enroll app修改

history/admin.py

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+from django.contrib import admin
+from .models import History
+# Register your models here.
+
+admin.site.register(History)

history/apps.py

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+from django.apps import AppConfig
+
+
+class HistoryConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'history'

history/migrations/0001_initial.py

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+# Generated by Django 3.2.5 on 2022-04-15 14:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='History',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('grade', models.IntegerField(verbose_name='年份')),
+                ('name', models.CharField(max_length=30, verbose_name='事件名称')),
+                ('description', models.CharField(max_length=200, verbose_name='事件描述')),
+                ('img', models.ImageField(upload_to='', verbose_name='图片')),
+            ],
+        ),
+    ]

history/migrations/0002_alter_history_img.py

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+# Generated by Django 3.2.5 on 2022-04-15 14:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('history', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='history',
+            name='img',
+            field=models.ImageField(upload_to='image', verbose_name='图片'),
+        ),
+    ]

history/migrations/0003_alter_history_img.py

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+# Generated by Django 3.2.5 on 2022-04-15 23:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('history', '0002_alter_history_img'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='history',
+            name='img',
+            field=models.ImageField(upload_to='', verbose_name='图片'),
+        ),
+    ]

history/models.py

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+from django.db import models
+
+# Create your models here.
+
+
+class History(models.Model):
+    grade = models.IntegerField(verbose_name="年份")
+    name = models.CharField(verbose_name="事件名称", max_length=30)
+    description = models.CharField(verbose_name="事件描述", max_length=200)
+    img = models.ImageField(verbose_name="图片", upload_to="image")
+

history/serializers.py

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+from rest_framework import serializers
+from .models import *
+
+
+class HistoryInfoSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = History
+        fields = '__all__'
+    grade = serializers.CharField(label="年级", required=True)
+    name = serializers.CharField(label="事件名称", max_length=30, required=True)
+    description = serializers.CharField(label="事件描述", max_length=200, required=True)
+    img = serializers.ImageField(label="图片", required=False)
+
+    def validate_grade(self, value):
+        if not (2010 < value <= 2021):
+            raise serializers.ValidationError("不合法输入")
+        return value
+
+

history/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

history/urls.py

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+from django.contrib import admin
+from django.urls import path
+from . import views
+from django.conf.urls.static import static
+from ITShowPlatform import settings
+
+urlpatterns = [
+    path('history/', views.history.as_view()),
+]
+
+urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

history/views.py

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+import time
+from django.conf import settings
+import re
+from django.shortcuts import render
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from .models import History
+from .serializers import HistoryInfoSerializer
+# Create your views here.
+
+
+class history(APIView):
+
+    def get(self, request):
+        key = []
+        data = {"data": key}
+        for i in range(2012, 2022):
+            temp = {}
+            try:
+                works_set = History.objects.filter(grade=i)
+                if works_set:
+                    serializer = HistoryInfoSerializer(works_set, many=True)
+                    temp['grade'] = i
+                    temp['data'] = serializer.data
+                    data['data'].append(temp)
+            except Exception:
+                pass
+        if len(data['data']) == 0:
+            data['code'] = 40000
+            data['msg'] = "error"
+        else:
+            data['code'] = 20000
+            data['msg'] = 'success'
+        return Response(data=data)
+
+
+