GzipFilter 项目中介绍

gzipFilter 其实就位于 eHcache 里面，他是将response中的东东都压缩一下，这个可大大减少了传输时间。 

Java代码

1. <filter>   
2.         <filter-name>gzipFilter</filter-name>   
3.         <filter-class>   
4.             net.sf.ehcache.constructs.web.filter.GzipFilter   
5.         </filter-class>   
6.     </filter>   
7. <filter-mapping>   
8.         <filter-name>gzipFilter</filter-name>   
9.         <url-pattern>*.css</url-pattern>   
10.     </filter-mapping>   
11.     <filter-mapping>   
12.         <filter-name>gzipFilter</filter-name>   
13.         <url-pattern>*.png</url-pattern>   
14.     </filter-mapping>   
15.     <filter-mapping>   
16.         <filter-name>gzipFilter</filter-name>   
17.         <url-pattern>*.gif</url-pattern>   
18.     </filter-mapping>   
19.     <filter-mapping>   
20.         <filter-name>gzipFilter</filter-name>   
21.         <url-pattern>*.html</url-pattern>   
22.     </filter-mapping>   
23.     <filter-mapping>   
24.         <filter-name>gzipFilter</filter-name>   
25.         <url-pattern>*.jsp</url-pattern>   
26.     </filter-mapping>   
27.     <filter-mapping>   
28.         <filter-name>gzipFilter</filter-name>   
29.         <url-pattern>*.js</url-pattern>   
30.     </filter-mapping>   
31.     <filter-mapping>   
32.         <filter-name>gzipFilter</filter-name>   
33.         <url-pattern>*.json</url-pattern>   
34.     </filter-mapping>