完善的开学测试

//淦了，插入代码之前没写东西，退不出来了。。。
//只能说，该完成的都有，但是说，真正彻底实现这个所谓项目，还需数据库（maybe）等的学习

//博客园不能插入文档，题目就不放进来了


  1 import java.util.Scanner;

//第一次分解 执行类：
public class WarehouseManagement2 {
    public static void main(String[] args) {
        //第二次分解 仓库信息：
        WarehouseInformation2[] warehouse2= new WarehouseInformation2[20];
        warehouse2[0] = new WarehouseInformation2();

        //第三次分解 主界面方法：
        mainFrame(warehouse2);

    }
    //工具类方法定义
    //第二次分解 新增数据：
    public static void addData(WarehouseInformation2[] warehouse2){
        // 暂未解决： 新增数据的 “下一条” 问题

        Scanner sc = new Scanner(System.in);
        while(true){
            System.out.println("请录入商品编号：");
            String sitemno = sc.next();
            boolean b1 = geshi(sitemno); //判断格式是否正确
            if(b1){
                warehouse2[0].setItemno(sitemno);  //商品编号
                break;
            }else{
                System.out.println("格式错误，请重新录入");
            }
        }
//        sout(arr);  //我对自己的想法进行保留，但是代码忘记多不多了，也懒得弄了
        //sout()之前是一个界面输出的方法

        System.out.println("请录入商品名称：");
        String itemname = sc.next();
        warehouse2[0].setItemname(itemname);  //商品名称
//        sout(arr);

        System.out.println("请录入供货商信息：");
        String suppliername = sc.next();  //供货商信息
        warehouse2[0].setSuppliername(suppliername);
//        sout(arr);

        while(true){
            System.out.println("请录入入库时间：");
            String warehousingtime = sc.next();  //入库时间
            boolean b2 = geshi(warehousingtime); //判断格式是否正确
            if(b2){
                warehouse2[0].setWarehousingtime(warehousingtime);
                break;
            }else{
                System.out.println("格式错误，请重新录入");
            }
        }
//        sout(arr);

        while(true){
            System.out.println("请录入存放仓库号：");
            String warehousenumber = sc.next();  //仓库编号
            boolean b3 = geshi(warehousenumber);
            if(b3){
                warehouse2[0].setWarehousenumber(warehousenumber);
                break;
            }else{
                System.out.println("格式错误，请重新录入");
            }
        }
//        sout(arr);

        while(true){
            System.out.println("请录入商品存放位置信息：");
            String warehouseplace = sc.next();  //商品位置信息
            boolean b = geshi(warehouseplace); //判断格式是否正确
            if (b) {
                warehouse2[0].setWarehouseplace(warehouseplace);
                break;
            } else {
                System.out.println("格式错误，请重新录入");
            }
        }
//        sout(arr);

        System.out.println("请录入商品入库数量：");
        int itemnumber = sc.nextInt();  //入库数量
        warehouse2[0].setItemnumber(itemnumber);
    }

    //第二次分解 数据修改：
    public static void modifyData(WarehouseInformation2[] warehouse2){
        Scanner sc = new Scanner(System.in);
        bian:while(true) {
            System.out.println("请输入(八位)商品编号：");
            //可以加个判断语句，但是没要求，我也懒得加

