rest_framework中的serializers，Response，APIView

URL：urlpatterns = [    url(r‘^admin/‘, admin.site.urls),    url(r‘^publi/‘, views.LoginView.as_view()),    url(r‘^publisher/‘, views.PublishView.as_view()),    url(r‘^books/$‘, views.BookView.as_view()),    url(r‘^books/(\d+)/‘, views.BookDetailView.as_view()),    url(r‘^author/$‘, views.AuthorView.as_view()),    url(r‘^author/(\d+)/‘, views.AuthorDetailView.as_view()),]

views:

from django.shortcuts import render,HttpResponse

# Create your views here.

from .models import *from django.views import Viewimport jsonfrom rest_framework import serializersfrom rest_framework.response import Response#为queyset做序列化class PublisherSerializers(serializers.Serializer):    name = serializers.CharField()    email = serializers.CharField()

# class BookSerializers(serializers.Serializer):#     title = serializers.CharField()#     price = serializers.IntegerField()#     pub_date = serializers.DateField()#     publisher = serializers.CharField(source="publisher.email")#     # authors = serializers.CharField(source="authors.all") #多对多不好用#     authors =serializers.SerializerMethodField()#     def get_authors(self,obj):#         temp = []#         for obj in obj.authors.all():#             temp.append(obj.name)#             print(temp)#         return tempclass BookModelSerializers(serializers.ModelSerializer):    class Meta:        model =Book        fields = "__all__"        #自定义显示字段 可以不不加就显示全部  用自定义的话post请求要重写create方法    publisher = serializers.CharField(source="publisher.pk",read_only=True)    # authors = serializers.CharField(source="authors.all") #多对多不好用    # authors =serializers.SerializerMethodField()    # def get_authors(self,obj):    #     temp = []    #     for obj in obj.authors.all():    #         temp.append(obj.name)    #         print(temp)    #     return temp

def create(self, validated_data):        print("validated_data",validated_data)        book = Book.objects.create(title=validated_data["title"],price=validated_data["price"],pub_date=validated_data["pub_date"],publisher_id=validated_data["publisher"]["pk"])        book.authors.add(*validated_data["authors"])        return book

class AuthorModelSerializers(serializers.ModelSerializer):    class Meta:        model = Author        fields = "__all__"

from rest_framework.views import APIViewclass PublishView(APIView):    def get(self,request):        print(request.GET)        return HttpResponse(123)    def post(self,request):        print(request.body)        print(request.POST)

return HttpResponse("789")class BookView(APIView):    def get(self,request):        book_list = Book.objects.all()        # bs = BookSerializers(book_list,many=True)        bs = BookModelSerializers(book_list, many=True)        print(bs.data)        return Response(bs.data)    def post(self,request):        bs = BookModelSerializers(data=request.data)        if bs.is_valid():            bs.save()            return Response(bs.data)        else:            return Response(bs.errors)class BookDetailView(APIView):    def get(self,request,id):        book = Book.objects.filter(pk=id).first()        bs = BookModelSerializers(book)        return Response(bs.data)    def put(self,request,id):        book = Book.objects.filter(pk=id).first()        bs = BookModelSerializers(book,data=request.data)        if bs.is_valid():            bs.save()            return Response(bs.data)        else:            return Response(bs.errors)    def delete(self,request,id):        Book.objects.filter(pk=id).delete()        return Response()class AuthorView(APIView):    def get(self,request):        author_list = Author.objects.all()        authorseria = AuthorModelSerializers(author_list,many=True)        return Response(authorseria.data)    def post(self,request):        authorseria = AuthorModelSerializers(data=request.data)        if authorseria.is_valid():            authorseria.save()            return Response(authorseria.data)        else:            return Response(authorseria.errors)class AuthorDetailView(APIView):    def get(self,request,pk):        author_obj = Author.objects.filter(pk=pk).first()        author_seria = AuthorModelSerializers(author_obj)        return Response(author_seria.data)    def put(self,request,pk):        author_obj = Author.objects.filter(pk=pk).first()        author_seria = AuthorModelSerializers(author_obj,data=request.data)        if author_seria.is_valid():            author_seria.save()            return Response(author_seria.data)        else:            return Response(author_seria.errors)

def delete(self,request,pk):        Author.objects.filter(pk=pk).first().delete()        return Response()

原文地址：https://www.cnblogs.com/chvv/p/9631794.html