rest_framework之视图
写一个出版社的增删改查restful接口
models
from django.db import models # Create your models here. from django.db import models # Create your models here. class Book(models.Model):
title = models.CharField(max_length=32)
price = models.IntegerField()
pub_date = models.DateField()
publish = models.ForeignKey("Publish")
authors = models.ManyToManyField("Author") def __str__(self):
return self.title def test(self):
return '' class Publish(models.Model):
name = models.CharField(max_length=32)
email = models.EmailField()
# def __str__(self):
# return self.name class Author(models.Model):
name = models.CharField(max_length=32)
age = models.IntegerField() def __str__(self):
return self.name
视图
from django.shortcuts import render, HttpResponse
# Book相关操作
# Create your views here.
from api import models
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework import serializers class BookSer(serializers.ModelSerializer):
class Meta:
model = models.Book
fields = "__all__" class List():
def list(self):
ret = self.ret.objects.all()
ser = self.book_ser(instance=ret, many=True)
return Response(ser.data) class Create():
def create(self, request):
back_msg = {'status': 0, 'data': None, 'msg': 'error happened'}
ser = BookSer(data=request.data)
if ser.is_valid():
ser.save()
back_msg['data'] = ser.data
back_msg['status'] = 1
back_msg['msg'] = 'create success'
return Response(back_msg) class Book(APIView, List, Create):
ret = models.Book
book_ser = BookSer def get(self, request):
return self.list() def post(self, request):
return self.create(request) class BookDetail(APIView):
def get(self, request, pk):
ret = models.Book.objects.filter(pk=pk).first()
ser = BookSer(instance=ret, many=False)
return Response(ser.data) def put(self, request, pk):
ret = models.Book.objects.filter(pk=pk).first()
ser = BookSer(instance=ret, data=request.data)
if ser.is_valid():
ser.save()
return Response(ser.data) def delete(self, request, pk):
models.Book.objects.filter(pk=pk).delete()
return HttpResponse('already deleted')
mixin类和generice类编写视图
from rest_framework.mixins import CreateModelMixin,RetrieveModelMixin,ListModelMixin,UpdateModelMixin,DestroyModelMixin
from rest_framework.generics import GenericAPIView
class PublishView(ListModelMixin,CreateModelMixin,GenericAPIView):
queryset=models.Publish.objects.all()
serializer_class=PublishSerializers def get(self, request):
return self.list(request) def post(self, request):
return self.create(request) class PublishDetailView(RetrieveModelMixin,UpdateModelMixin,DestroyModelMixin,GenericAPIView):
queryset=models.Publish.objects.all()
serializer_class=PublishSerializers
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)
使用generics 下ListCreateAPIView,RetrieveUpdateDestroyAPIView
from rest_framework.generics import ListCreateAPIView,RetrieveUpdateDestroyAPIView
class PublishView(ListCreateAPIView):
queryset=models.Publish.objects.all()
serializer_class=PublishSerializers class PublishDetailView(RetrieveUpdateDestroyAPIView):
queryset=models.Publish.objects.all()
serializer_class=PublishSerializers
使用ModelViewSet
路由
url(r'^publish/$', views.PublishView.as_view({'get':'list','post':'create'})),
url(r'^publish/(?P<pk>\d+)/$', views.PublishView.as_view({'get':'retrieve','put':'update','delete':'destroy'})),
视图
from rest_framework.viewsets import ModelViewSet
class PublishView(ModelViewSet):
queryset=models.Publish.objects.all()
serializer_class=PublishSerializers
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