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大家好，我必须与外部服务器建立连接才能通过 XMLHTTPRequest 请求数据。我已经创建了一个页面，但是当我发送请求时返回此错误：

错误！解析器：请求 XML（oracle.xml.parser.v2.XMLParseException：应从根元素开始。错误编号：4001）

我不知道是解析问题还是字符问题或其他问题。这是我的脚本代码：

<script type="text/javascript">
var req = null ;
var firsttime = false;

function sendRequest(){
    var urlStr="http://mylink.it";
    var xmlString="";
    xmlString="<?xml version='1.0' encoding='UTF-8'?><BOOKING type='COR' lang='it-IT' returnURLNeed='no' returnURL='http://' AGENTCODE='XXXX' AGENTPASSWORD='YYYY' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:noNamespaceSchemaLocation='http://link/schema/CountryRequestV6Snd.xsd'><DATA ALL_COUNTRIES='YES'/></BOOKING>";
    createHTTPRequestObject();
    var resp = getResponseText(urlStr+"?"+xmlString,null);

}

function createHTTPRequestObject(){
    req=null ;
    var pXmlreq = false ;
    if (window.XMLHttpRequest) {
        pXmlreq = new XMLHttpRequest();
    } 
    else if (window.ActiveXObject) {
        try{
            pXmlreq = new ActiveXObject("Msxml2.XMLHTTP");
        } 
        catch (e1) {
            try{
                pXmlreq = new ActiveXObject("Microsoft.XMLHTTP");
            } 
            catch (e2) {
            }
        }
    }
    req = pXmlreq ;
}



function getResponseText(action,query,method,async,contenttype){
    if(method==null){
        method="POST";
    }
    if(async==null){
        async="true";
    }
    if(contenttype==null){
        contenttype = "application/x-www-form-urlencoded";
    }
    console.log("open");
    req.onreadystatechange= function() { 
        if (req.readyState == 1) {
            if (firsttime==false){
                firsttime = true;
                req.setRequestHeader("Content-Type", contenttype);
                if(query){
                    console.log("send request");
                    req.send(query);
                }else{
                    console.log("send request2");
                    req.send();
                }
            }
       }
       if (req.readyState >= 4) {
            var serverResponse = req.responseText;
            console.log(serverResponse);
       }
    }
    req.open(method,action, async);
}
</script>

我的发帖请求 POST

/trlink/link1/trlink?<?xml%20version='1.0'%20encoding='UTF-8'?><BOOKING%20type='COR'%20lang='it-IT'%20returnURLNeed='no'%20returnURL='http://'%20AGENTCODE='XXX'%20AGENTPASSWORD='YYY'%20xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'%20xsi:noNamespaceSchemaLocation='http://link/CountryRequestV6Snd.xsd'><DATA%20ALL_COUNTRIES='YES'/></BOOKING> HTTP/1.1

4

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