1.汉字转拼音
func pinYinZChines(content:String)->String{ let transformContents = CFStringCreateMutableCopy(nil, 0, content) CFStringTransform( transformContents, nil, kCFStringTransformMandarinLatin, false) CFStringTransform( transformContents, nil, kCFStringTransformStripDiacritics, false) let ztransformContents = transformContents as String let index = ztransformContents.startIndex.advancedBy(0) let firstString = ztransformContents[index] let stringZ = String.init(firstString) return stringZ.uppercaseString }原文：http://www.cnblogs.com/starainDou/p/5901860.html