在struts.xml中配置对action配置

<?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>
<!--
package表示一个包
name:包名（唯一）
extends:继承
action：相当于servlet映射路径 name:action映射
class:处理请求的类
method:处理请求的方法
result:结果，返回处理的结果
http://localhost:8080/项目名/hello
-->
    <package name="p1" extends="struts-default">
        <action name="hello" class="org.ccit.com.web.action.HelloAction" method="sayhello">
            <result name="success">/success.jsp</result>
        </action>
    </package>
</struts>

helloaction.java

package org.ccit.com.web.action;
public class HelloAction {
    public String sayhello() throws Exception {
        System.out.println("sayhello方法被调用");
        return "success";
    }
}

success.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
    <head>
        <title>Title</title>
    </head>
    <body>
        hello action 方法sayhello方法返回的页面、
    </body>
</html>