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  • APIView


    案例-使用APIView改写RestAPI

    # views.py
    from rest_framework.views import APIView
    from rest_framework import status
    from django.http import Http404
    
    from booktest.serializers import BookInfoSerializer
    
    # /books/
    class BookListView(APIView):
        """
        获取所有图书、增加图书
        """
        def get(self, request):
            """
            获取所有的图书数据
            """
            queryset = BookInfo.objects.all()
    
            # 序列化所有图书数据
            serializer = BookInfoSerializer(queryset, many=True)
    
            return Response(serializer.data)
    
        def post(self, request):
            """
            新增一个图书数据
            """
            # 反序列化-数据校验
            serializer = BookInfoSerializer(data=request.data)
            serializer.is_valid(raise_exception=True)
    
            # 反序列化-数据保存(save内部会调用序列化器类的create方法)
            serializer.save()
    
            return Response(serializer.data, status=status.HTTP_201_CREATED)
    
    # /books/(?P<pk>d+)/
    class BookDetailView(APIView):
        """
        获取、修改、删除指定图书
        """
        def get(self, request, pk):
            """
            获取指定图书
            """
            try:
                book = BookInfo.objects.get(pk=pk)
            except BookInfo.DoesNotExist:
                raise Http404
    
            # 将图书数据进行序列化
            serializer = BookInfoSerializer(book)
    
            return Response(serializer.data)
    
        def put(self, request, pk):
            """
            修改指定图书
            """
            try:
                book = BookInfo.objects.get(pk=pk)
            except BookInfo.DoesNotExist:
                raise Http404
    
            # 反序列化-数据校验
            serializer = BookInfoSerializer(book, data=request.data)
            serializer.is_valid(raise_exception=True)
    
            # 反序列化-数据保存(save内部会调用序列化器类的update方法)
            serializer.save()
    
            return Response(serializer.data)
    
        def delete(self, request, pk):
            """
            删除指定图书:
            """
            try:
                book = BookInfo.objects.get(pk=pk)
            except BookInfo.DoesNotExist:
                raise Http404
    
            book.delete()
    
            return Response(status=status.HTTP_204_NO_CONTENT)
    
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  • 原文地址:https://www.cnblogs.com/oklizz/p/11278593.html
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