我正在django网站上的电子钱包余额ASPECT上工作。我希望新用户在网站上注册后立即将他的钱包余额设置为“ 0”,但是我的代码抛出了以上错误。请协助。
VIEW
@unauthenticated_user
def registration(request):
form = CreateUserForm()
if request.method == 'POST':
form = CreateUserForm(request.POST)
if form.is_valid():
user = form.save()
username = form.cleaned_data.get('username')
group = Group.objects.get(name='customer')
user.groups.add(group)
Customer.objects.create(
user=user,
name=user.username,
)
instance = Balance(user=request.user, balance=10)
instance.save()
messages.success(request, 'Account was created for ' + username)
return redirect('loginuser')
context = {'form': form}
return render(request, 'account/registration.html', context)
模型
class Balance(models.Model):
user = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
balance = models.IntegerField()
def __str__(self):
return str(self.user) if self.user else ''
TRACEBACK
Traceback (most recent call last):
File "C:\Users\ienovo\Domination\venv\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
response = get_response(request)
File "C:\Users\ienovo\Domination\venv\lib\site-packages\django\core\handlers\base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Users\ienovo\Domination\venv\lib\site-packages\django\core\handlers\base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\ienovo\Domination\accounts\decorators.py", line 12, in wrapper_func
return view_func(request, *args, **kwargs)
File "C:\Users\ienovo\Domination\accounts\views.py", line 64, in registration
instance = Balance(user=request.user, balance=10)
File "C:\Users\ienovo\Domination\venv\lib\site-packages\django\db\models\base.py", line 482, in __init__
_setattr(self, field.name, rel_obj)
File "C:\Users\ienovo\Domination\venv\lib\site-packages\django\db\models\fields\related_descriptors.py", line 219, in __set__
self.field.remote_field.model._meta.object_name,
Exception Type: ValueError at /registration/
Exception Value: Cannot assign "<SimpleLazyObject: <django.contrib.auth.models.AnonymousUser object at 0x000002523CE84E48>>": "Balance.user" must be a "User" instance.
您在user
视图中分配了错误的registration()
:
# in your views.py
instance = Balance(user=request.user, balance=10)
上面的代码在您的请求对象中引用用户,在这种情况下,该用户将是未经身份验证的用户django.contrib.auth.models.AnonymousUser
。如果要引用新创建的用户,则应该使用刚刚创建的user
对象:
CreateUserForm