tomcat7 设置静态资源的expires过期时间

<filter>
 <filter-name>ExpiresFilter</filter-name>
 <filter-class>org.apache.catalina.filters.ExpiresFilter</filter-class>
 <init-param>
    <param-name>ExpiresByType image</param-name>
    <param-value>access plus 10 minutes</param-value>
 </init-param>
 <init-param>
    <param-name>ExpiresByType text/css</param-name>
    <param-value>access plus 10 minutes</param-value>
 </init-param>
 <init-param>
    <param-name>ExpiresByType application/javascript</param-name>
    <param-value>access plus 10 minutes</param-value>
 </init-param>
</filter>
...
<filter-mapping>
 <filter-name>ExpiresFilter</filter-name>
 <url-pattern>/*</url-pattern>
 <dispatcher>REQUEST</dispatcher>
</filter-mapping>

相关链接：http://tomcat.apache.org/tomcat-7.0-doc/config/filter.html#Expires_Filter

补充：运行上述代码，js文件可能无法达到预期效果，可将application/javascript改成text/javascript,再调试一下啊（这可能是官方文档的疏忽，也可能是因为我是采用requirejs管理js文件的缘故，读者可以根据自身情况调试）。