.encode(SymmetricCryptoUtil.encrypt(s.getBytes(StandardCharsets.UTF_8), Base64.getDecoder().decode(key), mode, Cipher.ENCRYPT_MODE)));
+        } catch (NoSuchPaddingException | NoSuchAlgorithmException |
+                 InvalidAlgorithmParameterException | InvalidKeyException |
+                 IllegalBlockSizeException | BadPaddingException e) {
+            return "";
+        }
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/util/SignatureUtil.java

@@ -0,0 +1,26 @@
+package cn.nahco3awa.naouc.util;
+
+import java.security.GeneralSecurityException;
+import java.security.KeyFactory;
+import java.security.PrivateKey;
+import java.security.Signature;
+import java.security.spec.PKCS8EncodedKeySpec;
+
+public class SignatureUtil {
+    public static byte[] getPrivateSign(byte[] bs, byte[] bs2, String alg) throws GeneralSecurityException {
+        PrivateKey privateKeyA = a(bs2, alg);
+        Signature signature = Signature.getInstance(alg);
+        signature.initSign(privateKeyA);
+        signature.update(bs);
+        return signature.sign();
+    }
+
+    public static PrivateKey a(byte[] bArr, String str) throws GeneralSecurityException {
+        return KeyFactory.getInstance(a(str, "with")).generatePrivate(new PKCS8EncodedKeySpec(bArr));
+    }
+
+    public static String a(String str, String str2) {
+        int iIndexOf;
+        return (str2 == null || (iIndexOf = str.indexOf(str2)) == -1) ? "" : str.substring(iIndexOf + str2.length());
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/util/SymmetricCryptoUtil.java

@@ -0,0 +1,61 @@
+package cn.nahco3awa.naouc.util;
+
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+public class SymmetricCryptoUtil {
+    public static byte[] encrypt(byte[] data, byte[] key, String algorithm, int mode) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
+        String finalAlgorithm = algorithm + "/CBC/PKCS5Padding";
+        byte[] iv = createZeroBlock(finalAlgorithm);
+        return encrypt(key, iv, finalAlgorithm, "CBC", mode).doFinal(data);
+    }
+
+    public static Cipher encrypt(byte[] key, byte[] iv, String transformation, String algorithm, int mode) throws InvalidKeyException, InvalidAlgorithmParameterException, NoSuchPaddingException, NoSuchAlgorithmException {
+        Cipher cipher = Cipher.getInstance(transformation);
+        SecretKeySpec secretKeySpec = new SecretKeySpec(key, a(transformation, "/"));
+        if (isEquals(algorithm, "CBC")) {
+            cipher.init(mode, secretKeySpec, new IvParameterSpec(iv));
+        } else {
+            cipher.init(mode, secretKeySpec);
+        }
+        return cipher;
+    }
+
+    public static byte[] createZeroBlock(String transformation) throws NoSuchPaddingException, NoSuchAlgorithmException {
+        int blockSize = Cipher.getInstance(transformation).getBlockSize();
+        return new byte[blockSize];
+    }
+
+    public static boolean isEquals(CharSequence charSequence, CharSequence charSequence2) {
+        if (charSequence == charSequence2) {
+            return true;
+        }
+        if (charSequence == null || charSequence2 == null) {
+            return false;
+        }
+        if ((charSequence instanceof String) && (charSequence2 instanceof String)) {
+            return charSequence.equals(charSequence2);
+        }
