九月
12
Filed under: Technologies / RubyonRails
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_ip ip
2.MD5加密
require ‘digest/md5′
def getMD5(userId)
digest = Digest::MD5.hexdigest(userId)
end
puts getMD5(”caiwangqin”)
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