1.web.xml配置
<!-- struts2权限过滤器 -->
<filter>
<filter-name>SessionInvalidate</filter-name>
<!-- 过滤器的路径(自定义的) -->
<filter-class>com.accp.util.SessionCheckFilter</filter-class>
<init-param>
<param-name>checkSessionKey</param-name>
<param-value>logonname</param-value>
</init-param>
<init-param>
<!-- 被过滤后从定向到 /menu/index.jsp-->
<param-name>redirectURL</param-name>
<param-value>/menu/index.jsp</param-value>
</init-param>
<init-param>
<!-- 不被拦截的请求集合 -->
<param-name>notCheckURLList</param-name>
<param-value>/menu/index.jsp,/index.jsp,/menu/elecUserAction_login.action</param-value>
</init-param>
</filter>
<!-- 需要进行过滤判断的所有jsp -->
<filter-mapping>
<filter-name>SessionInvalidate</filter-name>
<url-pattern>/system/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>SessionInvalidate</filter-name>
<url-pattern>/siteEquapment/*</url-pattern>
</filter-mapping>