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<script language="javascript">
  var XMLHttpReq;
  var cont=true;
//´´½¨XMLHttpRequest¶ÔÏó     
    function createXMLHttpRequest() {
if(window.XMLHttpRequest) { //Mozilla ä¯ÀÀÆ÷
XMLHttpReq = new XMLHttpRequest();
}
else if (window.ActiveXObject) { // IEä¯ÀÀÆ÷
try {
XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
}
  function sendPackaging(prjid)
{
    alert(prjid);
    createXMLHttpRequest();
        var url = 'http://localhost:8080//p//front//ZipProject?prjid='+prjid;
XMLHttpReq.open("GET", url,"_self");
XMLHttpReq.onreadystatechange = getPackaging;//Ö¸¶¨ÏìÓ¦º¯Êý
XMLHttpReq.send(null);
}
function getPackaging()
{
alert(XMLHttpReq.readyState);
if (XMLHttpReq.readyState == 4) { // Åж϶ÔÏó״̬
        if (XMLHttpReq.status == 200) { // ÐÅÏ¢ÒѾ­³É¹¦·µ»Ø£¬¿ªÊ¼´¦ÀíÐÅÏ¢
            } else { //Ò³Ãæ²»Õý³£
                window.alert("ÄúµÄÇëÇóÓÐÒì³£");
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