//写入cookiefunction setCookie(name, value) { var Days = 30; //此 cookie 将被保存 30 天 var exp = new Date(); exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000); document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();}///删除cookiefunction delCookie(name) { var exp = new Date(); exp.setTime(exp.getTime() - 1); var cval = getCookie(name); if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString();}//读取cookiefunction getCookie(name) { var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)")); if (arr != null) return unescape(arr[2]); return null;}//===================== cookie相关 end ======================== ////===================== form 表单 序列化 插件 相关 beign ======================== //var $ = jQuery;(function($){ $.fn.serializeJson=function(){ var serializeObj={}; var array=this.serializeArray(); var str=this.serialize(); $(array).each(function(){ if(serializeObj[this.name]){ if($.isArray(serializeObj[this.name])){ serializeObj[this.name].push(this.value); }else{ serializeObj[this.name]=[serializeObj[this.name],this.value]; } }else{ serializeObj[this.name]=this.value; } }); return serializeObj; };})(jQuery);//===================== form 表单 序列化 插件 相关 end ======================== ////===================== 回车触发 子页面 查询事件 相关 beign ======================== //// 主框架页上增加 回车触发frame子页 查询动作 (仅当子页面有 .btnSearch的按钮时才触发)jQuery(window.document).keyup(function (event) { if(event.which == ‘13‘) { var jBtn = jQuery(".btnSearch"); if (jBtn.length > 0) { jBtn.click(); } }});原文：http://www.cnblogs.com/yangpeng-jingjing/p/6650483.html