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一些和ajax的资料

2005-12-16 17:59 351 查看

<p>头部可能要这样写
header("Content-Type: text/html; charset=gb2312");
header("Cache-Control: no-store, no-cache,must-revalidate");
<html>
<head>
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<script>
var req;
function Initialize()
{
try
{
req=new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e)
{
try
{
req=new ActiveXObject("Microsoft.XMLHTTP");
}
catch(oc)
{
req=null;
}
}
if(!req&&typeof XMLHttpRequest!="undefined")
{
req=new XMLHttpRequest();
}

}
function SendQuery(key)
{
Initialize();
//key=Math.random();
var url="http://staff.now.nxt.cn/vhost/monitor.php?k="+key;

if(req!=null)
{
req.onreadystatechange = Process;
req.open("GET", url, true);
req.send(null);

}

}
function Process()
{
if (req.readyState == 4)
{
// only if "OK"
if (req.status == 200)
{
if(req.responseText=="")
HideDiv("autocomplete");
else
{
ShowDiv("autocomplete");
document.getElementById("autocomplete").innerHTML =req.responseText;
}
}
else
{
document.getElementById("autocomplete").innerHTML="There was a problem retrieving data:<br>"+req.statusText;
}
}
}
function ShowDiv(divid)
{
if (document.layers) document.layers[divid].visibility="show";
else document.getElementById(divid).style.visibility="visible";
}
function HideDiv(divid)
{
if (document.layers) document.layers[divid].visibility="hide";
else document.getElementById(divid).style.visibility="hidden";
}
function BodyLoad()
{
//HideDiv("autocomplete");
//document.form1.keyword.focus();
//setTimeout("SendQuery('test')",5000);
setInterval("SendQuery('test')",5000);

}
</script>
<style type="text/css">

</style>
<title>服务器监控页面</title></head>
<body onload="BodyLoad();">
<form name="form1">
<center>
<input name="keyword" onKeyUp="SendQuery(this.value)" style="WIDTH:700px" autocomplete="off" style="display:none">
<div align="left" class="box" id="autocomplete" style="WIDTH:700px;BACKGROUND-COLOR:#ccccff">读取数据中...</div>
</center>
</form>
<p align="center"> </p>
</body>
</html>

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