登錄signin類視圖 ``` 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 # 檢索是否擁有這個賬號 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="手機號碼或者密碼錯誤") else: return restful.params_error(message=form.get_error()) ``` ajax傳遞表單數據 ``` $(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 () { }, }); }); }); ``` 登錄表單驗證 ``` class SigninForm(BaseForm): telephone = StringField(validators=[Regexp(r"1[345789]\d{9}",message="請輸入正確格式的手機號碼")]) password = StringField(validators=[Regexp(r"[0-9a-zA-Z]{6,20}",message="請輸入正確格式的密碼")]) remeber = StringField() ``` 設置配置文件config.py，定義前端用戶會話名稱 ``` FRONT_USER_ID = 'FRONT_USER_ID' ```