过滤

#1 安装：pip3 install   
#2 注册，在app中注册
#3 全局配，或者局部配
 'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',)
#4 视图类
class BookView(ListAPIView):
    queryset = Book.objects.all()
    serializer_class = BookSerializer
    filter_fields = ('name',)  #配置可以按照哪个字段来过滤