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hooopo/淘宝搜索关键字加密.rb

Created December 14, 2009 09:35
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淘宝搜索关键字加密.rb
#utf-8
def encode(str)
keys = "abcdefghijklmnopqrstuvwxyz234567"
str.unpack("C*").map{|b| "%08b" % b}.join.scan(/\d{1,5}/).map{|x| "0" * 3 + x.ljust(5,"0")}.map{|y| keys[y.to_i(2)].chr}.join
end
p encode "aaa" #=> "mfqwc"
p encode "JavaEye论坛频道" #=>"jjqxmykfpfs6rlv24wozx2ncshuydey"
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