+        return charSequence.equals(charSequence2);
+    }
+
+    public static String a(String str, String str2) {
+        if (str == null || str2 == null) {
+            return str;
+        }
+        if (str2.isEmpty()) {
+            return "";
+        }
+        int iIndexOf = str.indexOf(str2);
+        return iIndexOf == -1 ? str : str.substring(0, iIndexOf);
+    }
+
+}

app/src/main/java/cn/nahco3awa/naouc/util/passwd/BarrettMu.java

@@ -0,0 +1,56 @@
+package cn.nahco3awa.naouc.util.passwd;
+
+public class BarrettMu {
+    public BigInt modulus;
+    public int k;
+    public BigInt mu;
+    public BigInt bkplus1;
+
+    public BarrettMu(BigInt m) {
+        modulus = m.biCopy();
+        k = modulus.biHighIndex() + 1;
+        BigInt b2k = new BigInt();
+        b2k.digits[2 * k] = 1;
+        mu = BigInt.biDivide(b2k, modulus);
+        bkplus1 = new BigInt();
+        bkplus1.digits[k + 1] = 1;
+    }
+
+    public BigInt modulo(BigInt x) {
+        var q1 = BigInt.biDivideByRadixPower(x, this.k - 1);
+        var q2 = BigInt.biMultiply(q1, this.mu);
+        var q3 = BigInt.biDivideByRadixPower(q2, this.k + 1);
+        var r1 = BigInt.biModuloByRadixPower(x, this.k + 1);
+        var r2term = BigInt.biMultiply(q3, this.modulus);
+        var r2 = BigInt.biModuloByRadixPower(r2term, this.k + 1);
+        var r = BigInt.biSubtract(r1, r2);
+        if (r.isNeg) {
+            r = BigInt.biAdd(r, this.bkplus1);
+        }
+        var rgtem = BigInt.biCompare(r, this.modulus) >= 0;
+        while (rgtem) {
+            r = BigInt.biSubtract(r, this.modulus);
+            rgtem = BigInt.biCompare(r, this.modulus) >= 0;
+        }
+        return r;
+    }
+
+    public BigInt multiplyMod(BigInt x, BigInt y) {
+        var xy = BigInt.biMultiply(x, y);
+        return this.modulo(xy);
+    }
+
+    public BigInt powMod(BigInt x, BigInt y) {
+        var result = new BigInt();
+        result.digits[0] = 1;
+        var a = x;
+        var k = y;
+        while (true) {
+            if ((k.digits[0] & 1) != 0) result = this.multiplyMod(result, a);
+            k = k.biShiftRight(1);
+            if (k.digits[0] == 0 && k.biHighIndex() == 0) break;
+            a = this.multiplyMod(a, a);
+        }
+        return result;
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/util/passwd/BigInt.java

@@ -0,0 +1,444 @@
+package cn.nahco3awa.naouc.util.passwd;
+
+public class BigInt {
+    public boolean isNeg;
+    public int[] digits;
+    public static int maxDigits;
+    public static int[] zeroArray;
+    public static BigInt bigZero;
+    public static BigInt bigOne;
+    public static final int BI_RADIX = 1 << 16;
+    public static final int BI_RADIX_BASE = 2;
+    public static final int BI_RADIX_BITS = 16;
+    public static final int BI_HALF_RADIX = BI_RADIX >>> 1;
+    public static final long BI_RADIX_SQUARED = (long) BI_RADIX * BI_RADIX;
+    public static final int MAX_DIGIT_VAL = BI_RADIX - 1;
+    public static final long MAX_INTEGER = 9_999_999_999_999_998L;
+    public static final int[] LOW_BIT_MASKS = new int[] {
+            0x0000, 0x0001, 0x0003, 0x0007, 0x000F, 0x001F,
+            0x003F, 0x007F, 0x00FF, 0x01FF, 0x03FF, 0x07FF,
+            0x0FFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF
+    };
