통화(금액) 형식 지정

                NSDecimalNumber *someAmount = [NSDecimalNumber decimalNumberWithString:@"340000"];
               
                NSNumberFormatter *currencyFormatter = [[NSNumberFormatter alloc] init];
                [currencyFormatter setNumberStyle:NSNumberFormatterCurrencyStyle];
                [currencyFormatter setCurrencySymbol:@""];//\ 표시 제거
                [target setText:[NSString stringWithFormat:@"%@원", [currencyFormatter stringFromNumber:someAmount]]];