Struts2 framework provide iterator component to iterate all element which are add in the list.

<s:iterator></s:iterator>

The struts2 framework provide following tag:

<s:iterator value="studentlist" var="student">
  <li><s:property /></li>
</s:iterator>

 
Directory Structure of <s:iterator> tag Example in Struts 2.0 Using MyEclipse IDE



index.jsp

<%@taglib uri="/struts-tags" prefix="s"%>
<h1>Iterator tag example in struts2 framework</h1>
 
<h3>Simple Iterator</h3>
<ol>
<s:iterator value="studentlist">
  <li><s:property /></li>
</s:iterator>
</ol>
 
<h3>Iterator with IteratorStatus</h3>
<table>
<s:iterator value="studentlist" status="studentlistStatus">
  <tr>
  	<s:if test="#studentlistStatus.even == true">
      <td style="background: #CCCCCC"><s:property/></td>
    </s:if>
    <s:elseif test="#studentlistStatus.first == true">
      <td><s:property/> (This is first value) </td>
    </s:elseif>
    <s:else>
      <td><s:property/></td>
    </s:else>
  </tr>
</s:iterator></table>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  
  <filter>
  <filter-name>f1</filter-name>
  <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
  </filter>
  <filter-mapping>
  <filter-name>f1</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration
2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="demo" extends="struts-default">
<action name="" class="org.r4r.IteratorAction">
<result name="success" type="dispatcher">/index.jsp</result>
</action>
</package>
</struts>

IteratorAction.java

package org.r4r;

import java.util.ArrayList;
import java.util.List;

public class IteratorAction {
	List<String> studentlist;
	
	public String execute(){
		studentlist=new ArrayList<String>();
		studentlist.add("Mukund Singh");
		studentlist.add("Harsh Vardhan");
		studentlist.add("Somaru Ram");
		studentlist.add("Pramod Shakya");
		studentlist.add("Sushant Tiwari");
		studentlist.add("Gaurav Seth");
		return "success";
	}

	public List<String> getStudentlist() {
		return studentlist;
	}

	public void setStudentlist(List<String> studentlist) {
		this.studentlist = studentlist;
	}
	

}

Output





Struts 1.3 Tutorial and Example
Spring 2.5 Tutorial and Example
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Spring 2.5 MVC Example