日期:2014-05-16 浏览次数:20560 次
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<script type="text/javascript">
var urls = { "Button1": "/ajax/demo_get1.asp?fname=Bill&lname=Gates",
"Button2": "/ajax/demo_get2.asp?fname=Bill&lname=Gates",
"Button3": "/ajax/demo_get3.asp?fname=Bill&lname=Gates",
"Button4": "/ajax/demo_get4.asp?fname=Bill&lname=Gates" };
function loadXMLDoc(t) {
alert(urls[t.id]);
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
}
else {// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("GET", urls[t.id], true);
xmlhttp.send();
}
</script>
</head>
<body>
<h2>AJAX</h2>
<button type="button" id="Button1" onclick="loadXMLDoc(this)">请求数据</button>
<button type="button" id="Button2" onclick="loadXMLDoc(this)">请求数据</button>
<button type="button" id="Button3" onclick="loadXMLDoc(this)">请求数据</button>
<button type="button" id="Button4" onclick="loadXMLDoc(this)">请求数据</button>
<div id="myDiv"></div>
</body>
</html>