XmlHttpRequest实例

fishbottle · 发表于 2013-2-7 20:39:20

<html xmlns="http://www.w3.org/1999/xhtml"><head><title>xmlhttprequest demo</title><script type="text/javascript" language="javascript">var xmlHttp;function createXmlHttpRequestObject(url){ try { xmlHttp = new XMLHttpRequest(); } catch(e) { var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0", "MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"); for(var i=0;i<XmlHttpVersions.length && !xmlHttp; i++) { try { xmlHttp = new ActiveXObject(XmlHttpVersions); } catch(e){} } } if(!xmlHttp) alert('Error creating the XMLHttpRequest object.'); else { xmlHttp.open("GET",url,true); xmlHttp.onreadystatechange = callback; xmlHttp.send(null); }}function callback(){ if(xmlHttp.readystate == 4) //successful { if(xmlHttp.status==200) //OK { Display(); } else { alert("error!"); } } else { document.getElementById("myTime").innerHTML="loading..." + new Date(); }}function Display(){ document.getElementById("myTime").innerHTML=xmlHttp.responseText;}</script></head><body><div id="myTime"></div><input id="Button1" type="button" value="获取内容" /></body></html>

参考：http://www.cnblogs.com/chy710/archive/2007/04/15/713868.html　

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