struts2配置（1）struts.xml

<?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" /><!--设置成开发者模式-->
  <package name="default" namespace="/" extends="struts-default">
        <action name="hello">
            <result>
                /Hello.jsp
            </result>
        </action>
    </package>
    <!-- Add packages here -->

</struts>