中文转拼音

- (NSString *)getPinYinFrom:(NSString *)chinese
{
    CFMutableStringRef string = CFStringCreateMutableCopy(NULL, 0, (__bridge CFMutableStringRef)[NSMutableString stringWithString:chinese]);
    CFStringTransform(string, NULL, kCFStringTransformMandarinLatin, NO);
    CFStringTransform(string, NULL, kCFStringTransformStripDiacritics, NO);

    NSMutableString *aNSString = (__bridge NSMutableString *)string;
    NSString *finalString = [aNSString stringByReplacingOccurrencesOfString:[NSString stringWithFormat:@"%c", 32] withString:@""];

    NSLog(@"%@", finalString);
    return finalString;
 }