我希望能够通过 POST 更新用户记录。但是,id 始终为 NULL。即使我传递了 id,它似乎也被忽略了
查看代码:
JSON 发布:
{
"id": 1,
"name": "Craig Champion",
"profession": "Developer",
"email": "craig@isai.co.uk"
}
@api_view(['POST'])
def get_purchase(request):
"""
Gets purchase records for a user
Purchase collection is returned
"""
user = User();
serializer = UserSerializer(user, data=request.DATA)
if serializer.is_valid():
#The object ALWAYS has ID = nothing at this point
serializer.save()
return Response(serializer.data, status=status.HTTP_200_OK)
else:
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
模型序列化器
class UserSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = ('id', 'name', 'profession', 'email', 'password', )
write_only_fields = ('password' , )
模型
class User(models.Model):
name = models.CharField(max_length=30, null=True, blank=True)
profession = models.CharField(max_length=100, null=True, blank=True)
email = models.EmailField()
password = models.CharField(max_length=20, null=True, blank=True)
def __unicode__(self):
return self.name
我如何强制更新 savechanges 并查看 ID?
最佳答案
您需要使用 partial=True
来更新包含部分数据的行:
serializer = UserSerializer(user, data=request.DATA, partial=True)
来自 docs :
By default, serializers must be passed values for all required fields or they will throw validation errors. You can use the
partial
argument in order to allow partial updates.
关于python - django rest framework - 总是插入,从不更新,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21412324/