+    public static final int[] HIGH_BIT_MASKS = new int[] {
+            0x0000, 0x8000, 0xC000, 0xE000, 0xF000, 0xF800,
+            0xFC00, 0xFE00, 0xFF00, 0xFF80, 0xFFC0, 0xFFE0,
+            0xFFF0, 0xFFF8, 0xFFFC, 0xFFFE, 0xFFFF
+    };
+    public static final char[] HEX_TO_CHAR = new char[] {
+            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+            'a', 'b', 'c', 'd', 'e', 'f'
+    };
+    public static final char[] hexatrigesimalToChar = new char[] {
+            '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+            'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
+            'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+            'u', 'v', 'w', 'x', 'y', 'z'
+    };
+
+    public static void setMaxDigits(int value) {
+        maxDigits = value;
+        zeroArray = new int[maxDigits];
+        for (int i = 0; i < maxDigits; i++) {
+            zeroArray[i] = 0;
+        }
+        bigZero = new BigInt();
+        bigOne = new BigInt();
+        bigOne.digits[0] = 1;
+    }
+
+    public BigInt() {
+        digits = zeroArray.clone();
+        isNeg = false;
+    }
+
+    public BigInt(boolean flag) {
+        if (flag) {
+            digits = null;
+        } else {
+            digits = zeroArray.clone();
+        }
+        isNeg = false;
+    }
+
+    public static int charToHex(char c) {
+        int zero = 48;
+        int nine = zero + 9;
+        int lA = 97;
+        int lZ = lA + 25;
+        int bA = 65;
+        int bZ = bA + 25;
+
+        if (c >= zero && c <= nine) {
+            return c - zero;
+        } else if (c >= bA && c <= bZ) {
+            return 10 + c - bA;
+        } else if (c >= lA && c <= lZ) {
+            return 10 + c - lA;
+        } else {
+            return 0;
+        }
+    }
+
+    public static int hexToDigit(String s) {
+        int result = 0;
+        int sl = Math.min(s.length(), 4);
+        for (int i = 0; i < sl; i++) {
+            result <<= 4;
+            result |= charToHex(s.charAt(i));
+        }
+        return result;
+    }
+
+    public static BigInt biFromHex(String s) {
+        BigInt result = new BigInt();
+        int sl = s.length();
+        for (int i = sl, j = 0; i > 0; i -= 4, ++j) {
+            int ia = Math.max(i - 4, 0);
+            int ib = Math.min(i, 4);
+            result.digits[j] = hexToDigit(s.substring(Math.min(ia, ib), Math.max(ia, ib)));
+        }
+        return result;
+    }
+
+    public static BigInt biDivideByRadixPower(BigInt x, int n) {
+        var ret = new BigInt();
+        arrayCopy(x.digits, n, ret.digits, 0, ret.digits.length - n);
+        return ret;
+    }
+
+    public static BigInt biMultiply(BigInt x, BigInt y) {
+        var result = new BigInt();
+        int c;
+        var n = x.biHighIndex();
+        var t = y.biHighIndex();
+        int uv, k;
+
+        for (int i = 0; i <= t; ++i) {
+            c = 0;
+            k = i;
+            for (int j = 0; j <= n; ++j, ++k) {
+                uv = result.digits[k] + x.digits[j] * y.digits[i] + c;
+                result.digits[k] = uv & MAX_DIGIT_VAL;
+                c = uv >>> BI_RADIX_BITS;
+                //c = Math.floor(uv / biRadix);
+            }
+            result.digits[i + n + 1] = c;
+        }
+        // Someone give me a logical xor, please.
