基于GenericAPIView和5个视图扩展类写的接口

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from rest_framework.mixins import  ListModelMixin,CreateModelMixin,UpdateModelMixin,DestroyModelMixin,RetrieveModelMixin # views.py class Book3View(GenericAPIView,ListModelMixin,CreateModelMixin):       queryset=Book.objects     serializer_class = BookSerializer     def get(self,request):         return self.list(request)       def post(self,request):         return self.create(request)   class Book3DetailView(GenericAPIView,RetrieveModelMixin,DestroyModelMixin,UpdateModelMixin):     queryset = Book.objects     serializer_class = BookSerializer     def get(self, request,pk):         return self.retrieve(request,pk)       def put(self, request,pk):         return self.update(request,pk)       def delete(self,request,pk):         return self.destroy(request,pk) # urls.py     # 使用GenericAPIView+5 个视图扩展类  重写的     path('books3/', views.Book3View.as_view()),     re_path('books3/(?P<pk>\d+)', views.Book3DetailView.as_view()),