struts2中訪問request和session

第一種方法：

 

Request:

通過com.opensymphony.xwork2 .ActionContext類以及org.apache.struts 2 .ServletActionContext類

HttpServletRequest request = ServletActionContext.getRequest ();

ActionContext context= ActionContext.getContext()

HttpServletRequest request =(HttpServletRequest )ct.get(ServletActionContext.HTTP_REQUEST );

 

Session：

Map session=ActionContext.getSession();

Map session=(Map)ActionContext.getContext().get(ActionContext.SESSION);

 

注：sturt2中session都被封裝成了Map類型，我們稱之爲SessionMap如果我們想得到原始的HttpSession可以首先得到HttpServletRequest 對象,然後通過request .getSession()來取得原始的HttpSession對象。一般情況下SessionMap已經可以完成所有的工作，我們不必再去碰底層的session了。

 

第二種方法：

 

 

public class TestAction implements ServletRequestAware, ServletResponseAware { protected HttpServletRequest request; protected HttpServletResponse response; protected HttpSession session; @Override public void setServletRequest(HttpServletRequest httpServletRequest) { this.request = httpServletRequest; this.session = httpServletRequest.getSession(); } @Override public void setServletResponse(HttpServletResponse httpServletResponse) { this.response = httpServletResponse; } }