+        result.isNeg = x.isNeg != y.isNeg;
+        return result;
+    }
+
+    public static BigInt biModuloByRadixPower(BigInt x, int n) {
+        var result = new BigInt();
+        arrayCopy(x.digits, 0, result.digits, 0, n);
+        return result;
+    }
+
+    public static String biToHex(BigInt x) {
+        StringBuilder result = new StringBuilder();
+        for (var i = x.biHighIndex(); i > -1; --i) {
+            result.append(digitToHex(x.digits[i]));
+        }
+        return result.toString();
+    }
+
+
+    public static String reverseStr(String s)
+    {
+        StringBuilder result = new StringBuilder();
+        for (var i = s.length() - 1; i > -1; --i) {
+            result.append(s.charAt(i));
+        }
+        return result.toString();
+    }
+
+    private static String digitToHex(int n) {
+        var mask = 0xf;
+        StringBuilder result = new StringBuilder();
+        for (int i = 0; i < 4; ++i) {
+            result.append(HEX_TO_CHAR[n & mask]);
+            n >>>= 4;
+        }
+        return reverseStr(result.toString());
+    }
+
+    public static String biToString(BigInt x, int radix) {
+        var b = new BigInt();
+        b.digits[0] = radix;
+        var qr = biDivideModulo(x, b);
+        StringBuilder result = new StringBuilder(hexatrigesimalToChar[qr[1].digits[0]]);
+        while (biCompare(qr[0], bigZero) == 1) {
+            qr = biDivideModulo(qr[0], b);
+            // [???] digit = qr[1].digits[0];
+            result.append(hexatrigesimalToChar[qr[1].digits[0]]);
+        }
+        return (x.isNeg ? "-" : "") + reverseStr(result.toString());
+    }
+
+    public int biHighIndex() {
+        int result = digits.length - 1;
+        while (result > 0 && digits[result] == 0) -- result;
+        return result;
+    }
+
+    public BigInt biCopy() {
+        BigInt result = new BigInt(true);
+        result.digits = digits.clone();
+        result.isNeg = isNeg;
+        return result;
+    }
+
+    public static final int BITS_PER_DIGIT = 16;
+    public int biNumBits() {
+        int n = biHighIndex();
+        int d = digits[n];
+        int m = (n + 1) * BITS_PER_DIGIT;
+        int result;
+        for (result = m; result > m - BITS_PER_DIGIT; --result) {
+            if ((d & 0x8000) != 0) break;
+            d <<= 1;
+        }
+        return result;
+    }
+
+    public static BigInt biAdd(BigInt x, BigInt y) {
+        BigInt result;
+
+        if (x.isNeg != y.isNeg) {
+            y.isNeg = !y.isNeg;
+            result = biSubtract(x, y);
+            y.isNeg = !y.isNeg;
+        }
+        else {
+            result = new BigInt();
+            var c = 0;
+            int n;
+            for (var i = 0; i < x.digits.length; ++i) {
+                n = x.digits[i] + y.digits[i] + c;
+                result.digits[i] = n % BI_RADIX;
+                c = (n >= BI_RADIX) ? 1 : 0;
+            }
+            result.isNeg = x.isNeg;
+        }
+        return result;
+    }
+
+
+    public static BigInt biSubtract(BigInt x, BigInt y) {
+        BigInt result;
+        if (x.isNeg != y.isNeg) {
+            y.isNeg = !y.isNeg;
+            result = biAdd(x, y);
+            y.isNeg = !y.isNeg;
+        } else {
+            result = new BigInt();
+            int n, c;
+            c = 0;
+            for (var i = 0; i < x.digits.length; ++i) {
+                n = x.digits[i] - y.digits[i] + c;
+                result.digits[i] = n % BI_RADIX;
+                // Stupid non-conforming modulus operation.
+                if (result.digits[i] < 0) result.digits[i] += BI_RADIX;
+                c = -((n < 0) ? 1 : 0);
+            }
+            // Fix up the negative sign, if any.
+            if (c == -1) {
+                c = 0;
+                for (var i = 0; i < x.digits.length; ++i) {
+                    n = -result.digits[i] + c;
+                    result.digits[i] = n % BI_RADIX;
+                    // Stupid non-conforming modulus operation.
+                    if (result.digits[i] < 0) result.digits[i] += BI_RADIX;
+                    c = -((n < 0) ? 1 : 0);
+                }
+                // Result is opposite sign of arguments.
+                result.isNeg = !x.isNeg;
+            } else {
+                // Result is same sign.
+                result.isNeg = x.isNeg;
+            }
+        }
+        return result;
+    }
+
+    public static void arrayCopy(int[] src, int srcStart, int[] dest, int destStart, int n)
+    {
+        var m = Math.min(srcStart + n, src.length);
+        for (int i = srcStart, j = destStart; i < m; ++i, ++j) {
+            dest[j] = src[i];
+        }
+    }
+
+    public BigInt biShiftLeft(int n) {
+        int digitCount = (int) Math.floor((double) n / BITS_PER_DIGIT);
+        var result = new BigInt();
+
+        arrayCopy(digits, 0, result.digits, digitCount,
+                result.digits.length - digitCount);
+
+        var bits = n % BITS_PER_DIGIT;
+        var rightBits = BITS_PER_DIGIT - bits;
+        int i, i1;
+        for (i = result.digits.length - 1, i1 = i - 1; i > 0; --i, --i1) {
+            result.digits[i] = ((result.digits[i] << bits) & MAX_DIGIT_VAL) |
+                    ((result.digits[i1] & HIGH_BIT_MASKS[bits]) >>>
+                            (rightBits));
+        }
+        result.digits[0] = ((result.digits[i] << bits) & MAX_DIGIT_VAL);
+        result.isNeg = isNeg;
+        return result;
+    }
+
+    public static int biCompare(BigInt x, BigInt y)
+    {
+        if (x.isNeg != y.isNeg) {
+            return 1 - 2 * (x.isNeg ? 1 : 0);
+        }
+        for (var i = x.digits.length - 1; i >= 0; --i) {
+            if (x.digits[i] != y.digits[i]) {
+                if (x.isNeg) {
+                    return 1 - 2 * (x.digits[i] > y.digits[i] ? 1 : 0);
+                } else {
+                    return 1 - 2 * (x.digits[i] < y.digits[i] ? 1 : 0);
+                }
+            }
+        }
+        return 0;
+    }
+
+    public BigInt biShiftRight(int n)
+    {
+        int digitCount = (int) Math.floor((double) n / BITS_PER_DIGIT);
+        var result = new BigInt();
+        arrayCopy(digits, digitCount, result.digits, 0,
+                digits.length - digitCount);
+        var bits = n % BITS_PER_DIGIT;
+        var leftBits = BITS_PER_DIGIT - bits;
+        for (int i = 0, i1 = i + 1; i < result.digits.length - 1; ++i, ++i1) {
+            result.digits[i] = (result.digits[i] >>> bits) |
+                    ((result.digits[i1] & LOW_BIT_MASKS[bits]) << leftBits);
+        }
+        result.digits[result.digits.length - 1] >>>= bits;
+        result.isNeg = isNeg;
+        return result;
+    }
+
+    public static BigInt biMultiplyDigit(BigInt x, int y)
+    {
+        int n, c, uv;
+
+        BigInt result = new BigInt();
+        n = x.biHighIndex();
+        c = 0;
+        for (var j = 0; j <= n; ++j) {
+            uv = result.digits[j] + x.digits[j] * y + c;
+            result.digits[j] = uv & MAX_DIGIT_VAL;
+            c = uv >>> BI_RADIX_BITS;
+            //c = Math.floor(uv / biRadix);
+        }
+        result.digits[1 + n] = c;
+        return result;
+    }
+
+    public static BigInt biMultiplyByRadixPower(BigInt x, int n)
+    {
+        var result = new BigInt();
+        arrayCopy(x.digits, 0, result.digits, n, result.digits.length - n);
+        return result;
+    }
+
+    public static BigInt[] biDivideModulo(BigInt x, BigInt y) {
+        int nb = x.biNumBits();
+        int tb = y.biNumBits();
+        boolean origYIsNeg = y.isNeg;
+        BigInt q, r;
+        if (nb < tb) {
+            if (x.isNeg) {
+                q = bigOne.biCopy();
+                q.isNeg = !y.isNeg;
+                x.isNeg = false;
+                y.isNeg = false;
+                r = biSubtract(y, x);
+                // Restore signs, 'cause they're references.
+                x.isNeg = true;
+                y.isNeg = origYIsNeg;
+            } else {
+                q = new BigInt();
+                r = x.biCopy();
+            }
+            return new BigInt[]{q, r};
+        }
+
+        q = new BigInt();
+        r = x;
+
+        // Normalize Y.
