幽灵资源网 Design By www.bzswh.com
基础视图
示例环境搭建:新建一个Django项目,连接Mysql数据库,配置路由、视图函数、序列化单独创建py文件
# 配置路由 from django.conf.urls import url from django.contrib import admin from app01 import views urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^PublishView/', views.PublishView.as_view()), url(r'^PublishDetailView/("htmlcode"># 视图: from django.shortcuts import render from rest_framework.views import APIView from app01 import models from app01.MySer import BookSer,PublishSer,AuthorSer from rest_framework.response import Response # Create your views here. # 基本视图 class PublishView(APIView): def get(self,request): publish_list = models.Publish.objects.all() bs = PublishSer(publish_list, many=True) return Response(bs.data) def post(self, request): bs = PublishSer(data=request.data) if bs.is_valid(): bs.save() return Response(bs.data) else: return Response(bs.errors) class PublishDetailView(APIView): def get(self, request, pk): publish_obj = models.Publish.objects.filter(pk=pk).first() bs = PublishSer(publish_obj, many=False) return Response(bs.data) def put(self, request, pk): publish_obj = models.Publish.objects.filter(pk=pk).first() bs = PublishSer(data=request.data, instance=publish_obj) if bs.is_valid(): bs.save() return Response(bs.data) else: return Response(bs.data) def delete(self, request, pk): models.Publish.objects.filter(pk=pk).delete() return Response("")# MySer.py from rest_framework import serializers from app01 import models class BookSer(serializers.ModelSerializer): class Meta: model = models.Book fields = '__all__' class PublishSer(serializers.ModelSerializer): class Meta: model = models.Publish fields = '__all__' class AuthorSer(serializers.ModelSerializer): class Meta: model = models.Author fields = '__all__'基于mixins来封装的视图
其它不变,更改视图:
# 基于mixins来封装的视图 from rest_framework.mixins import CreateModelMixin, ListModelMixin, RetrieveModelMixin, DestroyModelMixin, UpdateModelMixin from rest_framework.generics import GenericAPIView class PublishView(CreateModelMixin, ListModelMixin, GenericAPIView): queryset = models.Publish.objects.all() serializer_class = PublishSer def get(self, request, *args, **kwargs): return self.list(request, *args, **kwargs) def post(self, request, *args, **kwargs): return self.create(request, *args, **kwargs) class PublishDetailView(RetrieveModelMixin, UpdateModelMixin, DestroyModelMixin, GenericAPIView): queryset = models.Publish.objects.all() serializer_class = PublishSer def get(self, request, *args, **kwargs): return self.retrieve(request, *args, **kwargs) def put(self, request, *args, **kwargs): return self.update(request, *args, **kwargs) def delete(self, request, *args, **kwargs): return self.destroy(request, *args, **kwargs)可以看出视图类中还是有很多冗余代码
mixins封装再封装,第三种方法
# 第三种写法: from rest_framework.generics import CreateAPIView, ListCreateAPIView, DestroyAPIView, RetrieveUpdateDestroyAPIView class PublishView(ListCreateAPIView): queryset = models.Publish.objects.all() serializer_class = PublishSer class PublishDetailView(RetrieveUpdateDestroyAPIView): queryset = models.Publish.objects.all() serializer_class = PublishSer还是有冗余代码
第四种写法,再次封装,全部写在一个类中
# 路由 from django.conf.urls import url from django.contrib import admin from app01 import views urlpatterns = [ url(r'^admin/', admin.site.urls), url(r'^publish/$', views.PublishView.as_view({'get': 'list', 'post': 'create'})), url(r'^publish/("htmlcode"># 第四种写法:5个接口写在一个类中 from rest_framework.viewsets import ModelViewSet class PublishView(ModelViewSet): queryset = models.Publish.objects.all() serializer_class = PublishSer补充:
from rest_framework.viewsets import ViewSetMixin from rest_framework.views import APIView # ViewSetMixin 重写了as_view方法 class Test(ViewSetMixin,APIView): def aaa(self,request): return Response()以上这篇Django框架之DRF 基于mixins来封装的视图详解就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。
幽灵资源网 Design By www.bzswh.com
广告合作:本站广告合作请联系QQ:858582 申请时备注:广告合作(否则不回)
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
幽灵资源网 Design By www.bzswh.com
暂无评论...
P70系列延期,华为新旗舰将在下月发布
3月20日消息,近期博主@数码闲聊站 透露,原定三月份发布的华为新旗舰P70系列延期发布,预计4月份上市。
而博主@定焦数码 爆料,华为的P70系列在定位上已经超过了Mate60,成为了重要的旗舰系列之一。它肩负着重返影像领域顶尖的使命。那么这次P70会带来哪些令人惊艳的创新呢?
根据目前爆料的消息来看,华为P70系列将推出三个版本,其中P70和P70 Pro采用了三角形的摄像头模组设计,而P70 Art则采用了与上一代P60 Art相似的不规则形状设计。这样的外观是否好看见仁见智,但辨识度绝对拉满。