9.17 四次分解

 

Import java.util.Scanner;

 

Public class WarehouseManagement {

Static int numOfItems = 0;

Static WarehouseInformation[] warehouseInformations = new WarehouseInformation[5];

 

Public static void main(String[] args) {

        initializeData();

 

        Scanner scanner = new Scanner(System.in);

        While (true) {

            printMainMenu();

            System.out.println(“请输入数字选择功能:”);

            Int option = scanner.nextInt();

            Switch (option) {

                Case 1:

                    addCommodity(scanner);

                    break;

                case 2:

                    modifyWarehouse(scanner);

                    break;

                case 3:

                    outboundWarehouse(scanner);

                    break;

                case 4:

                    countGoods();

                    break;

                default:

                    System.out.println(“该选项不存在”);

            }

        }

}

 

Private static void initializeData() {

        warehouseInformations[0] = new WarehouseInformation(“20224085”, “华为笔记本电脑”, “河北省正大光明有限公司”, “003”, “0180350”, 100, 0);

        warehouseInformations[1] = new WarehouseInformation(“20224086”, “Apple iPhone”, “Guangdong Xinrui Technology Co., Ltd.”, “004”, “0180351”, 50, 10);

        warehouseInformations[2] = new WarehouseInformation(“20224087”, “Samsung Tablet”, “Shanghai Letian Electronics Co., Ltd.”, “005”, “0180352”, 80, 20);

        warehouseInformations[3] = new WarehouseInformation(“20224088”, “Huawei Smartphone”, “Beijing Zhongxing Technology Co., Ltd.”, “006”, “0180353”, 120, 50);

        warehouseInformations[4] = new WarehouseInformation(“20224089”, “Xiaomi TV”, “Zhejiang Rongyao Electronics Co., Ltd.”, “007”, “0180354”, 60, 30);

        numOfItems = 5;

}

 

Private static void printMainMenu() {

        System.out.println(“***********************************************************”);

        System.out.println(“            石家庄铁道大学前进22软件开发有限公司”);

        System.out.println(“                 仓库管理系统2022版”);

        System.out.println(“                  1、商品入库管理”);

        System.out.println(“                  2、商品信息修改”);

        System.out.println(“                  3、商品出库管理”);

        System.out.println(“                  4、仓库盘点管理”);

        System.out.println(“***********************************************************”);

}

 

Private static void addCommodity(Scanner scanner) {

        printItemPrompt(“商品编码”);

        String itemno = scanner.next();

        printItemPrompt(“商品名称”);

        String itemname = scanner.next();

        printItemPrompt(“供货商信息”);

        String suppliername = scanner.next();

        printItemPrompt(“入库时间”);

        String warehousingtime = scanner.next();

        printItemPrompt(“存放仓库号”);

        String warehousenumber = scanner.next();

        printItemPrompt(“存放位置信息”);

        String warehouseplace = scanner.next();

        printItemPrompt(“入库商品数量”);

        int itemnumber = scanner.nextInt();

 

        printItemInfo(itemno, itemname, suppliername, warehousingtime, warehousenumber, warehouseplace, itemnumber);

 

        System.out.println(“该商品入库操作已完成，是否提交(Y/N)：”);

        String confirm = scanner.next();

        If (confirm.equalsIgnoreCase(“Y”)) {

            warehouseInformations[numOfItems] = new WarehouseInformation(itemno, itemname, suppliername, warehousenumber, warehouseplace, itemnumber, 0);

            numOfItems++;

            System.out.println(“提交成功！”);

        }

}

 

Private static void modifyWarehouse(Scanner scanner) {

        printItemPrompt(“商品编号”);

        String itemno = scanner.next();

        WarehouseInformation warehouseInformation = findItemByNo(itemno);

        If (warehouseInformation == null) {

            System.out.println(“库中没有该商品”);

            Return;

        }

 

        printItemInfo(warehouseInformation);

 

        System.out.println(“请输入需要修改的信息编号(1-7)：”);

        Int fieldNum = scanner.nextInt();

        Scanner.nextLine();  // 读取换行符

 

        String[] fieldNames = { “商品编号”, “商品名称”, “供货商信息”, “入库时间”, “存放仓库号”, “存放位置信息”, “入库商品数量” };

        String fieldName = fieldNames[fieldNum – 1];

 

        System.out.println(“请输入修改后的” + fieldName + “：”);

        String newVal = scanner.nextLine();

