Java清除session的方法

看这篇文章前你可以看看： session的关闭的机制 

第一种方法(继承SessionAware类来取得session,然后用invalidate()方法清理)

public class ExitAction extends ActionSupport implements SessionAware{

@Override

public String execute() throws Exception {

HttpServletRequest request = ServletActionContext.getRequest();

HttpSession session1 = request.getSession();

session1.invalidate();

return super.execute();

}

public void setSession(Map arg0) {

}

}

//第二种方法（用ActionContext取session,然后用clear()方法清理）

public class ExitAction extends ActionSupport{

@Override

public String execute() throws Exception {

ActionContext ac = ActionContext.getContext();

Map session = ac.getSession();

session.remove("buser");

session.remove("guser");

session.remove("fuser");

return super.execute();

}

}