restframeword之视图，解析器

Posted 2020-12-27 maojiang

 

 

 

最终版本 五个方法封装

位置参数 看源码

 

 

 

视图四个方法：

视图

 

    (1) （常用）

      

class AuthorSerializers(serializers.ModelSerializer):

    class Meta:

        model=Author

        fields="__all__"

 

        class AuthorView(APIView):

     def get():

     pass

 def post():

     pass

 

     class AuthorDetailView(APIView):

     def get():

     pass

 def delete():

     pass

             def put():

                 pass

 

View Code

 

from rest_framework.mixins import CreateModelMixin,ListModelMixin,DestroyModelMixin,RetrieveModelMixin,UpdateModelMixin

from rest_framework import generics

 

     (2)  class AuthorView(CreateModelMixin,ListModelMixin,generics.GenericAPIView,):

queryset=Author.objects.all

serializer_class=AuthorSerializers

 

def get(self,request):

return self.list(request)

def post(self,request):

 

return self.create(request)

 

class AuthorDetailView(DestroyModelMixin,UpdateModelMixin,RetrieveModelMixin,generics.GenericAPIView,):

queryset = Author.objects.all

serializer_class = AuthorSerializers

 

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)

 

View Code

      (3)   class AuthorView(generics.ListCreateAPIView):

class AuthorView(generics.ListCreateAPIView):

 

queryset=Author.objects.all

serializer_class=AuthorSerializers

 

class AuthorDetailView(generics.RetrieveUpdateDestroyAPIView):

queryset = Author.objects.all

serializer_class = AuthorSerializers

View Code

from rest_framework.viewsets import ModelViewSet

  (4)   class AuthorModelView(ModelViewSet):（常用）

class AuthorModelView(ModelViewSet)

 

queryset=Author.objects.all()

serializer_class=AuthorSerializers

View Code

 

解析器 

如果一个属性点一个没有的属性

 

就会执行这个

 

可以定义全局

 

 

 

解析器是什么时候执行，request.data

 解析器

    class APIView：

     parser_classes = api_settings.DEFAULT_PARSER_CLASSES