struts2 添加或访问request,session ,application 的属性

            //1. 添加或访问request,session ,application 的属性
            ActionContext actionContext = ActionContext.getContext();
            // application scope
            actionContext.getApplication().put("", null);
            // session scope
            actionContext.getSession().put("", null);
            // request scope
            actionContext.put("LOGINUSER", employeeResult);

 

 

            // 2.获取HttpServletRequest/HttpSession /servletContext/HttpServletResponse 对象
            HttpServletRequest request = ServletActionContext.getRequest();
            ServletContext servletContext = ServletActionContext
                    .getServletContext();
            HttpSession session = request.getSession();
            HttpServletResponse response = ServletActionContext.getResponse();