如何在单个帖子中更新多个实例 - django rest 框架

Question

我有数组对象：

const ordsend =[
    {
      order: 4,
      id: 1,
    },
    {
      order: 2,
      id: 2,
    }
]

其中 id 是主键， 对于 axios，我通过 POST 方法发送这个：

this.axios.post('route-dispatchs/order/', this.ordsend)
   .then((response) => {
     console.log(success);
});

这对我来说似乎是正确的，因为通过 id 进行过滤并更新其各自的 order

class RouteDispatchViewSet(viewsets.ModelViewSet):
    queryset = RouteDispatch.objects.all()
    serializer_class = RouteDispatchSerializer

    @list_route(methods=['post'], url_path='order')
def order_dispatch(self, request):
    for data in request.data:
        self.queryset.filter(id=data['id']).update(order=data['order'])

    page = self.paginate_queryset(self.queryset)
    if page is not None:
        serializer = self.get_serializer(page, many=True)
        return self.get_paginated_response(serializer.data)
    serializer = self.get_serializer(self.queryset, many=True)
    return Response(serializer.data)

但不幸的是它显示了以下错误：

AttributeError: 'list' 对象没有属性 'items'

如何在一个请求中进行多次更新？

错误：

当我只发送一个时：

this.ordsend[0]

我完美地删除了 ** for ** 更新。

Answer 1

假设您有如下请求负载，

{'payload' :[
    {
        "order": 4,
        "id": 1,
    },
    {
        "order": 2,
        "id": 2,
    }
]}

然后尝试如下更改您的views，

class RouteDispatchViewSet(viewsets.ModelViewSet):
    queryset = RouteDispatch.objects.all()
    serializer_class = RouteDispatchSerializer

    @list_route(methods=['post'], url_path='order')
    def order_dispatch(self, request):
        for data in request.data['payload']:
            self.queryset.filter(id=data['id']).update(order=data['order'])

        page = self.paginate_queryset(self.queryset)
        if page is not None:
            serializer = self.get_serializer(page, many=True)
            return self.get_paginated_response(serializer.data)
        serializer = self.get_serializer(self.queryset, many=True)
        return Response(serializer.data)

参考：Queryset update django