            String innumber = sc.next();
            for (int i = 0; i < warehouse2.length; i++) {
                if (warehouse2[i].getItemno().equals(innumber)) {
                    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("***********************************************************");
                    System.out.println("                  1、商品编号：" + warehouse2[0].getItemno());
                    System.out.println("                2、商品名称：" + warehouse2[0].getItemname());
                    System.out.println("             3、供货商信息：" + warehouse2[0].getSuppliername());
                    System.out.println("                  4、入库时间：" + warehouse2[0].getWarehousingtime());
                    System.out.println("                5、存放仓库号：" + warehouse2[0].getWarehousenumber());
                    System.out.println("             6、存放位置信息：" + warehouse2[0].getWarehouseplace());
                    System.out.println("               7、入库商品数量：" + warehouse2[0].getItemnumber());
                    System.out.println("**********************************************************");
                    System.out.println("  请选择需要修改的内容：");  //choose3
                    break bian;
                }
            }
        }
        int choose3 = sc.nextInt();
        switch (choose3) {
            case 1 -> {
                System.out.println("请修改：");
                String n1 = sc.next();
                warehouse2[0].setItemno(n1);
            }
            case 2 -> {
                System.out.println("请修改：");
                String n2 = sc.next();
                warehouse2[0].setItemname(n2);
            }
            case 3 -> {
                System.out.println("请修改：");
                String n3 = sc.next();
                warehouse2[0].setSuppliername(n3);
            }
            case 4 -> {
                System.out.println("请修改：");
                String n4 = sc.next();
                warehouse2[0].setWarehousingtime(n4);
            }
            case 5 -> {
                System.out.println("请修改：");
                String n5 = sc.next();
                warehouse2[0].setWarehousenumber(n5);
            }
            case 6 -> {
                System.out.println("请修改：");
                String n6 = sc.next();
                warehouse2[0].setWarehouseplace(n6);
            }
            case 7 -> {
                System.out.println("请修改：");
                int n7 = sc.nextInt();
                warehouse2[0].setItemnumber(n7);
            }
            default -> {
                System.out.println("该选项不存在，请重新输入");
            }
        }

    }
    //第三次分解 主界面方法：
    public static void mainFrame(WarehouseInformation2[] warehouse2){
        Scanner sc = new Scanner(System.in);
        while(true){
            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("***********************************************************");
            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("***********************************************************");
            System.out.println("    请选择：");
            int choose = sc.nextInt();
            switch(choose){
                case 1 -> goodsWarehousing(warehouse2);     //第三次分解 商品入库方法
                case 2 -> modifyWarehouse(warehouse2);      //第三次分解 商品修改方法
                case 3 -> outboundWarehouse(warehouse2);  //第三次分解 商品出库方法
                case 4 -> countGoods(warehouse2);           //第三次分解 统计商品库存数量方法
                default -> {
                    System.out.println("该选项不存在，请重新输入");
                    break;
                }
            }
        }
    }

    //第三次分解 商品入库方法：
    public static void goodsWarehousing(WarehouseInformation2[] warehouse2){
        Scanner sc = new Scanner(System.in);
        //第二次分解 新增数据：
        addData(warehouse2);


            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("***********************************************************");
            System.out.println("                    商品编号：" + warehouse2[0].getItemno());
            System.out.println("                  商品名称：" + warehouse2[0].getItemname());
            System.out.println("               供货商信息：" + warehouse2[0].getSuppliername());
            System.out.println("                    入库时间：" + warehouse2[0].getWarehousingtime());
            System.out.println("                  存放仓库号：" + warehouse2[0].getWarehousenumber());
            System.out.println("               存放位置信息：" + warehouse2[0].getWarehouseplace());
            System.out.println("                 入库商品数量：" + warehouse2[0].getItemnumber());
            System.out.println("           该商品入库操作已完成，是否提交（Y/N）");
            System.out.println("**********************************************************");
            String choose2 = sc.next();
            if(choose2.equals("N")) {
                warehouse2[0] = null;

            }
//            else if(choose2.equals("Y")){
//                addData(warehouse2);
//214 //            }

    }

    //第三次分解 商品修改方法：
    public static void modifyWarehouse(WarehouseInformation2[] warehouse2){
        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("***********************************************************");
        System.out.println("                  请输入商品编号：XXXXXXXX");
        System.out.println("***********************************************************");

        modifyData(warehouse2);
    }
    //第三次分解 商品出库方法：
    public static void outboundWarehouse(WarehouseInformation2[] warehouse2){
        Scanner sc = new Scanner(System.in);

