Goods goods_sals = new Goods();

System.out.println("请输入销售商品名称"); goods_sals.setName(readString()); do { try {

System.out.println("请输入销售商品价格");

goods_sals.setPrice(Integer.parseInt(readString())); i = 0; }

catch (Exception e) { i = 1;

System.err.println("输入有误"); } }

while (i != 0); do { try {

System.out.println("请输入销售商品数量");

goods_sals.setNumber(Integer.parseInt(readString())); i = 0; }

catch (Exception e) { i = 1;

System.err.println("输入有误"); } }

while (i != 0);

System.out.println(market.sale(goods_sals)); break; default:

System.out.println("退出"); break; } }

while (type != 0);