Java实现商品入库.docx

Id(), goods3); map.put(goods4.getId(), goods4); map.put(goods5.getId(), goods5); } public static void main(String[] args) { get(); System.out.println("请输入商品编号进行查找："); int id = in.nextInt(); Goods1 find = (Goods1) map.get(id); if (find != null) { System.out.println("找到的商品为：" + find.getName()); System.out.println("单价为：" + find.getPrice()); System.out.println("库存为：" + find.getBalance()); } else { System.out.println("未找到该商品"); } System.out.println("请输入要入库的商品编号："); id = in.nextInt(); Goods1 goods = new Goods1(id, "", 0.0, "", 0); System.out.println("请输入商品名称："); goods.setName(in.next()); System.out.println("请输入商品单价："); goods.setPrice(in.nextDouble()); System.out.println("请输入商品单位："); goods.setUom(in.next()); System.out.println("请输入入库数量："); goods.setBalance(in.nextInt()); map.put(goods.getId(), goods); System.out.println("入库成功！"); showAll(); } public static void showAll() { Set set = map.entrySet(); Iterator it = set.iterator(); System.out.println("所有商品信息如下："); while (it.hasNext()) { Map.Entry entry = (Map.Entry) it.next(); Goods1 goods = (Goods1) entry.getValue(); System.out.println("编号：" + entry.getKey() + "，名称：" + goods.getName() + "，单价：" + goods.getPrice() + "，单位：" + goods.getUom() + "，库存：" + goods.getBalance()); } System.out.println("所有商品的总库存数为：" + totalStock() + "件"); System.out.println("库存商品总金额为：" + totalAmount() + "元"); } public static int totalStock() { int sum = 0; for (Object obj : map.values()) { Goods1 goods = (Goods1) obj; sum += goods.getBalance(); } return sum; } public static double totalAmount() { double sum = 0; for (Object obj : map.values()) { Goods1 goods = (Goods1) obj; sum += goods.getBalance() * goods