chain redirectAction dispatcher redirect

<?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>
    <constant name="struts.devMode" value="true"></constant>
    <package name="day06" namespace="/" extends="struts-default">
        <!-- http://localhost:8080/userActionResult-->
        <action name="userActionResult" class="cn.happy.day06result.UserActions" method="list">
            <result name="list" type="redirectAction"><!--chain  redirectAction dispatcher-->
                <!--植入两个子节点-->
            <param name="actionName">userActionResultDel</param>
            <param name="namespace">/</param>
        </result>
        </action>

       <!-- http://localhost:8080/userActionResultDel-->
        <action name="userActionResultDel" class="cn.happy.day06result.UserActions" method="del">
            <result name="del" type="redirect">/day06/del.jsp</result><!--redirect-->
        </action>
    </package>
</struts>

public class UserActions extends ActionSupport{
    //用户定义自己的类
    public String list(){
        Map<String,Object> request =( Map<String,Object>) ActionContext.getContext().get("request");
        request.put("uname","张三");
        return "list";
    }


    public String del(){
        Map<String,Object> request =( Map<String,Object>) ActionContext.getContext().get("request");
        Object uname = request.get("uname");
        System.out.println(uname+"===============");
        request.put("info","数据");
        return "del";
    }
}