05.课程主页面三个接口开发
0.课程主页面接口对应页面效果
1.课程类别接口开发
1.1 course/urls.py 添加路由
from django.urls import path,re_path from rest_framework.routers import DefaultRouter from . import views router = DefaultRouter() # 有根路由 router.register(r'type', views.CourseTypeViewSet) # 写路由 router.register(r'tag', views.CourseTagViewSet) router.register(r'course', views.CourseViewSet) router.register(r'sections', views.SectionsViewSet) urlpatterns = [ ] urlpatterns += router.urls # 把两个路由列表相加
1.2 course/serializers.py 写序列化器
from rest_framework import serializers from course.models import * class CourseTypeSerializer(serializers.ModelSerializer): class Meta: model = CourseType fields = '__all__'
1.3 course/views.py 添加视图函数
from django.shortcuts import render from django_filters.rest_framework import DjangoFilterBackend from rest_framework import viewsets from rest_framework.filters import OrderingFilter from rest_framework.pagination import PageNumberPagination from course.models import * from course.serializers import * class PageNum(PageNumberPagination): page_size_query_param = 'page_size' class CourseTypeViewSet(viewsets.ModelViewSet): queryset = CourseType.objects.all() serializer_class = CourseTypeSerializer
1.4 course/admin.py 注册后台管理
from django.contrib import admin from . import models admin.site.register(models.CourseType)
1.5 测试接口
- http://192.168.56.100:8888/course/type/
2.标签接口开发
2.1 course/urls.py 添加路由
router.register(r'tag', views.CourseTagViewSet)
2.2 course/serializers.py 写序列化器
from rest_framework import serializers from course.models import * class CourseTagSerializer(serializers.ModelSerializer): class Meta: model = CourseTag fields = '__all__'
2.3 course/views.py 添加视图函数
from course.models import * from course.serializers import * class CourseTagViewSet(viewsets.ModelViewSet): queryset = CourseTag.objects.all() serializer_class = CourseTagSerializer
2.4 course/admin.py 注册后台管理
from django.contrib import admin from . import models admin.site.register(models.CourseTag)
2.5 测试接口
- Http://192.168.56.100:8888/course/tag/
3.课程接口开发
3.1 course/urls.py 添加路由
from rest_framework import serializers from course.models import * class SectionsSerializer(serializers.ModelSerializer): class Meta: model = Sections fields = '__all__' class ChaptersSerializer(serializers.ModelSerializer): sections=SectionsSerializer(many=True) class Meta: model = Chapters fields = '__all__' class CourseSerializer(serializers.ModelSerializer): class Meta: model = Course fields = '__all__' class CourseDeepSerializer(CourseSerializer): # 字段名名, 必须是模型可以 . 引用到的变量 # Course(). "chapters" 才能作为字段名, 如果是集合, 需要加many=True, chapters = ChaptersSerializer(many=True)
3.3 course/views.py 添加视图函数
from django.shortcuts import render from django_filters.rest_framework import DjangoFilterBackend from rest_framework import viewsets from rest_framework.filters import OrderingFilter from rest_framework.pagination import PageNumberPagination from course.models import * from course.serializers import * class CourseViewSet(viewsets.ModelViewSet): queryset = Course.objects.all() serializer_class = CourseDeepSerializer # 指定过滤方法类, 排序方法类, 一个或多个 filter_backends = (DjangoFilterBackend, OrderingFilter) # 同时支持过滤和排序 # 指定排序字段, 不设置, 排序功能不起效 ordering_fields = ('attention', 'learner', 'create_time') # 指定过滤字段, 不设置, 过滤功能不起效 filter_fields = ('title', 'desc', 'status', 'course_type', 'course_tag') # 自定义分页器 覆盖全局配置 pagination_class = PageNum def get_serializer_class(self): if self.action == 'list': return CourseSerializer else: return CourseDeepSerializer
3.4 course/admin.py 注册后台管理
from django.contrib import admin from . import models admin.site.register(models.Course)
3.5 测试接口
- Http://192.168.56.100:8888/course/course/
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