Struts 2 s:hidden UI tag

<s:hidden>:

The <s:hidden> tag is used to create a HTML hidden field.

Syntax: <s:hidden name=”fieldName” value=”fieldVale”/>

Example:

test.jsp

<%@ taglib uri="/struts-tags" prefix="s"%>
<html>
	<head>
		<title>Struts 2 s:hidden UI tags example</title>
	</head>
	<body>
		<h3>This is a s:hidden UI tags example.</h3>
 
		<s:property value="message" /> <br/>
 
		<s:form action="hiddenTest">
			<s:hidden name="website" 
                                    value="www.javawithease.com"/>
			<s:submit value="Submit"/>
		</s:form>
 
	</body>
</html>

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>struts2</filter-name>
	  <filter-class>
        	org.apache.struts2.dispatcher.ng.
        	filter.StrutsPrepareAndExecuteFilter
          </filter-class>
	</filter>
 
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
 
	<welcome-file-list>
	  <welcome-file>test.jsp</welcome-file>
	</welcome-file-list>
 
</web-app>

struts.xml

<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
 
<struts>
 
	<package name="user" extends="struts-default">
		<action name="hiddenTest" 
                         class="com.javawithease.action.HiddenTest">
			<result name="success">/welcome.jsp</result>
		</action>
	</package>
 
</struts>

HiddenTest.java

import com.opensymphony.xwork2.ActionSupport;
 
/**
 * This class is used as an action class.
 * @author javawithease
 */
public class HiddenTest extends ActionSupport{
	//data members
	private String website;
 
	//business logic
	public String execute(){
		return SUCCESS;	
	}
 
	//getter setters
	public String getWebsite() {
		return website;
	}
 
	public void setWebsite(String website) {
		this.website = website;
	}		
}

welcome.jsp

<%@ taglib uri="/struts-tags" prefix="s"%>
<html>
	<head>
		<title>Struts 2 s:hidden UI tags example</title>
	</head>
	<body>
		<h3>This is a s:hidden UI tags example.</h3>
 
		Hidden field value: <s:property value="website" />
 
	</body>
</html>

Output:

struts 29 first
 
Click on Submit button.
struts 29 final
 
Download this example.
 
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