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index.jsp：
<%@ page language="java" import="java.util.*" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script language="JavaScript" src="JS/AjaxRequest.js"></script> <script language="JavaScript"> </script> <title>起始页</title> </head> <body> <a href="test_.html">Map类型的request、session、application</a> </body> </html>
success.jsp：
<%@ page language="java" autoFlush="true" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="/struts-tags" prefix="s"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>成功提示页面</title> </head> <body> request范围内的info值： <font color="red"><%=request.getAttribute("info")%></font> <br> session范围内的info值： <font color="red"><%=session.getAttribute("info")%></font> <br> application范围内的info值： <font color="red"><%=application.getAttribute("info")%></font> </body> </html>
TestAction：
package com.home.web.action; import java.util.Map; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; public class TestAction extends ActionSupport { /** serialVersionUID. */ private static final long serialVersionUID = 1L; private Map<String, Object> request; private Map<String, Object> session; private Map<String, Object> application; @SuppressWarnings("unchecked") public TestAction() { ActionContext context = ActionContext.getContext(); request = (Map<String, Object>) context.get("request"); session = context.getSession(); application = context.getApplication(); } @Override public String execute() throws Exception { String info = "明日科技"; request.put("info", info); session.put("info", info); application.put("info", info); return SUCCESS; } }
struts.xml配置：
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <constant name="struts.i18n.encoding" value="UTF-8" /> <constant name="struts.devMode" value="false" /> <constant name="struts.i18n.reload" value="true" /> <constant name="struts.configuration.xml.reload" value="true" /> <constant name="struts.ognl.allowStaticMethodAccess" value="true" /> <constant name="struts.action.extension" value="html" /> <!-- 声明包 --> <package name="default" extends="struts-default" namespace="/"> <action name="test_*" class="com.home.web.action.TestAction" method="{1}"> <!-- 添加成功的映射页面 --> <result name="success">/pages/success.jsp</result> <!-- 修改成功的映射页面 --> <result name="error">/pages/error.jsp</result> </action> </package> </struts>
