<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!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>Insert title here</title> </head> <body> <% application.setAttribute("app", "application的内容"); session.setAttribute("ses", "会话的测试"); request.setAttribute("req", "request的内容"); application.setAttribute("ses", "123123"); session.setAttribute("app", "会话的测12313试"); %> <a href=""></a> <a href="test?userID=9999&date=123">下一个页面</a> <a href="testtag?userID=aaaaa">下一个页面</a> </body> </html>
<%@page import="java.util.Date"%> <%@page import="com.opensymphony.xwork2.util.ValueStack"%> <%@page import="com.opensymphony.xwork2.ActionContext"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags"%> <!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>Insert title here</title> </head> <body> <% ActionContext ac = ActionContext.getContext(); ValueStack vs = ac.getValueStack(); //弹出顶部的对象 //Date dt = (Date)vs.pop(); //得到顶部对象 //Date dt = (Date)vs.peek(); //out.print(dt); %> 使用OGNL访问值栈 <br><br> EL方式 ${date }<br> ${userID } <br> 访问map栈 ${sessionScope.ses } <br> 标签方式 <s:property value='[1]["date"]'/> <s:property value= "userID"/> <br> <s:property value="[1].date"/> <br> <s:property value="[0].userID"/> <br> 输出顶部对象 <s:property/> <br> 访问map栈 <s:property value="#session.ses"/> <br> <s:property value="#parameters.userID"/> <br> <s:property value= "#application.app"/> <br> <s:property value= "#request.req"/> <br> <s:property value= "#attr.ses"/> <br> 调用实例方法： 产生随机数=<s:property value="[0].nextInt(100)"/> <br> 调用静态属性和静态方法： 随机数=<s:property value="@java.lang.Math@random()"/> <br> PI=<s:property value="@java.lang.Math@PI"/> <br> 访问List类型的对象 <br> List的长度=<s:property value="[0].size()"/> <br> <s:property value="[0].get(0)"/> <br><br> 访问对象的集合属性 长度=<s:property value="[0].myList.size()"/> <br> 内容=<s:property value= "[0].myList[]"/> <br> 内容0=<s:property value= "[0].myList[0]"/> <br> 是否为空=<s:property value="[0].myList.isEmpty"/> <!-- 打印到界面 --> <s:debug></s:debug> </body> </html>