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代码
- def generate_password(length=6)
- chars = 'abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ23456789'
- password = ''
- length.downto(1) { |i| password << chars[rand(chars.length - 1)] }
- password
- end
-
- generate_password()
- >> U48ydn
-
- generate_password(10)
- >> QzWXdAkDy5
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