        big:while(true){
            System.out.println("请输入商品编号：");
            String n2number = sc.next();
            for (int m = 0; m < warehouse2.length; m++) {
                if (warehouse2[m].getItemno().equals(n2number)) {
                    System.out.println("***********************************************************");
                    System.out.println("                    商品编号：" + warehouse2[0].getItemno());
                    System.out.println("                  商品名称：" + warehouse2[0].getItemname());
                    System.out.println("               供货商信息：" + warehouse2[0].getSuppliername());
                    System.out.println("                    入库时间：" + warehouse2[0].getWarehousingtime());
                    System.out.println("                  存放仓库号：" + warehouse2[0].getWarehousenumber());
                    System.out.println("               存放位置信息：" + warehouse2[0].getWarehouseplace());
                    System.out.println("**********************************************************");
                    int num;
                    while(true){
                        System.out.println("请输入出库数量：");
                        num = sc.nextInt();
                        if(num <= warehouse2[0].getItemnumber()){
                            break;
                        }else{
                            System.out.println("出库数量错误！");
                        }
                    }
                    countWarehouse(num,warehouse2);
                    break big;
                } else {
                    System.out.println("商品不存在，请重新输入");
                }
            }
        }

    }
    //第三次分解 统计商品库存数量方法：
    public static void countGoods(WarehouseInformation2[] warehouse2){
        //要完成（1）的总数，感觉应该在入库时，添加判断存在信息，直接添加入库数量
        System.out.println("商品编号：" + warehouse2[0].getItemno() + "、商品名称：" + warehouse2[0].getItemname() + "、库存数量：" + warehouse2[0].getItemnumber());
    }
    //格式判断：
    public static boolean geshi(String str){
        //判断录入字符是否为3/8个
        if(str.length() != 8 && str.length() !=3){
            return false;
        }else{
            //判断录入格式是否为数字
            for (int i = 0; i < str.length(); i++) {
                if(!(str.charAt(i)<='9' && str.charAt(i)>= '0')){
                    return false;
                }
            }
        }
        return true;
    }
    //根据商品编号显示库存数量
    public static void countWarehouse(int num, WarehouseInformation2[] warehouse2){
        int snum = 0;
        snum = warehouse2[0].getItemnumber() - num;
        System.out.println("剩余库存数为：" + snum);
        warehouse2[0].setItemnumber(snum);
    }
}

*****************************************************************************************************************************************************************************************

//第一次分解 数据类：
public class WarehouseInformation2 {
    private String itemno;
    private String itemname;
    private String suppliername;
    private String warehousingtime;
    private String shipmenttime;
    private String warehousenumber;
    private String warehouseplace;
    private int itemnumber;
    private int outnumber;

    public WarehouseInformation2() {
    }

    public WarehouseInformation2(String itemno, String itemname, String suppliername, String warehousingtime, String warehousenumber, String shipmenttime, String warehouseplace, int itemnumber, int outnumber) {
        this.itemno = itemno;
        this.itemname = itemname;
        this.suppliername = suppliername;
        this.warehousingtime = warehousingtime;
        this.shipmenttime = shipmenttime;
        this.warehousenumber = warehousenumber;
        this.warehouseplace = warehouseplace;
        this.itemnumber = itemnumber;
        this.outnumber = outnumber;
    }

    public String getItemno() {
        return itemno;
    }

    public void setItemno(String itemno) {
        this.itemno = itemno;
    }

    public String getItemname() {
        return itemname;
    }

    public void setItemname(String itemname) {
        this.itemname = itemname;
    }

    public String getSuppliername() {
        return suppliername;
    }

    public void setSuppliername(String suppliername) {
        this.suppliername = suppliername;
    }

    public String getWarehousingtime() {
        return warehousingtime;
    }

    public void setWarehousingtime(String warehousingtime) {
        this.warehousingtime = warehousingtime;
    }

    public String getShipmenttime() {
        return shipmenttime;
    }

    public void setShipmenttime(String shipmenttime) {
        this.shipmenttime = shipmenttime;
    }

    public String getWarehousenumber() {
        return warehousenumber;
    }

    public void setWarehousenumber(String warehousenumber) {
        this.warehousenumber = warehousenumber;
    }

    public String getWarehouseplace() {
        return warehouseplace;
    }

    public void setWarehouseplace(String warehouseplace) {
        this.warehouseplace = warehouseplace;
    }

    public int getItemnumber() {
        return itemnumber;
    }

    public void setItemnumber(int itemnumber) {
        this.itemnumber = itemnumber;
    }

    public int getOutnumber() {
        return outnumber;
    }

    public void setOutnumber(int outnumber) {
        this.outnumber = outnumber;
    }
}