enroll app修改

comments/admin.py

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

comments/apps.py

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

comments/migrations/0001_initial.py

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+# Generated by Django 3.2.5 on 2022-04-15 14:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Comments',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('post_time', models.DateTimeField(verbose_name='发布时间')),
+                ('content', models.CharField(max_length=50, verbose_name='弹幕内容')),
+            ],
+        ),
+    ]

comments/models.py

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+from django.db import models
+
+# Create your models here.
+
+
+class Comments(models.Model):
+    post_time = models.DateTimeField(verbose_name="发布时间")
+    content = models.CharField(verbose_name="弹幕内容", max_length=50, blank=False)
+
+
+

comments/serializers.py

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+from rest_framework import serializers
+from .models import *
+
+
+class CommentsInfo(serializers.ModelSerializer):
+    class Meta:
+        model = Comments
+        fields = ['content', 'post_time']
+
+    post_time = serializers.DateTimeField(label="发布时间", required=False)
+    content = serializers.CharField(label="弹幕内容", max_length=50, required=True)
+
+    def validate_content(self, value):
+        ban = ['!', '@', '#', '$', '%', '^', '&', '*', '(', ')', "_", "-"]
+        for i in ban:
+            if i in value:
+                raise serializers.ValidationError('非法字符')
+
+        if len(value) > 50:
+            raise serializers.ValidationError("弹幕过长")
+        elif len(value) == 0:
+            raise serializers.ValidationError("输入不能为空")
+
+
+        return value

comments/tests.py

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

comments/urls.py

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+from django.contrib import admin
+from django.urls import path
+from . import views
+
+urlpatterns = [
+    path('comment/', views.comments.as_view()),
+]
+
+

comments/views.py

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+import time, datetime
+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 *
+from .serializers import CommentsInfo
+from django.utils import timezone
+# Create your views here.
+
+
+class comments(APIView):
+
+    def get(self, request):
+        data = {}
+        queryset = Comments.objects.all()
+        serializer = CommentsInfo(queryset, many=True)
+        try:
+            data['data'] = serializer.data
+        except:
+            data['msg'] = serializer.error_messages
+        if len(data['data']) == 0:
+            data['msg'] = 'error'
+            data['code'] = "40000"
+        else:
+            data['msg'] = "success"
+            data['code'] = "20000"
+        return Response(data=data)
+
+
+    def post(self, request):
+        data = {}
+        serializer = CommentsInfo(data=request.data)
+        if not serializer.is_valid(raise_exception=True):
+            data['msg'] = serializer.error_messages
+            data['code'] = "40000"
+            return Response(data=data)
+        serializer.validated_data['post_time'] = timezone.now().replace(microsecond=0)
+        serializer.save()
+        data['data'] = serializer.validated_data
+        data['msg'] = "success"
+        data['code'] = "20000"
+        return Response(data=data)
+