Step1: Install and Configure Maven We use Maven to describe this software project and to manage the dependencies.
1.- Download maven from http://maven.apache.org/download.html and extract it.
2.- Add MAVEN_HOME/bin to your PATH Step2: Create your Struts2 project
1.- Switch to your Eclipse Workspace.
cd workspace
2.- Create the project based on the struts2-archetype-convention archetype.
mvn archetype:generate -B -DgroupId=com.jgeppert.examples -DartifactId=struts2-example -DarchetypeGroupId=org.apache.struts -DarchetypeArtifactId=struts2-archetype-convention -DarchetypeVersion=2.3.24
3.- Maven downloads all needed ...
4.- Go into the new created folder struts2-example.
cd struts2-example
5.- Open pom.xml in an editor.
6.- Your project version is set to 1.0-SNAPSHOT
<version>1.0-SNAPSHOT</version>
7.- Be sure your Struts2 version in the pom.xml properties section is set to 2.3.24 or above.
<properties>
<struts2.version>2.3.24</struts2.version>
</properties>
8.- Build your blank application.
mvn install
9.- With the integrated maven jetty plugin you can run your web application and try it out.
mvn jetty:run
10.- Open `http://localhost:8080/struts2-example/`` in your Browser The Message "Struts is up and running..." should appear.
Step3: Create the Eclipse Project
1.- Open your Eclipse IDE.
2.- Install m2-eclipse and restart your IDE.
3.- Open the Import Dialog in your Eclipse IDE and import your created Project struts2-example.
Step4: Add the Struts2 jQuery Plugin to your Project
The Struts2 jQuery Plugin provides an easy Integration of jQuery into this Project.
1.- Open your pom.xml and edit your project properties to add the version of the Struts2 jQuery plugin.
<struts2.version>2.3.24</struts2.version>
<struts2jquery.version>3.7.1</struts2jquery.version>
</properties>
2.- Add the dependency for the Struts2 jQuery plugin
<dependency>
<groupId>com.jgeppert.struts2.jquery</groupId>
<artifactId>struts2-jquery-plugin</artifactId>
<version>${struts2jquery.version}</version>
</dependency>
3.- Create a new Action Class YourNameAction.java inside of the com.jgeppert.examples.actions package.
package com.jgeppert.examples.actions;
import com.opensymphony.xwork2.ActionSupport;
public class YourNameAction extends ActionSupport {
private String name;
public String execute() throws Exception {
if(name == null || name.length() < 3){
addActionError("Please enter valid name with more the 2 characters!");
return ERROR;
}
return SUCCESS;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
4.- Replace the content of hello.jsp
<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ taglib prefix="sj" uri="/struts-jquery-tags"%>
<html>
<head>
<title>My App</title>
<sj:head jquerytheme="start"/>
<style>
body {
font-family: Arial,sans-serif;
font-size: 9pt;
}
</style>
</head>
<body>
<h2>Please enter a Name</h2>
<s:form action="your-name" theme="xhtml">
<s:textfield name="name" label="Enter your Name"/>
<sj:submit
targets="result"
effect="highlight"
value="Submit"
button="true"
/>
</s:form>
<h3>AJAX Result</h3>
<div id="result"></div>
</body>
</html>
5.- Create a new JSP inside of your WEB-INF/content folder called your-name.jsp.
<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<h4>Welcome <s:property value="name"/>!</h4>
6.- Create a new JSP inside of your WEB-INF/content folder called your-name-error.jsp.
<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<s:actionerror theme="jquery"/>
7.- Run mvn install and mvn jetty:run.
8.- Open `http://localhost:8080/struts2-example/`` in your browser and our created form should be appear.
9.- Submit without enter a name. The error message should be visible inside of our defined target div without reloading the whole Page.
10.- Submit you form with an valid name.