;(function(window, undefined){var CookieUtil = window.CookieUtil = window.CookieUtil || {};var doc = window.document;// 读取名称为name的Cookie信息CookieUtil.read = function(name){// 暂无Cookieif(doc.cookie.length <= 0){return null;}// 获取所有cookie信息var cookies = doc.cookie.split(';');var size = cookies.length, i, c;// 遍历查找要读取的cookie信息for(i = 0; i < size; i++){c = cookies[i].split('=');// 找到cookie，需要trim，写入的cookie自动添加了空格if($.trim(c[0]) == name){return unescape(c[1]);}}return null;};// 写入名称为name，值为value的Cookie信息，过期时间为timeout秒CookieUtil.write = function(name, value, timeout){var flg = timeout === undefined;var exp = flg ? 0 : timeout;// 获取过期时间var expires = new Date();expires.setSeconds(expires.getSeconds() + exp);// 写入Cookie信息doc.cookie = name + '=' + escape(value) + (flg ? '' : (';expires=' + expires.toGMTString()));};// 删除名称为name的Cookie信息CookieUtil.remove = function(name){CookieUtil.write(name, null, -1);};})(window);