有两个办法
1)通过HttpSessionListener ,的created加入sessionmap,再到destroyed进行销毁
public class SessionListener implements HttpSessionListener {
public void sessionCreated(HttpSessionEvent event) {
}
public void sessionDestroyed(HttpSessionEvent event) {
}
}
2)另一种办法通过HttpSessionBindingListener, valueBound加入sessionmap,再到valueUnbound进行销毁
未完待续~~