<filter-mapping>
 <filter-name>cc Authorization</filter-name>
 <url-pattern>/admin/a.jsp</url-pattern>
</filter-mapping>
<filter-mapping>
 <filter-name>cc Authorization</filter-name>
 <url-pattern>/admin/b.jsp</url-pattern>
</filter-mapping>
<filter-mapping>
 <filter-name>cc Authorization</filter-name>
 <url-pattern>/admin/c.jsp</url-pattern>
</filter-mapping>每个 JSP 文件都写一个相应的 filter-mapping。