作为一个角色:let c = Character(UnicodeScalar(65)) 或者作为一个字符串:let s = String(UnicodeScalar(UInt8(65))) 或者另一种方式是字符串:let s = "\u{41}" (请注意,\u 转义序列是十六进制的,而不是十进制的)
println("The Character A: \u{41}")
来打印任意Unicode标量。请参见https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-XID_432和http://en.wikipedia.org/wiki/Basic_Latin_(Unicode_block)。 - Klaas