package com.littlepage.struts;

public class HelloAction {

    public String hello() {

        System.out.println("HelloWorld");

        return "success";

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE struts PUBLIC

    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"

    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

    <package name="hello" namespace="/popopo" extends="struts-default">

        <action name="HelloAction" class="com.littlepage.struts.HelloAction" method="hello">

            <result name="success">/hello.jsp</result>

        </action>

    </package>

</struts>

<filter>

    <filter-name>struts2</filter-name>

    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

  </filter>

  <filter-mapping>

    <filter-name>struts2</filter-name>

    <url-pattern>/*</url-pattern>

  </filter-mapping>