html代码

jquery代码
$(document).ready(function(){ if ($.cookie(rmbuser) == true) { $(#ck_rmbuser).prop(checked, true); $(#username).val($.cookie(username)); $(#password).remove(); $(#pass).append(); $(#password).val($.cookie(password)); } $(#loginbutton).click(function(){ if(check()){ login(); } }); }); //记住用户名密码 function save() { if ($(#ck_rmbuser).prop(checked)) { var username = $(#username).val(); var password = $(#password).val(); $.cookie(rmbuser, true, { expires: 7 }); //存储一个带7天期限的cookie $.cookie(username, username, { expires: 7 }); $.cookie(password, password, { expires: 7 }); }else{ $.cookie(rmbuser, false, { expire: -1 }); $.cookie(username, , { expires: -1 }); $.cookie(password, , { expires: -1 }); } }; function check(){ var username = $(#username).val(); var password = $(#password).val(); if(username == || username == 请输入用户名){ $(#tip).text(请输入用户名!); $(#username).focus(); return false; } if(password == || password == 请输入密码){ $(#tip).text(请输入密码!); $(#password).focus(); return false; } $(#tip).text(); return true; } function login(){ $.ajax({ type:post, url: login!loginvalidate.action, data:{username:$(#username).val(),password:$(#password).val()}, datatype:json, beforesend: function(){ showoverlay(); }, success:function(data){ if(data.success){ addcookie(username, $(#username).val(), 0); save(); location.href = /index.jsp; }else{ $(#overlay).hide(); $(#tip).text(用户名或密码错误，请重新登录！); return false; } } }); }