iOS之汉字转拼音

    NSString *hanziText = @"我是中国人";
    if ([hanziText length]) {
        NSMutableString *ms = [[NSMutableString alloc] initWithString:hanziText];
        if (CFStringTransform((__bridge CFMutableStringRef)ms, 0, kCFStringTransformMandarinLatin, NO)) {
            NSLog(@"pinyin: %@", ms);
        }
        if (CFStringTransform((__bridge CFMutableStringRef)ms, 0, kCFStringTransformStripDiacritics, NO)) {
            NSLog(@"pinyin: %@", ms);
        }
    }

分别输出：

2015-11-13 15:58:30.495  pinyin: wǒ shì zhōng guó rén

2015-11-13 15:58:30.498  pinyin: wo shi zhong guo ren