配置二级缓存网站推荐：

http://www.ineeke.com/archives/HibernateCacheLevelTwo/
http://newboy2004.iteye.com/blog/792930

http://chuan315.iteye.com/blog/233720


http://fang007.iteye.com/blog/322856

http://jiaguwen123.iteye.com/blog/740679