默许Action(8)

当在namespace中没有找到对应的action的时候，就是调用默认的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">
    	<default-action-ref name="index"></default-action-ref><!--配置默认action-->
    	<action name="index">
    		<result>/default.jsp</result>
    	</action>
    </package>
</struts>