我正在尝试使用Django-Rest-Framework (DRF)创建一个API来CRUD用户。我已经成功创建和读取用户,但是出于某种原因,更新操作无法正常工作。似乎它正在尝试创建一个新的用户而不是更新现有的用户,因为它会响应一个“用户名已存在”的错误信息。当我尝试传递一个数据库中不存在的电子邮件时,它只会创建一个新用户。有人知道这是为什么吗?
这是我的用户序列化器:
这是我的用户序列化器:
class UserSerializer(FriendlyErrorMessagesMixin, serializers.ModelSerializer):
password = serializers.CharField(
max_length=128,
min_length=8,
write_only=True
)
class Meta:
model = User
fields = ('username',
'email',
'password',
'name',
'house_number',
'address_line_one',
'address_line_two',
'address_line_three',
'city',
'postcode',
'phone_number')
read_only_fields = ('date_created', 'date_modified', 'username')
def update(self, instance, validated_data):
password = validated_data.pop('password', None)
for (key, value) in validated_data.items():
setattr(instance, key, value)
if password is not None:
instance.set_password(password)
instance.save()
return instance
这是我的观点:
class UserRetrieveUpdateAPIView(RetrieveUpdateAPIView):
permission_classes = (IsAuthenticated,)
serializer_class = UserSerializer
def retrieve(self, request, *args, **kwargs):
serializer = self.serializer_class(request.user)
return Response(serializer.data, status=status.HTTP_200_OK)
def update(self, request, *args, **kwargs):
serializer = self.serializer_class(data=request.data, partial=True)
serializer.is_valid(raise_exception=True)
serializer.save()
return Response(serializer.data, status=status.HTTP_200_OK)