iOS 汉字转换为拼音

pragma mark - 汉字转拼音

• (NSString )firstNameByChineseName:(NSString )aName
  {
  // 1、转化为可变字符串
  NSMutableString *mutableName = [NSMutableString stringWithString:aName];
  // 2、转化为带音调的拼音
  CFStringTransform((CFMutableStringRef) mutableName, NULL, kCFStringTransformMandarinLatin, NO);
  // 3、去掉音调
  CFStringTransform((CFMutableStringRef) mutableName, NULL, kCFStringTransformStripDiacritics, NO);
  // 4、截取首字母
  NSString *firstName = [mutableName substringToIndex:1];
  return [firstName uppercaseString];
  }