阿拉伯数字转化为汉语数字

+(NSString *)translation:(NSString *)arebic

{   
  NSString *str = arebic;
  NSArray *arabic_numerals = @[@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"0"];
  NSArray *chinese_numerals = @[@"一",@"二",@"三",@"四",@"五",@"六",@"七",@"八",@"九",@"零"];
  NSArray *digits = @[@"个",@"十",@"百",@"千",@"万",@"十",@"百",@"千",@"亿",@"十",@"百",@"千",@"兆"];
  NSDictionary *dictionary = [NSDictionary dictionaryWithObjects:chinese_numerals forKeys:arabic_numerals];

  NSMutableArray *sums = [NSMutableArray array];
  for (int i = 0; i < str.length; i ++) {
    NSString *substr = [str substringWithRange:NSMakeRange(i, 1)];
    NSString *a = [dictionary objectForKey:substr];
    NSString *b = digits[str.length -i-1];
    NSString *sum = [a stringByAppendingString:b];
    if ([a isEqualToString:chinese_numerals[9]])
    {
        if([b isEqualToString:digits[4]] || [b isEqualToString:digits[8]])
        {
            sum = b;
            if ([[sums lastObject] isEqualToString:chinese_numerals[9]])
            {
                [sums removeLastObject];
            }
        }else
        {
            sum = chinese_numerals[9];
        }
        
        if ([[sums lastObject] isEqualToString:sum])
        {
            continue;
        }
    }
    
      [sums addObject:sum];
  }

  NSString *sumStr = [sums  componentsJoinedByString:@""];
  NSString *chinese = [sumStr substringToIndex:sumStr.length-1];
  NSLog(@"%@",str);
  NSLog(@"%@",chinese);
  return chinese;
}