ssh获取session

墨蓝 2022-07-27 13:37 46阅读 0赞

// 第一种 很少用  
 public   class  LoginAction1  extends  ActionSupport \{  
      
     private  Map request;  
     private  Map session;  
     private  Map application;  
      
     public  LoginAction1() \{  
        request  =  (Map)ActionContext.getContext().get( " request " );  
        session  =  ActionContext.getContext().getSession();  
        application  =  ActionContext.getContext().getApplication();  
    \}  
      
     public  String execute() \{  
        request.put( " r1 " ,  " request1 " );  
        session.put( " s1 " ,  " session1 " );  
        application.put( " a1 " ,  " application1 " );  
         return  SUCCESS;   
    \}  
\}  
 **//第二种** **几乎都用这种方式，用这种**  
 public   class  LoginAction2  extends  ActionSupport  implements  RequestAware,SessionAware, ApplicationAware \{  
      
     private  Map < String, Object >  request;  
     private  Map < String, Object >  session;  
     private  Map < String, Object >  application;  
      
     // DI dependency injection  
     // IoC inverse of control   
      public  String execute() \{  
        request.put( " r1 " ,  " r1 " );  
        session.put( " s1 " ,  " s1 " );  
        application.put( " a1 " ,  " a1 " );  
         return  SUCCESS;   
    \}  
  
    @Override  
     public   void  setRequest(Map < String, Object >  request) \{  
         this .request  =  request;  
    \}  
  
    @Override  
     public   void  setSession(Map < String, Object >  session) \{  
         this .session  =  session;  
    \}  
  
    @Override  
     public   void  setApplication(Map < String, Object >  application) \{  
         this .application  =  application;  
    \}  
      
      
\}  
 // 第三种 很少用  
 public   class  LoginAction3  extends  ActionSupport \{  
      
     private  HttpServletRequest request;  
     private  HttpSession session;  
     private  ServletContext application;  
      
     public  LoginAction3() \{  
        request  =  ServletActionContext.getRequest();  
        session  =  request.getSession();  
        application  =  session.getServletContext();  
    \}  
      
     public  String execute() \{  
        request.setAttribute( " r1 " ,  " r1 " );  
        session.setAttribute( " s1 " ,  " s1 " );  
        application.setAttribute( " a1 " ,  " a1 " );  
         return  SUCCESS;   
    \}  
      
\}  
 // 第四种 很少用  
 public   class  LoginAction4  extends  ActionSupport  implements  ServletRequestAware \{  
      
     private  HttpServletRequest request;  
     private  HttpSession session;  
     private  ServletContext application;  
      
      
      
     public  String execute() \{  
        request.setAttribute( " r1 " ,  " r1 " );  
        session.setAttribute( " s1 " ,  " s1 " );  
        application.setAttribute( " a1 " ,  " a1 " );  
         return  SUCCESS;   
    \}  
  
  
  
    @Override  
     public   void  setServletRequest(HttpServletRequest request) \{  
         this .request  =  request;  
         this .session  =  request.getSession();  
         this .application  =  session.getServletContext();  
    \}  
      
\}