 

        printItemPrompt(“是否保存(Y/N)：”);

        String confirm = scanner.next();

        If (confirm.equalsIgnoreCase(“Y”)) {

            modifyData(warehouseInformation, fieldNum, newVal);

            System.out.println(“保存成功！”);

        }

}

 

Private static void outboundWarehouse(Scanner scanner) {

        printItemPrompt(“商品编号”);

        String itemno = scanner.next();

        WarehouseInformation warehouseInformation = findItemByNo(itemno);

        If (warehouseInformation == null) {

            System.out.println(“库中没有该商品”);

            Return;

        }

 

        printItemInfo(warehouseInformation);

 

        int stockQuantity = warehouseInformation.getItemnumber() – warehouseInformation.getOutnumber();

        System.out.println(“全部库存数量：” + stockQuantity);

 

        System.out.println(“请输入出库数量：”);

        Int outboundQuantity = scanner.nextInt();

        If (outboundQuantity > stockQuantity) {

            System.out.println(“超过库存数量！”);

            Return;

        }

 

        printItemPrompt(“是否保存出库信息(Y/N)：”);

        String confirm = scanner.next();

        If (confirm.equalsIgnoreCase(“Y”)) {

            modifyData(warehouseInformation, 8, String.valueOf(outboundQuantity));

            System.out.println(“保存成功！”);

        }

}

 

Private static void countGoods() {

        For (int I = 0; I < numOfItems; i++) {

            System.out.println(“商品编号：” + warehouseInformations[i].getItemno());

            System.out.println(“商品名称：” + warehouseInformations[i].getItemname());

            System.out.println(“库存数量：” + (warehouseInformations[i].getItemnumber() – warehouseInformations[i].getOutnumber()));

            System.out.println(“………………………………………………….”);

        }

}

 

Private static void modifyData(WarehouseInformation warehouseInformation, int fieldNum, String newVal) {

        Switch (fieldNum) {

            Case 1:

                warehouseInformation.setItemno(newVal);

                break;

            case 2:

                warehouseInformation.setItemname(newVal);

                break;

            case 3:

                warehouseInformation.setSuppliername(newVal);

                break;

            case 4:

                warehouseInformation.setWarehousingtime(newVal);

                break;

            case 5:

                warehouseInformation.setWarehousenumber(newVal);

                break;

            case 6:

                warehouseInformation.setWarehouseplace(newVal);

                break;

            case 7:

                warehouseInformation.setItemnumber(Integer.parseInt(newVal));

                break;

            case 8:

                warehouseInformation.setOutnumber(Integer.parseInt(newVal));

                break;

            default:

                System.out.println(“该选项不存在！”);

        }

}

 

Private static WarehouseInformation findItemByNo(String itemno) {

        For (int I = 0; I < numOfItems; i++) {

            If (warehouseInformations[i].getItemno().equals(itemno)) {

                Return warehouseInformations[i];

            }

        }

        Return null;

}

 

Private static void printItemPrompt(String fieldName) {

        System.out.println(“请输入” + fieldName + “：”);

}

 

Private static void printItemInfo(WarehouseInformation warehouseInformation) {

        System.out.println(“1.商品编号：” + warehouseInformation.getItemno());

        System.out.println(“2.商品名称：” + warehouseInformation.getItemname());

        System.out.println(“3.供货商信息：” + warehouseInformation.getSuppliername());

        System.out.println(“4.入库时间：” + warehouseInformation.getWarehousingtime());

        System.out.println(“5.存放仓库号：” + warehouseInformation.getWarehousenumber());

        System.out.println(“6.存放位置信息：” + warehouseInformation.getWarehouseplace());

        System.out.println(“7.入库商品数量：” + warehouseInformation.getItemnumber());

        System.out.println(“**********************************************************”);

}

 

Private static void printItemInfo(String itemno, String itemname, String suppliername, String warehousingtime, String warehousenumber, String warehouseplace, int itemnumber) {

        System.out.println(“1.商品编号：” + itemno);

        System.out.println(“2.商品名称：” + itemname);

        System.out.println(“3.供货商信息：” + suppliername);

        System.out.println(“4.入库时间：” + warehousingtime);

        System.out.println(“5.存放仓库号：” + warehousenumber);

        System.out.println(“6.存放位置信息：” + warehouseplace);

        System.out.println(“7.入库商品数量：” + itemnumber);

        System.out.println(“**********************************************************”);

}

}