Struts2_访问或添加request等属性

Struts2_访问或添加request等属性

/WEB-INF/page/hello.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%@ taglib uri="prefix="c"%> ${applicationScope.app }
${sessionScope.ses }
${requestScope.req}
==========================================
${name }

package cn.itcast.f_action;import java.util.Arrays;import javax.servlet.ServletContext;import javax.servlet.org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.ActionContext;public class HelloWorldAction { public String execute() { ActionContext act = ActionContext.getContext(); act.getApplication().put("app", "应用范围");// 往ServletContext里放入app act.getSession().put("ses", "session范围");// 往Session里放入ses act.put("req", "request范围");// 往request里放入req act.put("names", Arrays.asList("小明", "小刚", "小红"));// 表单标签 return "message"; } public String rsa() { HttpServletRequest request = ServletActionContext.getRequest(); ServletContext servletContext = ServletActionContext.getServletContext(); request.setAttribute("req", "请求范围属性"); request.getSession().setAttribute("ses", "会话范围属性"); servletContext.setAttribute("app", "应用范围属性"); return "message"; }}

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