+        int t = (int) (Math.ceil((double) tb / BITS_PER_DIGIT) - 1);
+        var lambda = 0;
+        while (y.digits[t] < BI_HALF_RADIX) {
+            y = y.biShiftLeft(1);
+            ++lambda;
+            ++tb;
+            t = (int) (Math.ceil((double) tb / BITS_PER_DIGIT) - 1);
+        }
+        // Shift r over to keep the quotient constant. We'll shift the
+        // remainder back at the end.
+        r = r.biShiftLeft(lambda);
+        nb += lambda; // Update the bit count for x.
+        int n = (int) (Math.ceil((double) nb / BITS_PER_DIGIT) - 1);
+
+        var b = biMultiplyByRadixPower(y, n - t);
+        while (biCompare(r, b) != -1) {
+            ++q.digits[n - t];
+            r = biSubtract(r, b);
+        }
+        for (var i = n; i > t; --i) {
+            var ri = (i >= r.digits.length) ? 0 : r.digits[i];
+            var ri1 = (i - 1 >= r.digits.length) ? 0 : r.digits[i - 1];
+            var ri2 = (i - 2 >= r.digits.length) ? 0 : r.digits[i - 2];
+            var yt = (t >= y.digits.length) ? 0 : y.digits[t];
+            var yt1 = (t - 1 >= y.digits.length) ? 0 : y.digits[t - 1];
+            if (ri == yt) {
+                q.digits[i - t - 1] = MAX_DIGIT_VAL;
+            } else {
+                q.digits[i - t - 1] = (int) Math.floor((double) (ri * BI_RADIX + ri1) / yt);
+            }
+
+            var c1 = q.digits[i - t - 1] * ((yt * BI_RADIX) + yt1);
+            var c2 = (ri * BI_RADIX_SQUARED) + (((long) ri1 * BI_RADIX) + ri2);
+            while (c1 > c2) {
+                --q.digits[i - t - 1];
+                c1 = q.digits[i - t - 1] * ((yt * BI_RADIX) | yt1);
+                c2 = ((long) ri * BI_RADIX * BI_RADIX) + (((long) ri1 * BI_RADIX) + ri2);
+            }
+
+            b = biMultiplyByRadixPower(y, i - t - 1);
+            r = biSubtract(r, biMultiplyDigit(b, q.digits[i - t - 1]));
+            if (r.isNeg) {
+                r = biAdd(r, b);
+                --q.digits[i - t - 1];
+            }
+        }
+        r = r.biShiftRight(lambda);
+        // Fiddle with the signs and stuff to make sure that 0 <= r < y.
+        q.isNeg = x.isNeg != origYIsNeg;
+        if (x.isNeg) {
+            if (origYIsNeg) {
+                q = biAdd(q, bigOne);
+            } else {
+                q = biSubtract(q, bigOne);
+            }
+            y = y.biShiftRight(lambda);
+            r = biSubtract(y, r);
+        }
+        // Check for the unbelievably stupid degenerate case of r == -0.
