struts2 自定义拦截器配置

<include file="struts-default.xml"/> 
	<package name="default-package" extends="struts-default">
		<action name="..." class="...">
			<result name="...">...</result>
	</package>

		<package name="authority" extends="struts-default">
			<interceptors> 
				<interceptor class="..." name="myinterceptor" />
				<!--定义一个包含权限检查的拦截器栈--> 
				<interceptor-stack name="mystack">
					<!--配置内建默认拦截器--> 
					<interceptor-ref name="defaultStack" />
					<!--配置自定义的拦截器--> 
					<interceptor-ref name="myinterceptor" /> 
				</interceptor-stack> 
			</interceptors>
			<default-interceptor-ref name="mystack" /> 
			
			<!--定义全局Result-->
			<global-results>
				<result name="...">...</result>
			</global-results>

			<action name="..." class="...">
				<result name="...">...</result>
			</action>
		</package>