servlet的问题

Question

<display-name>
name</display-name>
<filter>   
       <filter-name>actionFilter</filter-name>   
       <filter-class>class name</filter-class>
    </filter>
    <filter-mapping>
       <filter-name>actionFilter</filter-name>   
       <url-pattern>/*</url-pattern>   
    </filter-mapping>  

Answer 1

我已经知道怎么做了。总之，谢谢各位的回复。（虽然1楼的回复和正常情况有出入）