站长资源网络编程

用Ajax读取XML格式的数据

整理:jimmy2024/10/28浏览2
简介复制代码 代码如下: A</div> <div class="news_infos"><div id="MyContent"><P><U>复制代码</U> 代码如下:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"  <BR>    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">  <BR><html>  <BR><head>  <BR><title>Ajax Hello World</title>  <BR><script type="text/javascript">  <BR>var xmlHttp;  <br><br>function createXMLHttpRequest(){  <BR>    if(window.ActiveXObject){  <BR>        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");  <BR>    }  <BR>    else if(window.XMLHttpRequest){  <BR>        xmlHttp = new XMLHttpRequest();  <BR>    }  <BR>}  <br><br>function startRequest(){  <BR>    createXMLHttpRequest();  <BR>    try{  <BR>        xmlHttp.onreadystatechange = handleStateChange;  <BR>        xmlHttp.open("GET", "data.xml", true);  <BR>        xmlHttp.send(null);      <BR>    }catch(exception){  <BR>        alert("您要访问的资源不存在!");  <BR>    }  <BR>}  <br><br>function handleStateChange(){      <BR>    if(xmlHttp.readyState == 4){          <BR>        if (xmlHttp.status == 200 || xmlHttp.status == 0){  <BR>            // 取得XML的DOM对象  <BR>            var xmlDOM = xmlHttp.responseXML;  <BR>            // 取得XML文档的根  <BR>            var root = xmlDOM.documentElement;              <BR>            try  <BR>            {  <BR>                // 取得<info>结果  <BR>                var info = root.getElementsByTagName('info');  <BR>                // 显示返回结果  <BR>                alert("responseXML's value: " + info[0].firstChild.data);  <BR>            }catch(exception)  <BR>            {  <br><br>            }  <BR>        }  <BR>    }  <BR>}  <BR></script>  <BR></head>  <BR><body>  <BR>    <div>  <BR>        <input type="button" value="return ajax responseXML's value"  <BR>                onclick="startRequest();" />  <BR>    </div>  <BR></body>  <BR></html><BR><STRONG>server.xml<BR></STRONG><U>复制代码</U> 代码如下:<BR><?xml version="1.0" encoding="GB2312" ?>  <BR><root> <BR>    <info>hello world!</info> <BR></root><BR><BR></P></div> 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