Struts 2 Hello World Example in Eclipse


Posted on : Tue, 15th Sep 15 06:50 am (Updated on : Tue, 15th Sep 15 06:50 am) GMT
Author : Code2care

In this program we will see how to create a "Hello World!" Example in Structs 2 in Eclipse IDE,

1. Right Click under Project Explorer and select New -> Dynamic Web Project


Caption : Creating Hello World! Project in Struts 2 using Eclipse IDE

2 . Project Name : HelloWorld, make sure you select the target runtime as the installed Apache Tomcat container version that you have installed on your system.


3 . Make sure you add the following jar files in WebContent -> WEB-INF -> lib folder :

commons-fileupload-1.3.1.jar

commons-io-2.2.jar

commons-lang-2.4.jar

commons-lang3-3.2.jar

commons-logging-api-1.1.jar

freemarker-2.3.19.jar

javassist-3.11.0.GA.jar

ognl-3.0.6.jar

struts2-core-2.3.20.1.jar

xwork-core-2.3.20.1.jar

4 . Create web.xml under WebContent -> WEB-INF folder,

File : web.xml Language : xml
<?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_2_5.xsd"
	id="WebApp_ID" version="2.5">
	<display-name>HelloWorld</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.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>

5. Create a package under Java Resource -> src folder, name it com.code2care.struct2


Create new Package


com.code2care.struts2

6. Create a java class file under com.code2care.struts2 called HelloWorldAction.java (this is our action class)

File : HelloWorldAction.java Language : Java
package com.code2care.struts2;

public class HelloWorldAction {

	private String name;

	public String execute() throws Exception {

		return "SUCCESS";

	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

}

7 . Create index.jsp under WEB-INF folder,

File : index.jsp Language : Jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
   pageEncoding="ISO-8859-1"%>
<%@ 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>
<title>Struts2 Hello World!</title>
</head>
<body>
   <h1>Struts2 : Hello world example in Eclipse </h1>
   <form action="helloform">
   
      <label for="name">Enter your name : </label>
           <input type="text" name="name"/><br/>
   </form>
</body>
</html>

8 . Create greetingsPage.jsp folder under WEB-INF folder,

File : greetingsPage.jsp Language : Jsp
<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>Struts 2 Hello world!</title>
</head>
<body>
  Hello <s:property value="name"/> !!
</body>
</html>

9 . Create classes folder under WebContent -> WEB-INF folder


classes folder

10 . Create struts.xml file under classes folder,

File : struts.xml Language : xml
<?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="helloform" class="com.code2care.struts2.HelloWorldAction"
			method="execute">
			<result name="SUCCESS">/greetingsPage.jsp</result>
		</action>
	</package>
</struts>


Hello world Program Output :


Output



Download :

  1. Hello world zip
  2. Hello world war

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