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使用XmlHttp结合ASP实现网页的异步调用

<%@ Language=VBScript %>
<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
</HEAD>
<script language="javascript">
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
function fnDo(ID)
{
    var xmlDom = new ActiveXObject("Msxml2.DOMDocument");         
    var strURL = "GetInfo.asp?ID=" + ID;
        
    xmlhttp.Open("POST",strURL , true);
    xmlhttp.onreadystatechange = fnRun;
        
    xmlhttp.Send(xmlDom);

    divTest.innerHTML = "Loading..."
}
//--------------------------------------------------------
function fnRun()
{
    var state = xmlhttp.readyState;
        
    var xmlDom = new ActiveXObject("Msxml2.DOMDocument");
        
    if (state == 4)
    {
        xmlDom.loadXML(xmlhttp.responseXML.xml);
        //alert(xmlDom.documentElement.selectSingleNode("//objXML").text)
        var getInfo = xmlDom.documentElement.selectSingleNode("//objXML").text;
        divTest.innerHTML = getInfo
    }        
}
</script>
<BODY>
<input type=button value="异步调用" οnclick="fnDo(document.all.txtInput.value)">
<input type=text id=txtInput>
<DIV id=divTest></DIV>

<P> </P>

</BODY>
</HTML>      
<%
Dim sID,objResult

sID = Trim(Request("ID"))
'sID = 28

Set objResult = Server.CreateObject("MSXML2.DOMDocument")
objResult.loadXML ("<objXML></objXML>")
'**************************************************************

'**************************************************************

objResult.selectSingleNode("objXML").text = "Get:" & sID

Response.ContentType = "text/xml"
objResult.save (Response)
Response.End

Set objSch = Nothing
Set objResult = Nothing
%>
asp microsoft vbscript generator function
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