Struts 2 pass hidden value
If you want to pass hidden value to the server including value form list please see example below:
- Project structure:
- index.jsp page:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Struts 2 pass hidden value</title>
<s:head />
</head>
<body>
<h3 style="color: green">
<s:text name="Struts 2 pass hidden value" />
</h3>
<s:if test="hasActionErrors()">
<div id="fieldErrors">
<s:actionerror />
</div>
</s:if>
<s:form action="hiddenValueAction" namespace="/" method="post"
name="strutsForm">
<table cellspacing="0" cellpadding="0" border="1" width="500">
<tr>
<td><h3 align="center">Struts 2 pass hidden value</h3></td>
</tr>
<tr>
<td><div style="height: 200px; overflow: auto;">
<table cellspacing="0" cellpadding="0" border="0" width="100%">
<tr>
<td><h3>First Name</h3></td>
<td><h3>Last Name</h3></td>
<td><h3>Location</h3></td>
</tr>
<s:iterator status="stat" value="personsList">
<tr>
<!-- Hidden value from list-->
<td><s:property value="firstName" /><s:hidden name="personsList.firstName" value="%{firstName}"/></td>
<td><s:property value="lastName" /><s:hidden name="personsList.lastName" value="%{lastName}"/></td>
<td><s:property value="location" /><s:hidden name="personsList.location" value="%{location}"/></td>
</tr>
</s:iterator>
<!-- Hidden value -->
<s:hidden name="hiddenValue" value="hiddenValueTest" />
</table>
</div></td>
</tr>
</table>
</br><s:submit align="left"/>
</s:form>
</body>
</html>
- HiddenValueAction.java:
package com.javahonk.action;
import java.util.ArrayList;
import java.util.List;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.convention.annotation.Results;
import com.opensymphony.xwork2.ActionSupport;
@Results({ @Result(name = "error", location = "/index.jsp"),
@Result(name = "input", location = "/index.jsp") })
public class HiddenValueAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private List<Person> personsList = new ArrayList<Person>();
private String hiddenValue;
@Override
@Action(value = "/hiddenValueAction")
public String execute() throws Exception {
for (int i = 0; i < 5; i++) {
Person person = new Person();
person.setFirstName("Java"+i);
person.setLastName("Honk");
person.setLocation("NY");
person.setCheckbox(String.valueOf(i));
personsList.add(person);
}
return ActionSupport.INPUT;
}
public List<Person> getPersonsList() {
return personsList;
}
public void setPersonsList(List<Person> personsList) {
this.personsList = personsList;
}
public String getHiddenValue() {
return hiddenValue;
}
public void setHiddenValue(String hiddenValue) {
this.hiddenValue = hiddenValue;
}
}
- Web page output:
For more information please read this tutorial
Download Project: Struts2HiddenValue
