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Saturday, 24 August 2013

Struts 2 HelloWorld Simple Example

05:06

In this example we will see how to create a simple helloworld application using Struts 2 framework

Environment Used

Java 1.7

Eclipse Juno

Apache Tomcat 7

Struts 2 Jars

1. Create a dynamic web project in Eclipse

Create a Dynamic web project in Eclipse and configure apache tomcat as Server. Once it is created download Struts 2 jars and place in to WEB-INF/lib folder. Here is the final structure of the project. (Click here to download this example with jars)

image

2. Update Web.xml file

Add Struts servlet details in to web.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>Struts2HelloWorldExample</display-name>
    <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>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>
</web-app>

3. Create an Action class (HelloWorldAction.java)

package com.vinod.test;
import com.opensymphony.xwork2.ActionSupport;
 
public class HelloWorldAction extends ActionSupport {
    private String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String execute() {
        setName("Hello "+name+" Welcome to Struts 2");
            return SUCCESS;
    }
}

4. Create a JSP page (index.jsp)

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<body>
<s:form action="helloaction">
    <s:textfield name="name" label="Enter Your Name" /><br>    
    <s:submit value="Submit" align="center" />
</s:form>
</body>
</html>

5. Create Success.jsp

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head></head>
<body>
    <h4>
    <s:property value="name" />
    </h4>
 </body>
</html>

6. Create Struts.xml file

<?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>
    <include file="struts-default.xml"/>
    <package name="com" extends="struts-default">
        <action name="helloaction" class="com.pretech.HelloWorldAction">
            <result name="success">/success.jsp</result>
        </action>
    </package>
</struts>

7. Deploy application in tomcat server

Run the application and give your name for input

image

image

Download Application

Struts 2 Helloworld Example

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