Struts2-3.struts.xml的action可以简写

<?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 name="itcast" namespace="/test" extends="struts-default">
            <action name="helloword" >
                <result>/WEB-INF/page/hello.jsp</result>
            </action>
     </package>
</struts>