iOS 汉字转拼音

NSString *hanziText = @"天津";

    if ([hanziText length]) {

        NSMutableString *ms = [[NSMutableStringalloc] initWithString:hanziText];

        if (CFStringTransform((__bridgeCFMutableStringRef)ms, 0,kCFStringTransformMandarinLatin, NO)) {

            NSLog(@"pinyin: %@", ms);

        }

        if (CFStringTransform((__bridgeCFMutableStringRef)ms, 0,kCFStringTransformStripDiacritics, NO)) {

            NSLog(@"pinyin: %@", ms);

        }  

    }