Struts 2 Generator Tag Example

Struts 2 generator tag takes inline array or list of values and pass to the s:iterator to loop through the list of values.

1. Create Struts 2 Action

Create  action class.


public class Struts2ExampleAction{
   private String lang;

   public String execute() throws Exception {
      return "success";

   public String getLang() {
      return lang;

   public void setLang(String lang) {
      this.lang = lang;

2. Generator Tag Example

Write JSP with generator tag to display the list of values.

<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<title>Generator Tag Example</title>

<h2>Example of Generator Tag</h2>
<h3>List of languages:</h3>

<s:generator val="%{'Java, Groovy, Scala, Ceylon, C++'}" count="5"
      <s:property /><br/>


3. Struts.xml configurations

Write struts.xml configuration file.

<?xml version="1.0" encoding="UTF-8"?>
   "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
	<constant name="struts.devMode" value="true" />
	<package name="tags" extends="struts-default">
		<action name="struts2example" class=""
					<result name="success">/Generator.jsp</result>

4. Run the application

If you access the application http://localhost:8080/Struts2App/struts2example.action. You would see the following output in your screen.

Struts 2 Generator Example

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