XmlHttpRequest实例
<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
页:
[1]