标签：+= serialize highlight *args elm mode erro cap book
一视图组件
restframework可以轻松完成对某个数据的增删改查的目的，在继承viewsets.ModelViewset后，只需要配置数据管理对象和序列化器即可，
class BookModelView(viewsets.ModelViewSet):
queryset = models.Book.objects.all()
serializer_class = BookSerializer
上面的方法是直接继承restframework提供的方法来实现对数据的增删改查的目的，根据前端提交请求的方式不同，通过get、post、put、delete、等实现
使用这种方法的时候，路由需要传参，视图组件在继承ViewsetMixin之后可以进行路由传参
url(r‘api/$‘, views.BookModelView.as_view({"get": "list", "post": "create"})),
url(r‘api/(?P<pk>\d+)‘, views.BookModelView.as_view({"get": "retrieve", "put": "update", "delete": "destroy"})),
路由传参可以使用路由组件来更加方便的进行达到目的
from rest_framework.routers import DefaultRouter router =DefaultRouter() router.register(r‘book‘, views.BookModelView)
urlpatterns += router.urls
我们也可以通过自己重写方法来实现这些功能
class GenericAPIView(APIView):
queryset = None
serializer_class = None
def get_queryset(self):
return self.queryset.all()
def get_serializer(self, *args, **kwargs):
return self.serializer_class(*args, **kwargs)
class ListModelMixin(object):
def list(self, request):
queryset = self.get_queryset()
ser_obj = self.get_serializer(queryset, many=True)
return Response(ser_obj.data)
class CreateModelMixin(object):
def create(self, request):
ser_obj = self.get_serializer(data=request.data)
if ser_obj.is_valid():
ser_obj.save()
return Response(ser_obj.validated_data)
return Response(ser_obj.errors)
class RetrieveModelMixin(object):
def retrieve(self, request, id):
book_obj = self.get_queryset().filter(id=id).first()
ser_obj = BookSerializer(book_obj)
return Response(ser_obj.data)
class UpdateModelMixin(object):
def update(self, request, id):
book_obj = self.get_queryset().filter(id=id).first()
ser_obj = self.get_serializer(instance=book_obj, data=request.data, partial=True)
if ser_obj.is_valid():
ser_obj.save()
return Response(ser_obj.validated_data)
return Response(ser_obj.errors)
class DestroyModelMixin(object):
def destroy(self, request, id):
book_obj = self.get_queryset().filter(id=id).first()
if not book_obj:
return Response("删除的对象不存在")
book_obj.delete()
return Response("")
class ListCreateAPIView(GenericAPIView, ListModelMixin, CreateModelMixin):
pass
class RetrieveUpdateDestroyAPIView(GenericAPIView, RetrieveModelMixin, UpdateModelMixin, DestroyModelMixin):
pass
class ModelViewSet(ViewSetMixin, ListCreateAPIView, RetrieveUpdateDestroyAPIView):
pass
在通过调用自己写的ModelViewSet实现
class BookModelView(ModelViewSet):
queryset = models.Book.objects.all()
serializer_class = BookSerializer
标签：+= serialize highlight *args elm mode erro cap book
原文地址：https://www.cnblogs.com/wszxdzd/p/10004116.html
