iOS中将漢字轉換成拼音的方法

//  将漢字轉換為不帶音調的拼音

- (NSString *)transformMandarinToLatin:(NSString *)string

{

    NSMutableString *preString = [string mutableCopy];

    CFStringTransform((CFMutableStringRef)preString, NULL, kCFStringTransformMandarinLatin, NO);

    CFStringTransform((CFMutableStringRef)preString, NULL, kCFStringTransformStripDiacritics, NO);

    return preString;

}