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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