js监听关闭浏览器
<script type="text/javascript">
window.onbeforeunload = function() //author: meizz
{
window.location="http://localhost:8080/tt/servlet/tt?action=loginOut";
alert("关闭窗口之前");
}
window.onunload = function() //author: meizz
{
alert("关闭窗口");
}
</script>
String action = request.getParameter("action");
HttpSession session = request.getSession();
if("login".equals(action))
{
if(null == session.getAttribute("flag"))
{
session.setAttribute("flag", 1);
}
System.out.println("login \t:"+ session.getAttribute("flag"));
}
else if("loginOut".equals(action))
{
session.removeAttribute("flag");
System.out.println("loginOut \t:"+ session.getAttribute("flag"));
}
}