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Caiwangqin's blog

Focus on Life, Cloud Service, Smart Hardware, Architecture, Technic and beyond…

Ruby 代码小记

2006年9月12日星期二

1. 获取本机IP



require ‘ipaddr’

require ’socket’


$KCODE = ‘u’


p Socket.gethostbyname(’localhost’)

ip = Socket.getaddrinfo(Socket.gethostname,nil)[0][3].split(”.”)[3].to_i


p ip


2.MD5加密


require ‘digest/md5′


def getMD5(userId)


digest = Digest::MD5.hexdigest(userId)


end


puts getMD5(”caiwangqin”)


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posted by Caiwangqin, 10:59

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