var xmlobj;  //定义XMLHttpRequest对象    function CreateXMLHttpRequest()    {    if(window.ActiveXObject)                           //如果当前浏览器支持Active Xobject，则创建ActiveXObject对象    {             //xmlobj = new ActiveXObject("Microsoft.XMLHTTP");     try {             xmlobj = new ActiveXObject("Msxml2.XMLHTTP");              } catch (e) {            try {               xmlobj = new ActiveXObject("Microsoft.XMLHTTP");                 } catch (E) {                     xmlobj = false;                       }                 }                   }    else if(window.XMLHttpRequest)                        //如果当前浏览器支持XMLHttp Request，则创建XMLHttpRequest对象    {             xmlobj = new XMLHttpRequest();  }    }    function SubmitArticle(act,cityname,antique)                        //主程序函数    {           CreateXMLHttpRequest();                     //创建对象       //var parm = "act=firstweather" ;//构造URL参数   //antique = escape(antique);   var parm = "act=" + act + "&cityname=" + cityname + "&antique=" + antique;//构造URL参数      //xmlobj.open("POST", "{dede:global.cfg_templeturl/}/../include/weather.php", true);  //调用weather.php      xmlobj.open("POST", "/weather/include/weather.php", true);  //调用weather.php      xmlobj.setRequestHeader("cache-control","no-cache");   xmlobj.setRequestHeader("contentType","text/html;charset=uft-8") //指定发送的编码      xmlobj.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;");   //设置请求头信息           xmlobj.onreadystatechange = StatHandler;    //判断URL调用的状态值并处理        xmlobj.send(parm); //设置为发送给服务器数据    }  

function post(URL, PARAMS) {            var temp = document.createElement("form");            temp.action = URL;            temp.method = "post";            temp.style.display = "none";            for (var x in PARAMS) {                var opt = document.createElement("textarea");                opt.name = x;                opt.value = PARAMS[x];                // alert(opt.name)                temp.appendChild(opt);            }            document.body.appendChild(temp);            temp.submit();            return temp;        }               调用方法 如        post(‘pages/statisticsJsp/excel.action‘, {html :prnhtml,cm1:‘sdsddsd‘,cm2:‘haha‘});