+        if (r.digits[0] == 0 && r.biHighIndex() == 0) r.isNeg = false;
+
+        return new BigInt[]{q, r};
+    }
+
+    public static BigInt biDivide(BigInt x, BigInt y) {
+        return biDivideModulo(x, y)[0];
+    }
+}

app/src/main/java/cn/nahco3awa/naouc/util/passwd/RSA.java

@@ -0,0 +1,94 @@
+package cn.nahco3awa.naouc.util.passwd;
+
+public class RSA {
+    public static class RSAKeyPair {
+        public BigInt e;
+        public BigInt d;
+        public BigInt m;
+        public int digitSize;
+        public int chunkSize;
+        public int radix;
+        public BarrettMu barrett;
+
+        public RSAKeyPair(String encryptionExponent, String decryptionExponent, String modulus) {
+            this.e = BigInt.biFromHex(encryptionExponent);
+            this.d = BigInt.biFromHex(decryptionExponent);
+            this.m = BigInt.biFromHex(modulus);
+
+            ////////////////////////////////// TYF
+            this.digitSize = 2 * m.biHighIndex() + 2;
+            this.chunkSize = this.digitSize - 11;
+            ////////////////////////////////// TYF
+
+            this.radix = 16;
+            this.barrett = new BarrettMu(this.m);
+        }
+    }
+    public static String encryptedString(RSAKeyPair key, String s) {
+        ////////////////////////////////// TYF
+        if (key.chunkSize > key.digitSize - 11)
+        {
+            return "Error";
+        }
+        ////////////////////////////////// TYF
+
+
+        var a = new int[s.length()];
+        var sl = s.length();
+
+        var i = 0;
+        while (i < sl) {
+            a[i] = s.charAt(i);
+            i++;
+        }
+
+        var al = a.length;
+        StringBuilder result = new StringBuilder();
+        int j, k;
+        BigInt block;
+        for (i = 0; i < al; i += key.chunkSize) {
+            block = new BigInt();
+            j = 0;
+
+            //for (k = i; k < i + key.chunkSize; ++j) {
+            //	block.digits[j] = a[k++];
+            //	block.digits[j] += a[k++] << 8;
+            //}
+
+            ////////////////////////////////// TYF
+            // Add PKCS#1 v1.5 padding
+            // 0x00 || 0x02 || PseudoRandomNonZeroBytes || 0x00 || Message
+            // Variable a before padding must be of at most digitSize-11
+            // That is for 3 marker bytes plus at least 8 random non-zero bytes
+            int x;
+            var msgLength = (i+key.chunkSize)>al ? al%key.chunkSize : key.chunkSize;
+            var paddedSize = Math.max(8, key.digitSize - 3 - msgLength);
+            // Variable b with 0x00 || 0x02 at the highest index.
+            int[] b = new int[Math.max(msgLength+1+paddedSize, key.digitSize)];
+            for (x=0; x<msgLength; x++)
+            {
+                b[x] = a[i+msgLength-1-x];
+            }
+            b[msgLength] = 0; // marker
+
+            for (x=0; x<paddedSize; x++) {
+                b[msgLength+1+x] = (int) (Math.floor(Math.random()*254) + 1); // [1,255]
+            }
+            // It can be asserted that msgLength+paddedSize == key.digitSize-3
+            b[key.digitSize-2] = 2; // marker
+            b[key.digitSize-1] = 0; // marker
+
+            for (k = 0; k < key.digitSize; ++j)
+            {
+                block.digits[j] = b[k++];
+                block.digits[j] += b[k++] << 8;
+            }
+            ////////////////////////////////// TYF
+
+            var crypt = key.barrett.powMod(block, key.e);
+            var text = key.radix == 16 ? BigInt.biToHex(crypt) : BigInt.biToString(crypt, key.radix);
+            result.append(text).append(" ");
+        }
+        return result.substring(0, Math.max(result.toString().length() - 1, 0)); // Remove last space.
