Close the browser to automatically exit the account

Front Desk:
//When the page is closed, the method is triggeredTo do what you want in this method.
window.onbeforeunload=function () {
alert ("Close browser");
        }
//But it will also be triggered after the refresh

Backstage:
Sessionscanner Scan session exists to determine whether to exit
    
a) when there is a session in the sessionlist, it is possible to use a timer to detect the HttpSession of the collection at a certain time ,
If it is useless, it is removed from the collection and the HttpSession is destroyed.
b) To take into account the user's normal and non-normal way of safe exit

Close the browser to automatically exit the account