spring注入filter
<!--? -->
? ?<filter>
??????? <filter-name>DelegatingFilterProxy</filter-name>
??????? <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
??????? <init-param>
??????????? <param-name>targetBeanName</param-name>
??????????? <param-value>visitInfoFilter</param-value>????????
??????? </init-param>
??????? <init-param>
??????????? <param-name>targetFilterLifecycle</param-name>
??????????? <param-value>true</param-value>
??????? </init-param>
??? </filter>
??? <filter-mapping>
??????? <filter-name>DelegatingFilterProxy</filter-name>
??????? <url-pattern>*.jhtml</url-pattern>
??? </filter-mapping>
