Restful framework【第四篇】视图组件

class PublishSerializers(serializers.ModelSerializer):
    class Meta:
        model=models.Publish
        fields=‘__all__‘

class PublishView(APIView):

    def get(self, request):
        publish_list = models.Publish.objects.all()
        bs = PublishSerializers(publish_list, many=True)
        # 序列化数据

        return Response(bs.data)

    def post(self, request):
        # 添加一条数据
        print(request.data)

        bs=PublishSerializers(data=request.data)
        if bs.is_valid():
            bs.save()  # 生成记录
            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=PublishSerializers(publish_obj,many=False)
        return Response(bs.data)
    def put(self,request,pk):
        publish_obj = models.Publish.objects.filter(pk=pk).first()

        bs=PublishSerializers(data=request.data,instance=publish_obj)
        if bs.is_valid():
            bs.save() # update
            return Response(bs.data)
        else:
            return Response(bs.errors)
    def delete(self,request,pk):
        models.Publish.objects.filter(pk=pk).delete()

        return Response("")

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)

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