<package name="default" extends="struts-default">
        <interceptors>
    <interceptor name="bean-scope" class="com.googlecode.scopeplugin.ScopeInterceptor"/>
        <interceptor-stack name="appdefault">
        <interceptor-ref name="bean-scope"/>
        <!-- 定义拦截器栈包含default-stack拦截器栈 -->
        <interceptor-ref name="basicStack"/>
        <interceptor-ref name="encoding"/>
        <interceptor-ref name="opinion"/>
    </interceptor-stack>
    </interceptors>

    <!-- 定义struts2默认拦截器 -->
    <default-interceptor-ref name="appdefault"/>
</package>

<package name="base" extends="struts-default">
       <!--定义自己的拦截器  -->
        <interceptors>
            <interceptor name="authority" class="fi.authority.access.interceptor.AuthorityInterceptor"/> 
            <!-- 定义默认拦截器 -->
            <interceptor-stack name="mydefault">
                <interceptor-ref name="defaultStack" />
                <interceptor-ref name="authority" />
            </interceptor-stack>
        </interceptors>     
        <!-- 使用默认拦截器 -->
        <default-interceptor-ref name="mydefault" />       
        <global-results>
            <result name="login">/login.jsp</result>
            <result name="noauthority">/noauthority.jsp</result>
        </global-results>   
</package>