http://www.cnblogs.com/yanlingyin/archive/2012/02/14/2348980.html
linux Oracle MSN:yongxin_dai@hotmail.com
http://blog.chinaunix.net/uid-42518-id-2404751.html
http://aliyador.iteye.com/category/121624
https://github.com/nicolasff/phpredis#zremrangebyrank-zdeleterangebyrank