<script type="text/javascript">
var READYTOPROCESS = false;
window.onbeforeunload = function closeWindow(e)
{
if (!READYTOPROCESS)
{
//message to be returned to the popup box.
var message = '你确定要关闭吗？',
e = e || window.event;
if (e)
e.returnValue = message; // IE
return message; // Safari
}
};
</script>
<body onbeforeunload="checkLeave()">
<script>
function checkLeave(){
alert("确认退出??")
asdasd();
event.returnValue="确定离开当前页面吗？";
}
function asdasd(){
alert("asfsaf");
xmlhttp = null;
if (window.XMLHttpRequest) {
xmlhttp = new XMLHttpRequest();
} else if (window.ActiveXObject) {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
alert(xmlhttp.responseText)
}
}
xmlhttp.open("post", "loginOut");
xmlhttp.setRequestHeader("content-type", "application/x-www-form-urlencoded")
xmlhttp.send("username=011011&password=12511");
}
</script>
</body>
