让我们开始解决问题
我有一个页面,我希望用户在其中填写有关自己的信息,并且我想保存该数据。但我收到这个错误。
IntegrityError at /accounts/profile/edit/1/change-profile/
UNIQUE constraint failed: accounts_user.username
这是我的观点.py
def change_profile(request, pk):
form = ChangeProfile(request.POST or None)
user_ = request.user
if request.method == "POST":
if form.is_valid():
form.save()
return redirect("/accounts/profile/edit/{}/".format(user_.pk))
args = {'form': form}
return render(request, 'change_profile.html', args)
我的模型.py
class GradeUser(models.Model):
grade = models.CharField(max_length=20, null=True)
class Country(models.Model):
country = models.CharField(max_length=30, null=True)
class User(AbstractBaseUser):
email = models.EmailField(
verbose_name = 'email address',
max_length=255,
unique=True
)
real_name = models.CharField(max_length=20, blank=True)
username = models.CharField(max_length=40, unique=True, verbose_name='username')
grade = models.ForeignKey(GradeUser, on_delete=models.CASCADE, blank=True, null=True)
country = models.ForeignKey(Country, on_delete=models.CASCADE, blank=True, null=True)
reputation = models.IntegerField(default=0)
image = models.ImageField(upload_to='accounts/media', blank=True)
about_me = models.TextField()
USERNAME_FIELD= 'email'
REQUIRED_FIELDS = ['username']
objects = UserManager()
forms.py
class ChangeProfile(forms.ModelForm):
class Meta:
model = User
fields = ('real_name', 'grade', 'country', 'about_me')
究竟出了什么问题?
为什么需要用户的用户名?
我应该用它做什么来保存?