El ejercicio que vamos a realizar es un ejemplo de hola mundo con struts realizado con maven para la librerías y eclipse como IDE.
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.5.2</version>
</dependency>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.tutosoftware</groupId>
<artifactId>HolaStruts</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>HolaStruts Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.5.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>HolaStruts</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
package com.tutosoftware.holastruts.action;
import com.opensymphony.xwork2.ActionSupport;
public class HolaAction extends ActionSupport {
/**
*
*/
private static final long serialVersionUID = 1L;
private String nombre;
private String mensaje;
@Override
public String execute() throws Exception {
mensaje = "Hola bienvenido a struts 2:";
return ActionSupport.SUCCESS;
}
@Override
public void validate() {
if (null == nombre || nombre.length() == 0)
addActionError(getText("error.nombre.requerido"));
}
public String getNombre() {
return nombre;
}
public void setNombre(String nombre) {
this.nombre = nombre;
}
public String getMensaje() {
return mensaje;
}
public void setMensaje(String mensaje) {
this.mensaje = mensaje;
}
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Struts2 hola mundo</title>
<s:head/>
</head>
<body>
<h1 style="color : red"> <s:text name="label.saludo"></s:text> </h1>
<s:if test="hasActionErrors()">
<div id="campoError">
<s:actionerror/>
</div>
</s:if>
<s:form action="holaAction" namespace="/" method="post" name="holaForm">
<s:textfield name="nombre" size="30" maxlength="50" key="label.nombre"></s:textfield>
<s:submit key="enviar" align="rigth"></s:submit>
</s:form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Struts2 maven hola mundo</title> </head> <body> <h2 style="color: blue"> <s:property value="mensaje" /> </h2> <h1 style="color: blue"> Saludos <s:property value="nombre" /> </h1> <a href="index.jsp">Inicio</a> </body> </html>
label.saludo = Struts 2 Maven Hola Mundo! label.nombre = Nombre error.nombre.requerido = Nombre es requerido!
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.enable.DynamicMethodInvocation" value="false"></constant> <constant name="struts.devMode" value="true"></constant> <constant name="struts.custom.i18n.resources" value="ApplicationResources"></constant> <package name="default" extends="struts-default"> <action name=""> <result>index.jsp</result> </action> <action name="holaAction" class="com.tutosoftware.holastruts.action.HolaAction"> <result name="error">index.jsp</result> <result name="input">index.jsp</result> <result name="success">/jsp/exito.jsp</result> </action> </package> </struts>
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<display-name>Archetype Created Web Application</display-name>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</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>
<?xml version="1.0" encoding="UTF-8"?> <faceted-project> <fixed facet="wst.jsdt.web"/> <installed facet="jst.web" version="3.1"/> <installed facet="wst.jsdt.web" version="1.0"/> <installed facet="java" version="1.8"/> </faceted-project>
