spring MVC 获取全局Session

 1 /**
 2  * 获取全局Session
 3  * @return
 4  */
 5 @SuppressWarnings("unchecked")
 6 public static String findAdminFromSession(){
 7 try{
 8  HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
 9  Map<String,User> map =  (Map) WebUtils.getSessionAttribute(request,"user");
10  User user = map.get("userInfo");
11  return user!=null?(StringUtils.isNotBlank(user.getId())? user.getId(): null):null;
12 }catch(Exception e){
13 e.printStackTrace();
14 return null;
15 }
16 
17 }