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Dispatch_Action Example + Tutorial

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Dispatch_Action Example + Tutorial

UserAction.java


package com.candidjava.controller;

import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport{

private static final long serialVersionUID = 1L;
private String message;

public String execute()
{
setMessage("From execute method");
return SUCCESS;
}

public String add()
{
setMessage("From add method");
return SUCCESS;
}

public String update()
{
setMessage("From update method");
return SUCCESS;
}

public String delete()
{
setMessage("From delete method");
return SUCCESS;
}

public String getMessage() {
return message;
}

public void setMessage(String message) {
this.message = message;
}

}

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="default" extends="struts-default">
<action name="User">
<result name="success">/success.jsp</result>
</action>
<action name="addUser" method="add">
<result name="success">/success.jsp</result>
</action>
<action name="updateUser" method="update">
<result name="success">/success.jsp</result>
</action>
<action name="deleteUser" method="delete">
<result name="success">/success.jsp</result>
</action>
</package>
</struts>

web.xml


<?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_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>DispatchAction Example</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>

index.jsp


<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="/struts-tags" prefix="s"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<s:form action="User">
<s:submit />
<s:submit action="addUser" value="Add" />
<s:submit action="updateUser" value="Update" />
<s:submit action="deleteUser" value="Delete" />
</s:form>
</body>
</html>

success.jsp


<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="/struts-tags" prefix="s" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<s:property value="message" />
</body>
</html>

output screenshot

 

 

 

 

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Filed in: Struts 2 Tutorial

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