全局钩子的改名

    def clean(self):
        password=self.cleaned_data.get(‘password‘)
        r_pwd=self.cleaned_data.get(‘r_pwd‘)
        if password and r_pwd and password!=r_pwd:
            self.add_error(‘r_pwd‘,ValidationError(‘密码不一致‘))
        else:
            return self.cleaned_data

        try:
            cleaned_data = self.clean()
        except ValidationError as e:
            self.add_error(None, e)