<div dir="ltr" style="text-align: justify;" trbidi="on">
<div dir="ltr" style="text-align: justify;" trbidi="on">In this tutorial, you will see the use of struts2 set tag. The set tag is a generic (Data) tag that is used to assign a value of property to another name in a specified scope</p>
<p> Struts 2 &#8220;set&#8221; tag is used to assign a value to a variable in a specified scope (application, session, request, page, or action), the action is the default scope.</p>
<p> <b>Create Action Class:</b><br />
<i><b>DataTagAction.java</b></i></p>
<pre class="highlight" name="code">package com.dineshonjava.struts2.action; 
 
import com.dineshonjava.struts2.bean.UserBean; 
import com.opensymphony.xwork2.ActionSupport; 
 
/** 
 * @author Dinesh Rajput 
 * 
 */ 
public class DataTagAction extends ActionSupport { 
 
 private static final long serialVersionUID = -7744420104547018874L; 
 private UserBean bean; 
 public String execute() { 
 return SUCCESS; 
 } 
 public UserBean getBean() { 
 return bean; 
 } 
 public void setBean(UserBean bean) { 
 this.bean = bean; 
 } 
} 
</pre>
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<p><b>Create Bean Class</b><br />
<i><b>UserBean.java</b></i></p>
<pre class="highlight" name="code">package com.dineshonjava.struts2.bean; 
 
/** 
 * @author Dinesh Rajput 
 * 
 */ 
public class UserBean { 
 private String userName = "Dinesh Rajput"; 
 private String userAge = "27"; 
 private String userPhone = "9874563210"; 
 private String userAddress = "Noida"; 
 public String getUserName() { 
 return userName; 
 } 
 public void setUserName(String userName) { 
 this.userName = userName; 
 } 
 public String getUserAge() { 
 return userAge; 
 } 
 public void setUserAge(String userAge) { 
 this.userAge = userAge; 
 } 
 public String getUserPhone() { 
 return userPhone; 
 } 
 public void setUserPhone(String userPhone) { 
 this.userPhone = userPhone; 
 } 
 public String getUserAddress() { 
 return userAddress; 
 } 
 public void setUserAddress(String userAddress) { 
 this.userAddress = userAddress; 
 } 
} 
</pre>
<p>
<b>Create View:</b><br />
<i><b>success.jsp</b></i></p>
<pre class="highlight" name="code"><;%@ page contentType="text/html; charset=UTF-8"%>; 
<;%@ taglib prefix="s" uri="/struts-tags"%>; 
<;html>; 
<;head>; 
<;title>;Set Data Tag Struts2 | dineshonjava.com<;/title>; 
<;/head>; 
<;body>; 
 <;h2>;An example of the set tag: <;/h2>; 
 <;s:bean name="com.dineshonjava.struts2.bean.UserBean" var="user">; 
 <;/s:bean>; 
 <;h4>;Simple use of set tag <;/h4>; 
 <;s:set name="name" value="#user.userName" />; 
 <;s:set name="age" value="#user.userAge" />; 
 <;s:set name="phone" value="#user.userPhone" />; 
 <;s:set name="address" value="#user.userAddress" />; 
 <;ol>; 
 <;li>;User Name : <;s:property value="name" />;<;/li>; 
 <;li>;User Age : <;s:property value="age" />;<;/li>; 
 <;li>;User Phone : <;s:property value="phone" />;<;/li>; 
 <;li>;User Address : <;s:property value="address" />;<;/li>; 
 <;/ol>; 
 <;h4>;Set value of property in session by set tag<;/h4>; 
 <;s:set name="name" value="#user.userName" scope="session"/>; 
 <;s:set name="age" value="#user.userAge" scope="session"/>; 
 <;s:set name="phone" value="#user.userPhone" scope="session"/>; 
 <;s:set name="address" value="#user.userAddress" scope="session"/>; 
 <;ol>; 
 <;li>;User Name : <;s:property value="#session['name']" />;<;/li>; 
 <;li>;User Age : <;s:property value="#session['age']" />;<;/li>; 
 <;li>;User Phone : <;s:property value="#session['phone']" />;<;/li>; 
 <;li>;User Address : <;s:property value="#session['address']" />;<;/li>; 
 <;/ol>; 
<;/body>; 
<;/html>; 
</pre>
<p><b>Configuration file for Struts2:</b><br />
<i><b>struts.xml</b></i></p>
<pre class="highlight" name="code"><;?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>; 
 <;constant name="struts.enable.DynamicMethodInvocation" value="false" />; 
 <;constant name="struts.devMode" value="false" />; 
 <;constant name="struts.custom.i18n.resources" value="myapp" />; 
 
 <;package name="default" extends="struts-default" namespace="/">; 
 <;action name="settag" class="com.dineshonjava.struts2.action.DataTagAction">; 
 <;result name="success">;/success.jsp<;/result>; 
 <;/action>; 
 <;/package>; 
 <;/struts>; 
</pre>
<p><b>Create<i> web.xml</i> file:</b></p>
<pre class="highlight" name="code"><;?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_3_0.xsd" id="WebApp_ID" version="3.0">; 
 <;display-name>;Struts2DataTag<;/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.jsp<;/welcome-file>; 
 <;/welcome-file-list>; 
<;/web-app>; 
</pre>
<p>
Right click on the project name and click <b>Export >; WAR</b> File to create a War file. Then deploy this WAR in the Tomcat&#8217;s webapps directory. Finally, start Tomcat server and try to access</p>
<p> <b>URL<i> http://localhost:8080/doj/settag.</i></b></p>
<p> This will give you following screen:</p>
<div class="separator" style="clear: both; text-align: center;"><img border="0" src="https://dineshonjava.com/wp-content/uploads/2013/08/111111.png" /></div>
<p>
</div>
<p><b>Download SourceCode</b><br />
<b><a href="https://sites.google.com/a/dineshonjava.com/dineshonjava/dineshonjava/SetDataTag.zip?attredirects=0&;d=1" target="_blank">SetDataTagExample.zip</a></b></p>
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