登录signin类视图 ``` class SigninView(views.MethodView): def get(self): return_to = request.referrer if return_to and return_to != request.url and return_to != url_for("front.signup") and safeutils.is_safe_url(return_to): return render_template("front/signin.html",return_to=return_to) else: return render_template('front/signin.html') def post(self): form = SigninForm(request.form) if form.validate(): telephone = form.telephone.data password = form.password.data remember = form.remeber.data # 检索是否拥有这个账号 user = FrontUser.query.filter_by(telephone=telephone).first() if user and user.check_password(password): session[config.FRONT_USER_ID] = user.id if remember: session.permanent = True return restful.success() else: return restful.params_error(message="手机号码或者密码错误") else: return restful.params_error(message=form.get_error()) ``` ajax传递表单数据 ``` $(function () { $('#submit-btn').click(function (event) { event.preventDefault(); var telephone_input = $("input[name='telephone']"); var password_input = $("input[name='password']"); var remember_input = $("input[name='remember']") var telephone = telephone_input.val(); var password = password_input.val(); var remember = remember_input.checked?1:0 zlajax.post({ 'url':'/signin/', 'data':{ 'telephone':telephone, 'password':password, 'remember':remember, }, 'success':function (data) { if (data['code'] == 200){ var return_to = $("#return-to-span").text(); if(return_to){ window.location = return_to; }else{ window.location = '/'; } } }, 'fail':function () { }, }); }); }); ``` 登录表单验证 ``` class SigninForm(BaseForm): telephone = StringField(validators=[Regexp(r"1[345789]\d{9}",message="请输入正确格式的手机号码")]) password = StringField(validators=[Regexp(r"[0-9a-zA-Z]{6,20}",message="请输入正确格式的密码")]) remeber = StringField() ``` 设置配置文件config.py，定义前端用户会话名称 ``` FRONT_USER_ID = 'FRONT_USER_ID' ```