帳號註冊的form

# 註冊的formclass RegForm(forms.ModelForm):    password = forms.CharField(widget=forms.PasswordInput, label='密碼', min_length=6)  # 重寫默認字段    re_password = forms.CharField(widget=forms.PasswordInput, label='確認密碼', min_length=6)  # 新增字段    class Meta:        model = models.UserProfile  # 指定model        fields = '__all__'  # ['username','password']  # 指定字段        exclude = ['is_active']        labels = {            'username': '用戶名'        }        widgets = {            'username': forms.TextInput(attrs={'class': 'form-control', 'placeholder': '用戶名'}),            # 'password': forms.PasswordInput(attrs={'class': 'form-control'})        }        error_messages = {            'min_length': '不能少於6位'        }    def __init__(self, *args, **kwargs):        super().__init__(*args, **kwargs)        # 自定義操做        for field in self.fields.values():            # field.widget.attrs['class'] = 'form-control'            field.widget.attrs.update({'class': 'form-control'})    def clean(self):        pwd = self.cleaned_data.get('password', '')        re_pwd = self.cleaned_data.get('re_password', '')        if pwd == re_pwd:            # 密碼加密            md5 = hashlib.md5()            md5.update(pwd.encode('utf-8'))            pwd = md5.hexdigest()            self.cleaned_data['password'] = pwd            return self.cleaned_data        # 兩次密碼不一致        self.add_error('re_password', '兩次密碼不一致!!')        raise ValidationError('兩次密碼不一致')