date标签允许在一个快速和容易的方式格式化日期。用户可以指定自定义的格式(如“dd/ mm / yyyy hh:mm”),可以产生容易可读的符号(如“2小时,14分钟),或预定义的格式就可以求助于键struts.date.format'在属性文件中。
package com.h3.struts2; import java.util.*; public class helloworldaction{ private date currentdate; public string execute() throws exception{ setcurrentdate(new date()); return "success"; } public void setcurrentdate(date date){ this.currentdate = date; } public date getcurrentdate(){ return currentdate; } }
以下helloworld.jsp的内容:
<%@ page contenttype="text/html; charset=utf-8" %> <%@ taglib prefix="s" uri="/struts-tags" %> <html> <head> <title>hello world</title> </head> <body> <h2>current date</h2> <h3>day/month/year format</h3> <s:date name="currentdate" format="dd/mm/yyyy" /> <h3>month/day/year format</h3> <s:date name="currentdate" format="mm/dd/yyyy" /> </body> </html>
struts.xml 应该像这样:
<?xml version="1.0" encoding="utf-8"?> <!doctype struts public "-//apache software foundation//dtd struts configuration 2.0//en" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devmode" value="true" /> <package name="helloworld" extends="struts-default"> <action name="hello" class="com.h3.struts2.helloworldaction" method="execute"> <result name="success">/helloworld.jsp</result> </action> </package> </struts>
web.xml 应该像这样:
<?xml version="1.0" encoding="utf-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemalocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="webapp_id" version="3.0"> <display-name>struts 2</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <filter> <filter-name>struts2</filter-name> <filter-class> org.apache.struts2.dispatcher.filterdispatcher </filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
右键点击项目名称,并单击 export > war file创建一个war文件。然后部署此war在tomcat的webapps目录下。最后,启动tomcat服务器和尝试访问url http://localhost:8080/helloworldstruts2/hello.action。这会给出以下画面: