先存着,以后再写
http://iamzhongyong.iteye.com/blog/1982113
http://baike.baidu.com/view/2530454.htm
https://en.wikipedia.org/wiki/Token_bucket
先存着,以后再写
http://iamzhongyong.iteye.com/blog/1982113
http://baike.baidu.com/view/2530454.htm
https://en.wikipedia.org/wiki/Token_bucket