<html> <head> <title>Ajax Hello World</title>
<script type="text/javascript">
var xmlHttp;
function createXMLHttpRequest()
{
if(window.ActiveXObject)
{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if(window.XMLHttpRequest)
{
xmlHttp = new XMLHttpRequest();
}
}
function startRequest()
{
createXMLHttpRequest();
try
{
xmlHttp.onreadystatechange = handleStateChange;
xmlHttp.open("GET", "data.xml", true);
xmlHttp.send(null);
}
catch(exception)
{
alert("您要訪問的資源不存在!");
}
}
function handleStateChange()
{
if(xmlHttp.readyState == 4)
{
if (xmlHttp.status == 200 || xmlHttp.status == 0)
{
// 取得XML的DOM對象
var xmlDOM = xmlHttp.responseXML; // 取得XML文檔的根
//var res=document.getElementById("res");
//res.innerHTML=xmlDOM.documentElement;
var root = xmlDOM.documentElement;
try
{ // 取得<info>結果
var info = root.childNodes; // 顯示返回結果
for(var i=0;i<info.length;i++)//遍曆輸出
alert("responseXML's value: " + info[i].text);
}
catch(exception)
{ }
}
}
}
</script></head><body><div><input type="button" value="return ajax responseXML's value" onclick="startRequest();" /> </div>
<div id="res"></div></body></html>
data.xml<?xml version="1.0" encoding="GB2312" ?>
<root>
fff
<info>hello world!</info>
<goods>hello1</goods>
<goods>hello2</goods>
</root>
