struts2 Action中获取request, response,session对象的方法

ActionContext ac = ActionContext.getContext();     

 

1获取request 对象：

       （1）。HttpServletRequest request = (HttpServletRequest)ac.get(ServletActionContext.HTTP_REQUEST); （别忘了导包）      

       （2）。Map request = (Map) ActionContext.getContext().get("request");

       （3）。接口ServletRequestAware

                protected HttpServletRequest request;
                public void setServletRequest(HttpServletRequest request) {
                this.request = request;
                }

 

2获取response对象：

        （1）。HttpServletResponse response=(HttpServletResponse)ac.get (ServletActionContext.HTTP_RESPONSE)（别忘了导包）   

        （2）。Map response= (Map) ActionContext.getContext().get("response");

        （3）。 接口ServletResponseAware

             protected HttpServletResponse response;
             public void setServletResponse(HttpServletResponse response) {
             this.response = response;
             }

 

3获取session对象：

       （1）。Map session = ac.getSession();

       （2）。接口SessionAware 

          protected Map<String, Object> session;
          public void setSession(Map<String, Object> session) {
          this.session = session;
          }