Struts 2 - 日期标签
Date 日期标签允许快速轻松地格式化日期。用户可以指定自定义格式(例如"dd/MM/yyyy hh:mm")，可以生成易于阅读的符号(如"2 小时 14 分钟后")，或者只需使用属性文件中的键"struts.date.format"返回预定义格式即可。
创建操作类
package com.tutorialspoint.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;
}
}
创建视图
让我们拥有包含以下内容的 HelloWorld.jsp −
<%@ 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>
配置文件
您的 struts.xml 应如下所示 −
<?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.tutorialspoint.struts2.HelloWorldAction"
method = "execute">
<result name = "success">/HelloWorld.jsp</result>
</action>
</package>
</struts>
文件 web.xml 应类似于 −
<?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>
右键单击项目名称，然后单击导出 > WAR 文件以创建 War 文件。然后将此 WAR 部署到 Tomcat 的 webapps 目录中。最后，启动 Tomcat 服务器并尝试访问 URL http://localhost:8080/HelloWorldStruts2/hello.action。这将产生以下屏幕 −
struts_data_tags.html
