django - 扩展 form.is_valid()

Question

我正在学习 Django，并且偶然发现了一些我需要帮助的东西:

forms.py

class UserForm(forms.ModelForm):
    password1 = forms.CharField(widget=forms.PasswordInput())
    password2 = forms.CharField(widget=forms.PasswordInput())

    class Meta:
        model = User
        fields = ('username', 'email', 'password1','password2')

    def password_matched(self):
        if self.data['password1'] != self.data['password2']:
            self.errors['password'] = 'Passwords do not match'
            return False
        else:
            return True

    def is_valid(self):
        valid = super(UserForm,self).is_valid()
        password_matched = self.password_matched()
        if valid and password_matched:
            return True
        else:
            return False

View .py

def register(request):
     #blah...
     user.set_password(user.password)
     # user.set_password(user.password1) doesn't work ! WHY!?

所以基本上，我正在检查是否 pw1 == pw2 ,
检查后，我希望将用户的密码设置为password1。
我最初使用的线路 user.set_password(user.password1)但它提示 User 对象没有 password1 ，但是当我使用 password 时它起作用了.

这是为什么？谢谢。

Answer 1

理想情况下，您应该使用 clean方法，永远不要碰is_valid方法。

像这样的东西:

def clean(self):
    cd = self.cleaned_data

    password1 = cd.get("password1")
    password2 = cd.get("password2")

    if password1 != password2:
        #Or you might want to tie this validation to the password1 field
        raise ValidationError("Passwords did not match")



    return cd

现在，在意见中，

def register(request):
   #blah...
   form = UserForm(request.POST or None)
   if request.method == "POST":
       if form.is_valid(): #This would call the clean method for you
           user = User.objects.create(...)
           user.set_password(form.cleaned_data.get("password1"))
           user.save()
       else: #Form is invalid
           print form.errors #You have the error list here.