from rest_framework import mixins
from rest_framework import viewsetsclass GoodsListViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):queryset = Goods.objects.all()    # 获取待返回数据的querysetserializer_class = GoodsSerializer # 指定序列化器

from rest_framework import serializers
from goods.models import Goodsclass GoodsSerializer(serializers.ModelSerializer):    class Meta:model = Goods   fields = '__all__'

from rest_framework.documentation import include_docs_urls
from rest_framework.routers import DefaultRouterrouter = DefaultRouter()
router.register(r'goods', GoodsListViewSet, base_name="goods")urlpatterns = [url(r'^', include(router.urls))
]

class GenericViewSet(ViewSetMixin, generics.GenericAPIView):"""The GenericViewSet class does not provide any actions by default,but does include the base set of generic view behavior, such asthe `get_object` and `get_queryset` methods."""pass

class ViewSetMixin(object):"""This is the magic.Overrides `.as_view()` so that it takes an `actions` keyword that performsthe binding of HTTP methods to actions on the Resource.For example, to create a concrete view binding the 'GET' and 'POST' methodsto the 'list' and 'create' actions...view = MyViewSet.as_view({'get': 'list', 'post': 'create'})"""............

class ListModelMixin(object):"""List a queryset."""def list(self, request, *args, **kwargs):queryset = self.filter_queryset(self.get_queryset())page = self.paginate_queryset(queryset)if page is not None:serializer = self.get_serializer(page, many=True)return self.get_paginated_response(serializer.data)serializer = self.get_serializer(queryset, many=True)return Response(serializer.data)

class GenericAPIView(views.APIView):"""Base class for all other generic views."""# You'll need to either set these attributes,# or override `get_queryset()`/`get_serializer_class()`.# If you are overriding a view method, it is important that you call# `get_queryset()` instead of accessing the `queryset` property directly,# as `queryset` will get evaluated only once, and those results are cached# for all subsequent requests.queryset = Noneserializer_class = None