HelloWorld -- 最简单的 STRUTS2 应用

carset

web.xml 配置


?xml version="1.0" encoding="UTF-8"?>
!--
    Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
    Use is subject to license terms.
-->
web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    display-name>hello/display-name>
    distributable />
    filter>
        filter-name>struts-cleanup/filter-name>
        filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp/filter-class>
    /filter>
    filter-mapping>
        filter-name>struts-cleanup/filter-name>
        url-pattern>/*/url-pattern>
    /filter-mapping>
    filter>
        filter-name>struts/filter-name>
        filter-class>
            org.apache.struts2.dispatcher.FilterDispatcher
        /filter-class>
    /filter>
    filter-mapping>
        filter-name>struts/filter-name>
        url-pattern>/*/url-pattern>
    /filter-mapping>
   
    welcome-file-list>
        welcome-file>index.html/welcome-file>
    /welcome-file-list>
/web-app>

struts.xml 配置


?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="false" />
    constant name="struts.action.extension" value="html" />
    package name="eicp" namespace="/" extends="struts-default">
        action name="index" class="HelloWorld">
            result name="sucess">/resource/index.jsp/result>
        /action>
    /package>
/struts>

HelloWorld 类

public class HelloWorld {
   
    private static final String Message="Hello World";
   
    private static final String SUCCESS = "sucess";
   
   
    public String getMessage() {
        return Message;
    }
   
    public String execute ( ) {   
            
            return SUCCESS;
   
        }
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
    }
}

index.jsp 使用的视图文件

%@taglib prefix="s" uri="/struts-tags" %>
?xml version="1.0" encoding="UTF-8" ?>
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
html xmlns="http://www.w3.org/1999/xhtml">
head>
meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
title>Insert title here/title>
/head>
body>
s:property value="getMessage()"/>
a href="">index/a>
br/>
/body>
/html>


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