使用控制層action時(shí)，需要在web.xml中配置過(guò)濾器，配置如下

<filter>

<filter-name>/filter</filter-name>

<filter-class>org.myhibernate.mvc.filter.DispatchFilter</filter-class>

</filter>

<filter-mapping>

<filter-name>/filter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>