Question

就像这样; DoesNotExist at / post / naver /

我现在收到此错误，因为我在此行的末尾添加了id，profile = MyProfile.objects.get(user=request.user.id)我正在使用userena。我必须使用id，否则它不会提供'SimpleLazyObject'

这是追溯

Traceback:
/env/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  132.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
/ebagu/main/views.py" in post
  87.       profile = MyProfile.objects.get(user=request.user.id)
/env/local/lib/python2.7/site-packages/django/db/models/manager.py" in manager_method
  127.                 return getattr(self.get_queryset(), name)(*args, **kwargs)
/env/local/lib/python2.7/site-packages/django/db/models/query.py" in get
  334.                 self.model._meta.object_name

Exception Type: DoesNotExist at /post/naver/
Exception Value: MyProfile matching query does not exist.

Answer 1

我认为你应该使用

profile = MyProfile.objects.get(user_id=request.user.id)

Answer 2

如果不保证数据库中存在配置文件，则需要编写代码来处理该情况。常见的方法是捕获DoesNotExist异常。

try:
    profile = MyProfile.objects.get(user=request.user)
    # if it's a OneToOne field, you can do:
    # profile = request.user.myprofile
except MyProfile.DoesNotExist:
    profile = None
    # other code that handles missing profile

如果所有登录用户都有个人资料，但您的视图也处理匿名用户，那么如果您使用if语句，则代码可能会更清晰。您可以实例化显示匿名用户默认值的配置文件。

if request.user.is_authenticated():
    profile = request.user.myprofile
else:
    profile = MyProfile(favourite_food="pasta", favourite_colour="blue")

Answer 3

确保用户存在于模型（MyProfile）

中

profile = None
if MyProfile.objects.filter(user=request.user).exists():
    profile = MyProfile.objects.get(user=request.user)
else:
    pass
    # Do something if data not exist's

Answer 4

我假设基于android { packagingOptions { exclude 'META-INF/LICENSE' } }是您用户的一对一字段的其他问题。所以你可以通过

访问它

MyProfile

MyProfile匹配查询不存在

4 个答案: