{

System.out.println("请输入商品数量");

goods.setNumber(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("请输入商品产地"); goods.Producer(readString()); i = 0; }

catch (Exception e) { i = 1;

System.err.println("输入有误"); }

} while (i != 0);

System.out.println(market.append(goods));

break; case 2:

System.out.println("请输入要删除商品的名称"); String name = readString();

System.out.println(market.delete(name)); break; case 3:

System.out.println("商品名称\t商品价格\t商品数量"); for (int j = 0; j < market.getGoodsList().size(); j++) {

Goods g = market.getGoodsList().get(j);

System.out.println(g.getName() + "\t" + g.getPrice() + "\t" + g.getNumber()); } break;