基于APIView写接口

本文主要是介绍基于APIView写接口，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

#### views.py
from rest_framework.generics import GenericAPIView
from app01.models import Book
from app01.ser import BookSerializer
# 基于APIView写的
class BookView(APIView):
    def get(self,request):
        book_list=Book.objects.all()
        book_ser=BookSerializer(book_list,many=True)

        return Response(book_ser.data)
    def post(self,request):
        book_ser = BookSerializer(data=request.data)
        if book_ser.is_valid():
            book_ser.save()
            return Response(book_ser.data)
        else:
            return Response({'status':101,'msg':'校验失败'})


class BookDetailView(APIView):
    def get(self, request,pk):
        book = Book.objects.all().filter(pk=pk).first()
        book_ser = BookSerializer(book)
        return Response(book_ser.data)

    def put(self, request,pk):
        book = Book.objects.all().filter(pk=pk).first()
        book_ser = BookSerializer(instance=book,data=request.data)
        if book_ser.is_valid():
            book_ser.save()
            return Response(book_ser.data)
        else:
            return Response({'status': 101, 'msg': '校验失败'})

    def delete(self,request,pk):
        ret=Book.objects.filter(pk=pk).delete()
        return Response({'status': 100, 'msg': '删除成功'})
    
#models.py
class Book(models.Model):
    name=models.CharField(max_length=32)
    price=models.DecimalField(max_digits=5,decimal_places=2)
    publish=models.CharField(max_length=32)
#ser.py
class BookSerializer(serializers.ModelSerializer):
    class Meta:
        model=Book
        fields='__all__'
# urls.py
path('books/', views.BookView.as_view()),
re_path('books/(?P<pk>\d+)', views.BookDetailView.as_view()),

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