如何使用struts2中的request、response对象的方法

***************1.[一般推荐使用](只能获得request,而response则得不到)**********************

ActionContext.getContext().put("liuwei", "andy"); //request.setAttribute("liuwei", "andy");

Map map=ActionContext.getContext().getSession(); //session

map.put("username", "name");

 

*************2.[强烈推荐使用]***********

HttpServletRequest request = ServletActionContext.getRequest();

HttpServletResponse response = ServletActionContext.getResponse();

request.getSession().setAttribute("username","liuwei");

request.setAttribute("pass", "132");

 

*************3[一般不推荐](麻烦,与servlet API 耦合大).*****************

继承 implements ServletRequestAware

类中申明:private HttpServletRequest request;

实现接口的方法:

public void setServletRequest(HttpServletRequest request)

{

    this.request = request;

      }