md5
require 'md5' puts MD5.hexdigest('')
sha1
require 'digest/sha1'puts Digest::SHA1.hexdigest('')
base64
require 'base64'code = Base64.encode64('hallo')source = Base64.decode64(code)
uri
src = 'abc编码asdf'code = URI.encode srcsrc = URI.decode codeputs codeputs src
感悟了不同的人生。凌晨,随着滑轮接触地面,