表单验证 ``` class SignupForm(BaseForm): telephone = StringField(validators=[Regexp(r"1[345789]\d{9}",message="请输入正确格式的手机号码")]) sms_captcha = StringField(validators=[Regexp(r"\w{4}",message="请输入正确格式的短信验证码")]) username = StringField(validators=[Regexp(r".{2,20}",message="请输入正确格式的用户名")]) password1 = StringField(validators=[Regexp(r"[0-9a-zA-Z]{6,20}",message="请输入正确格式的密码")]) password2 = StringField(validators=[EqualTo("password1",message="两次输入的密码不一致")]) graph_captcha = StringField(validators=[Regexp(r"\w{4}",message="请输入正确格式的图形验证码")]) # print(password1,password2) # 短信验证码验证 def validate_sms_captcha(self,field): sms_captcha = field.data telephone = self.telephone.data sms_captcha_mem = zlcache.get(telephone) if not sms_captcha_mem or sms_captcha_mem.lower() != sms_captcha.lower(): raise ValidationError(message="短信验证码错误") # 图形验证码验证 def validate_graph_captcha(self,field): graph_captcha = field.data graph_captcha_mem = zlcache.get(graph_captcha) if not graph_captcha_mem: raise ValidationError(message="图形验证码错误") ``` post请求 ``` class SignupView(views.MethodView): def get(self): return render_template('front/signup.html') def post(self): form = SignupForm(request.form) if form.validate(): telephone = form.telephone.data username = form.username.data password = form.password1.data user = FrontUser(telephone=telephone,username=username,password=password) db.session.add(user) db.session.commit() return restful.success() else: print(form.get_error()) return restful.params_error(message=form.get_error()) bp.add_url_rule(rule='/signup/',view_func=SignupView.as_view('/signup/')) ```