第一步:在application.xml加入自己的filter
第二步:在web.xml中配置filter,和以前在配置有点区别的!!!
<!-- 主的filter-->
<filter>
<filter-name>indexFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<param-name>targetFilterLifecycle</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>indexFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
其中filter-class是固定的org.springframework.web.filter.DelegatingFilterProxy
filter-name是和自己在application.xml中配置的bean的id一样!
希望以后不要犯了!!!!!