Struts2 multiple checkbox example
In this demo you will see how to process multiple checkbox data on server side and shows response back to the user with selected checkbox.
- Final project structure:
- Struts2SampleCodeAction.java
package com.javahonk.action;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
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 = "/Struts2Example.jsp"),
@Result(name = "input", location = "/Struts2Example.jsp")})
public class Struts2SampleCodeAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private List<Person> personList = new ArrayList<Person>();
private Map<Integer, Boolean> checkboxes;
@Override
@Action(value = "/struts2SampleCodeAction")
public String execute() throws Exception {
personList.add(new Person("Java", "Honk", "NY"));
personList.add(new Person("Ramesh", "Arrepu", "NY"));
personList.add(new Person("Igor", "Vornovitsky", "NY"));
personList.add(new Person("Bob", "Sidebottom", "NY"));
personList.add(new Person("Sunil", "Garg", "NY"));
personList.add(new Person("Mike", "Lee", "NY"));
setCheckboxes(checkboxes);
return ActionSupport.INPUT;
}
public List<Person> getPersonList() {
return personList;
}
public void setPersonList(List<Person> personList) {
this.personList = personList;
}
public Map<Integer, Boolean> getCheckboxes() {
return checkboxes;
}
public void setCheckboxes(Map<Integer, Boolean> checkboxes) {
this.checkboxes = checkboxes;
}
}
- Person.java
package com.javahonk.action;
import java.io.Serializable;
public class Person implements Serializable{
private static final long serialVersionUID = 1L;
private String firstName;
private String lastName;
private String location;
public Person(String firstName, String lastName, String location) {
super();
this.firstName = firstName;
this.lastName = lastName;
this.location = location;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getLocation() {
return location;
}
public void setLocation(String location) {
this.location = location;
}
}- Struts2Example.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<?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>Struts2 multiple checkbox example</title>
<script type="text/javascript"
src="https://code.jquery.com/jquery-1.11.1.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#select_all").change(function(){
if(this.checked){
$(":checkbox").each(function(){
this.checked=true;
});
}else{
$(":checkbox").each(function(){
this.checked=false;
});
}
});
$(":checkbox").click(function () {
if (!$(this).is(":checked")){
$("#select_all").prop("checked", false);
}else{
var flag = 0;
$(":checkbox").each(function(){
if(!this.checked)
flag=1;
});
if(flag == 0){
$("#select_all").prop("checked", true);
}
}
});
//Validate if all checkbox is checked
var allChecked = $(':checkbox:checked').length == $(':checkbox').length - 1;
if (allChecked) {
$("#select_all").prop("checked", true);
} else {
$("#select_all").prop("checked", false);
}
});
</script>
<s:head />
</head>
<body>
<h2 style="color: green">
<s:text name="label.welcome" />
</h2>
<s:form action="struts2SampleCodeAction" namespace="/" method="post"
name="strutsForm">
<table cellspacing="0" cellpadding="0" border="1" width="500">
<tr style="font-weight: bold">
<td><s:checkbox name="Select All" id="select_all"
theme="simple" /></td>
<td><s:text name="label.firstName" /></td>
<td><s:text name="label.lastName" /></td>
<td><s:text name="label.location" /></td>
</tr>
<s:iterator value="personList" status="stat">
<tr>
<td><s:checkbox name="checkboxes[%{#stat.index}]"
theme="simple" /></td>
<td><s:property value="firstName" /> <s:hidden
value="%{personList.firstName}" /></td>
<td><s:property value="lastName" /></td>
<td><s:property value="location" /></td>
</tr>
</s:iterator>
</table>
</br>
<s:submit align="left" />
</s:form>
</body>
</html>
Web page output
- No check box selected:
- All check box selected:
- Check box selected randomly:
For more information please read this tutorial
Download Project: Struts2Checkbox
