一个过滤器类，过滤多个路径
<!-- 登录验证 --><filter><filter-name>login-filter</filter-name><filter-class>com.hydom.filter.LoginFilter</filter-class></filter><filter-mapping><filter-name>login-filter</filter-name><url-pattern>/person/*</url-pattern></filter-mapping><filter-mapping><filter-name>login-filter</filter-name><url-pattern>/userCenter/*</url-pattern></filter-mapping>
