ruby 加密与编码

[b]md5[/b]

 require 'md5'
 puts MD5.hexdigest('')

[b]sha1[/b]

require 'digest/sha1'
puts Digest::SHA1.hexdigest('') 

[b]base64[/b]

require 'base64'
code = Base64.encode64('hallo')
source = Base64.decode64(code)

[b]
uri[/b]

src = 'abc编码asdf'
code = URI.encode src
src = URI.decode code
puts code
puts src