class NumberForm(BaseForm):

    querynumber = forms.CharField(error_messages={'required':u'请输入手机号'})

    def clean_querynumber(self):

        number = self.cleaned_data.get('querynumber')

        re_number = r'^1(3|5|7|8)[0-9]{9}$'

        if len(number) >11 or len(number)<11 :

            raise forms.ValidationError(u'手机号码长度为11位')

        if not re.match(re_number,number):

            raise forms.ValidationError(u'请输入合法手机号')

        return number