session的定义与使用

定义：class session {


    static Object getAttribute(String id) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }


    static void setAttribute(String id, int i) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
    

}

使用：

 String pw=request.getSession().getAttribute("id").toString();