Struts2默认action

<?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.devMode" value="true" />
    
    <package name="default" namespace="/" extends="struts-default">

    <!-- 默认的action 当什么也不输入 或者找不到对应的action时将跳转到这个action -->
        <default-action-ref name="index"></default-action-ref>
        <action name="index">
            <result>/default.jsp</result>
        </action>
    </package>
</struts>