jsp頁面：
<div?id="welcome">歡迎<%=session.getAttribute("loginUserNane")%>使用本系統(tǒng)</div>

SuperAction：
public?void?setServletRequest(HttpServletRequest?request)?{
????????this.request=request;
????????this.session=request.getSession();
????}

????UsersAction:
????//用戶登錄動作
????public?String?login(){
????????UsersDAO?udao=new?UsersDAOImpl();
????????if(udao.usersLogin(user))
????????{
????????????//在session中保存登陸成功的用戶名
????????????session.setAttribute("loginUserName",user.getUsername());
????????????//request.setAttribute("loginUserName",?user.getUsername());
????????????return?"login_success";
????????????
????????}