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<html>
<head>
<title>AJAX教程实例-AJAX教程实例-ASP+AJAX+ACCESS数据库应用-阿里西西原创ajax实例教程</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<body>
<script>
var xmlHttp
function showCustomer(str)
{
var url="getcustomer.asp?sid=" + Math.random() + "&q=" + str
xmlHttp=GetXmlHttpObject(stateChanged)
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
}
function stateChanged()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{
document.getElementById("txtHint").innerHTML=xmlHttp.responseText
}
}
function GetXmlHttpObject(handler)
{
var objXmlHttp=null
if (navigator.userAgent.indexOf("Opera")>=0)
{
alert("This example doesn't work in Opera")
return;
}
if (navigator.userAgent.indexOf("MSIE")>=0)
{
var strName="Msxml2.XMLHTTP"
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP"
}
try
{
objXmlHttp=new ActiveXObject(strName)
objXmlHttp.onreadystatechange=handler
return objXmlHttp
}
catch(e)
{
alert("Error. Scripting for ActiveX might be disabled")
return
}
}
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest()
objXmlHttp.onload=handler
objXmlHttp.onerror=handler
return objXmlHttp
}
}
</script>
<form>请选择用户:
<select name="customers" onchange="showCustomer(this.value)">
<option value="1">阿里西西</option>
<option value="2">哇塞网</option>
<option value="3">收音机</option>
</select>
</form><p>
<div id="txtHint"><b>用户信息...</b></div>
</p></body>
</html>
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