Struts2根据Session判断用户是否登陆

1. private HttpServletRequest request;
  
   request=ServletActionContex.getRequest();
 HttpSession session=request.getSession();
 User loginUser=session.getAttribute("loginUser");//得到登陆用户
 if(null==loginUser||loginUser.equals(null)){
  this.addFieldError("loginerror","您还没有登录或者登录已经超时!");
  return LOGIN;
 } 

2.
  Map session=ActionContext.getContext().getSession();
 User user=(User)session.get("loginUser");
 if(null==loginUser||loginUser.equals(null)){
  this.addFieldError("loginError","您还没有登录或者登录已经超时!");
  return LOGIN:
 }

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转载自blog.csdn.net/fpx157/article/details/5955267
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