如今，许多超市都利用条形码销售商品。微机操作员利用扫描器在商品的条形码处进行扫描，商品的详细信息就会显示在屏幕中。本程序就实现了利用条形码销售商品的功能。,Today, many supermarkets are selling products using the bar code. Computer operator in the commodities using a scanner to scan bar codes Agency, details of goods will be di