<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>struts-default.xml,struts-plugin.xml,../struts/struts.xml,../struts/struts-auth.xml</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>
红色的一段是配置struts的配置文件的路径,名字等内容,其名字可以是struts-default.xml,struts-plugin.xml, struts-auth.xml, struts.xml .其中, struts-default.xml,struts-plugin.xml放在src目录下有效, struts-auth.xml, struts.xml 放在struts目录下有效,../代表classes的上一级目录