+    }
+}

app/src/main/java/synjones/commerce/utils/JniQrCodeSign.java

@@ -0,0 +1,22 @@
+package synjones.commerce.utils;
+
+import java.util.Map;
+
+public class JniQrCodeSign {
+    public native String GetOfflineQrCode(String str);
+
+    public native String GetOfflineQrCodeData(String str);
+
+    public native String GetRandomNum();
+
+    /** @noinspection rawtypes*/
+    public native String GetSign(Map map);
+
+    public native String SetKeyAndSha1(String str, String str2);
+
+    public native String SetKeyAndSha1(String str, String str2, int i);
+
+    static {
+        System.loadLibrary("JniQrCodeSign");
+    }
+}

app/src/main/res/drawable-anydpi/ic_action_card.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M20,4L4,4c-1.11,0 -1.99,0.89 -1.99,2L2,18c0,1.11 0.89,2 2,2h16c1.11,0 2,-0.89 2,-2L22,6c0,-1.11 -0.89,-2 -2,-2zM20,18L4,18v-6h16v6zM20,8L4,8L4,6h16v2z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_action_coin.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM13.41,18.09L13.41,20h-2.67v-1.93c-1.71,-0.36 -3.16,-1.46 -3.27,-3.4h1.96c0.1,1.05 0.82,1.87 2.65,1.87 1.96,0 2.4,-0.98 2.4,-1.59 0,-0.83 -0.44,-1.61 -2.67,-2.14 -2.48,-0.6 -4.18,-1.62 -4.18,-3.67 0,-1.72 1.39,-2.84 3.11,-3.21L10.74,4h2.67v1.95c1.86,0.45 2.79,1.86 2.85,3.39L14.3,9.34c-0.05,-1.11 -0.64,-1.87 -2.22,-1.87 -1.5,0 -2.4,0.68 -2.4,1.64 0,0.84 0.65,1.39 2.67,1.91s4.18,1.39 4.18,3.91c-0.01,1.83 -1.38,2.83 -3.12,3.16z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_action_money.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M11.8,10.9c-2.27,-0.59 -3,-1.2 -3,-2.15 0,-1.09 1.01,-1.85 2.7,-1.85 1.78,0 2.44,0.85 2.5,2.1h2.21c-0.07,-1.72 -1.12,-3.3 -3.21,-3.81V3h-3v2.16c-1.94,0.42 -3.5,1.68 -3.5,3.61 0,2.31 1.91,3.46 4.7,4.13 2.5,0.6 3,1.48 3,2.41 0,0.69 -0.49,1.79 -2.7,1.79 -2.06,0 -2.87,-0.92 -2.98,-2.1h-2.2c0.12,2.19 1.76,3.42 3.68,3.83V21h3v-2.15c1.95,-0.37 3.5,-1.5 3.5,-3.55 0,-2.84 -2.43,-3.81 -4.7,-4.4z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_action_public.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM11,19.93c-3.95,-0.49 -7,-3.85 -7,-7.93 0,-0.62 0.08,-1.21 0.21,-1.79L9,15v1c0,1.1 0.9,2 2,2v1.93zM17.9,17.39c-0.26,-0.81 -1,-1.39 -1.9,-1.39h-1v-3c0,-0.55 -0.45,-1 -1,-1L8,12v-2h2c0.55,0 1,-0.45 1,-1L11,7h2c1.1,0 2,-0.9 2,-2v-0.41c2.93,1.19 5,4.06 5,7.41 0,2.08 -0.8,3.97 -2.1,5.39z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_action_study.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M5,13.18v4L12,21l7,-3.82v-4L12,17l-7,-3.82zM12,3L1,9l11,6 9,-4.91V17h2V9L12,3z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_action_water.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333"
+    android:alpha="0.6">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,2c-5.33,4.55 -8,8.48 -8,11.8c0,4.98 3.8,8.2 8,8.2s8,-3.22 8,-8.2C20,10.48 17.33,6.55 12,2zM7.83,14c0.37,0 0.67,0.26 0.74,0.62c0.41,2.22 2.28,2.98 3.64,2.87c0.43,-0.02 0.79,0.32 0.79,0.75c0,0.4 -0.32,0.73 -0.72,0.75c-2.13,0.13 -4.62,-1.09 -5.19,-4.12C7.01,14.42 7.37,14 7.83,14z"/>
+</vector>

app/src/main/res/drawable/ic_dashboard_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M3,13h8L11,3L3,3v10zM3,21h8v-6L3,15v6zM13,21h8L21,11h-8v10zM13,3v6h8L21,3h-8z" />
+</vector>

app/src/main/res/drawable/ic_home_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M10,20v-6h4v6h5v-8h3L12,3 2,12h3v8z" />
+</vector>