Struts2 framework provide If, ElseIf and Else components to select the condition then give the output on the browser.
<s:if></s:if>
<s:elseif></s:elseif> 
<s:else></s:else>

The struts2 framework provide following tag ,

<s:if test="#studentlistStatus.even == true"></s:if>,
<s:elseif test="#studentlistStatus.first == true"></s:elseif>
<s:else></s:else>

 
Directory Structure of <s:if> & <s:elseif> tag Example in Struts 2.0 Using MyEclipse IDE



index.jsp

<%@taglib uri="/struts-tags" prefix="s"%>

<h1>If, Else, ElseIf tag example in struts2 framework</h1>
 
<s:set name="studentset" value="student"/>
 
<s:if test="%{#studentset=='boys'}">
	Boys Name is Mukund Singh.
</s:if>
<s:elseif test="%{#studentset=='girls'}">
    Girls Name is Babita Singh.
</s:elseif>
<s:else>
    Both Students Name Mukund Singh and Babita Singh.
</s:else>

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.IfElseAction">
<result name="success" type="dispatcher">/index.jsp</result>
</action>
</package>
</struts>  

IfElseAction.java

package org.r4r;

public class IfElseAction {
	String student="avd";
	public String execute(){
		return "success";
	}

	public String getStudent() {
		return student;
	}

	public void setStudent(String student) {
		this.student = student;
	}
}

Output





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