XMLHttpRequest 对象获取服务端数据
我们可以使用 XMLHttpRequest对象的ResponseXML属性获取服务器端数据。需要注意的是,ASP.NET 文件 index.aspx 的contentType 必须是 text/xml ,XMLHttpRequest.ResponseXML属性才能解析成XML文件流。
html 文件
JS 文件
html 文件
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<title></title>
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<script language="javascript" src="JScript1.js"></script>
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</head>
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<body>
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<input type="text" id="InputID">
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<input type="button" value="OK" onclick="ChangeValue();"> <br>
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<div id="showHot"></div>
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</body>
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</html>
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JS 文件
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function ajaxRequest(){
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Ajax = false;
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try{
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Ajax = new XMLHttpRequest();
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}catch(ee){
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try{
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Ajax = new ActiveXObject("Msxml.XMLHTTP");
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}catch(e){
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try{
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Ajax = new ActiveXObject("Msxml.XMLHTTP");
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}catch(e){
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try{
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Ajax = new ActiveXObject("Microsoft.XMLHTTP");
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}catch(E){
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Ajax = false;
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}
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}
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}
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}
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}
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function getAjaxValue(strUserID){
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ajaxRequest();
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if(!Ajax){
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alert("Ajax its not working");
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return;
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}
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var xmlValue = new String();
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Ajax.open("GET", "index.aspx?userid="+strUserID,false)
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Ajax.send(null);
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var xmldoc = Ajax.responseXML.getElementsByTagName("div");
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if(xmldoc.length > 0)
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{
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for(var i=0;i<xmldoc.length;i++)
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{
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xmlValue += (i+1) +". "+ xmldoc[i].firstChild.data + "<br>";
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}
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}
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return xmlValue;
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}
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function ChangeValue()
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{
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var strvalue = "";
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strvalue = document.getElementById("InputID").value;
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var setValue = document.getElementById("showHot");
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setValue.innerHTML = getAjaxValue(strvalue);
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}
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