第一个Struts2程序-Hello
1.创建web工程struts2-01-Hello
2.导入jar包到bin目录,jar地址:
https://files.cnblogs.com/files/aihuadung/struts%E6%89%80%E9%9C%80jar%E5%8C%85.zip
3.配置web.xml文件
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app id="WebApp_ID"> <display-name>struts2_01_Hello</display-name> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
4.src目录下创建struts.xml文件
5.在index.jsp文件中插入
<a href="hello.action" method="post">hello.action</a> <br>
6.创建执行HelloAction的结果文件hello.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>hello</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> hello World <br> </body> </html>
7.创建HelloAction.java
package com.ahd.action; import com.opensymphony.xwork2.Action; import com.opensymphony.xwork2.ActionSupport; public class HelloAction{ public String execute() throws Exception { // TODO Auto-generated method stub return “SUCCESS”; } }
8.编辑struts2.xml文件
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <package name="helloWorld" extends="struts-default" namespace="/"> <action name="hello" class="com.ahd.action.HelloAction"> <result name="success">/hello.jsp</result> </action> </package> </struts>
9.运行结果
点击后