仓库管理系统WarehouseManagement类

package demo3;

import java.util.ArrayList;
import java.util.Objects;
import java.util.Scanner;
public class WarehouseManagement {
    public static void main(String[] args) {
        ArrayList<WarehouseInformation> list = new ArrayList<>();
        boolean key = true;
        while (key) {
            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("**********************************************************");
            Scanner sc = new Scanner(System.in);
            System.out.println("请输入数字");
            int m = sc.nextInt();
            switch (m)
            {
                case 1:
                    goodsManage(list);break;
                case 2:
                    goodsModify(list);break;
                case 3:
                    goodsOutbound(list);break;
                case 4:
                    goodsOutput(list);break;
            }
        }
    }
    public static void goodsManage(ArrayList<WarehouseInformation> list) {
        WarehouseInformation w1= new WarehouseInformation();
        Scanner s=new Scanner(System.in);
        while(true) {
            System.out.println("请输入商品编号");
            String n1=s.next();
            boolean b1=num(n1);
            if(b1){
                w1.setItemnumnow(n1);
                break;
            }else{
                System.out.println("输入错误请从新输入");
                continue;
            }
        }

        System.out.println("请输入商品名称");
        String n2=s.next();
         w1.setItemname(n2);

        System.out.println("请输入供货商信息");
        String n3=s.next();
        w1.setSuppliername(n3);

        while(true) {
            System.out.println("请输入入库时间");
            String n4 = s.next();
            boolean b4=num(n4);
            if(b4){
                w1.setWarehousingtime(n4);
                break;
            }else{
                System.out.println("输入错误请从新输入");
                continue;
            }
        }

        while(true) {
            System.out.println("请输入存放仓库号");
            String n5=s.next();
            boolean b5=num(n5);
            if(b5){
                w1.setWarehousenumber(n5);
                break;
            }else{
                System.out.println("输入错误请从新输入");
                continue;
            }
        }

        while(true) {
            System.out.println("请输入存放位置信息");
            String n6=s.next();
            boolean b6=num(n6);
            if(b6){
                w1.setWarehouseplace(n6);
                break;
            }else{
                System.out.println("输入错误请从新输入");
                continue;
            }
        }

            System.out.println("请输入商品数量");
            int n7=s.nextInt();
                w1.setItemnumber(n7);

        Print1(w1);
        System.out.println("该商品入库操作已完成，是否提交（Y/N）");
        System.out.println("**********************************************************");
        System.out.println("请输入Y或N");
        String k=s.next();
        if(Objects.equals(k, "Y")){
            list.add(w1);
        }else{
            return;
        }
    }
    public static void goodsModify(ArrayList<WarehouseInformation>list) {
        while(true) {
            Scanner c = new Scanner(System.in);
            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：");
            String now = c.next();
            int count = Ergodic(list, now);
            if (count < 0) {
                System.out.println("查询不到此商品信息");
                continue;
            }
            WarehouseInformation m=list.get(count);
            Print2(m);
            System.out.println("请选择需要修改的信息编号（1-7）：");
            int n=c.nextInt();
            switch (n){
                case 1:
                    System.out.println("请输入修改后的商品编号：");
                    String h1=c.next();
                    m.setItemnumnow(h1);
                    break;
                case 2:
                    System.out.println("请输入修改后的商品名称：");
                    String h2=c.next();
                    m.setItemname(h2);
                    break;
                case 3:
                    System.out.println("请输入修改后的供货商名字：");
                    String h3=c.next();
                    m.setSuppliername(h3);
                    break;
                case 4:
                    System.out.println("请输入修改后的入库时间");
                    String h4=c.next();
                    m.setWarehousingtime(h4);
                    break;
                case 5:
                    System.out.println("请输入修改后的存放仓库号");
                    String h5=c.next();
                    m.setWarehousenumber(h5);
                    break;
                case 6:
                    System.out.println("请输入修改后的仓库位置");
                    String h6=c.next();
                    m.setWarehouseplace(h6);
                    break;
                case 7:
                    System.out.println("请输入修改后的商品数量");
                    int h7=c.nextInt();
                    m.setItemnumber(h7);
                    break;
                default:
                    throw new IllegalStateException("输入错误: " + n);
            }
            System.out.println("**********************************************************");
            System.out.println("请输入Y保存信息，N不保存");
            String key1=c.next();
            if(key1.equals("Y")){
                list.remove(count);
                list.add(m);
                System.out.println("数据修改成功");
                break;
            }else{
                break;
            }
        }
    }
    public static void goodsOutbound(ArrayList<WarehouseInformation>list){
        Scanner l=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.print("请输入商品编号：");
            String k=l.next();
            int p= Ergodic(list,k);
            System.out.println("**********************************************************");
            if(p<0){
                System.out.println("输入错误,请从新输入");
                continue;
            }
            WarehouseInformation kk=list.get(p);
            Print1(kk);
            System.out.print("出库时间:");
            int chu=l.nextInt();
            System.out.print("出库数量:");
            int shu=l.nextInt();
            kk.setOutnumber(shu);
            int m=kk.getItemnumber()-shu;
            if(m<0){
                System.out.println("出库失败");
            }else{
                System.out.println("请输入Y保存信息,N不修改");
                String key1=l.next();
                if(key1.equals("Y")){
                    list.remove(p);
                    list.add(kk);
                    break;
                }else if(key1.equals("N"))
                {
                    break;
                }
            }
        }
    }
    public static void goodsOutput(ArrayList<WarehouseInformation>list){
        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("***********************************************************");
        for(int i=0;i< list.size();i++){
            WarehouseInformation w=list.get(i);
            int n1=w.getItemnumber();
            int n2=w.getOutnumber();
            int number=n1-n2;
            System.out.println("1.      商品编号："+w.getItemnumnow()+"、商品名称："+w.getItemname()+"、库存数量："+number);
        }
        System.out.println("**********************************************************");
    }
    public static void Print1(WarehouseInformation w2){
        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："+w2.getItemnumnow());
        System.out.println("商品名称："+w2.getItemname());
        System.out.println("供货商信息："+w2.getSuppliername());
        System.out.println("入库时间："+w2.getWarehousingtime());
        System.out.println("存放仓库号："+w2.getWarehousenumber());
        System.out.println("存放位置信息："+w2.getWarehouseplace());
        System.out.println("入库商品数量："+w2.getItemnumber());
    }
    public static void Print2(WarehouseInformation w2){
        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："+w2.getItemnumnow());
        System.out.println("2.商品名称："+w2.getItemname());
        System.out.println("3.供货商信息："+w2.getSuppliername());
        System.out.println("4.入库时间："+w2.getWarehousingtime());
        System.out.println("5.存放仓库号："+w2.getWarehousenumber());
        System.out.println("6.存放位置信息："+w2.getWarehouseplace());
        System.out.println("7.入库商品数量："+w2.getItemnumber());
    }
    public static boolean num(String m){
        for(int i=0;i<m.length();i++)
        {
            char a=m.charAt(i);
            if(a<'0'||a>'9'){
                return false;
            }
        }
        return true;
    }
    public static int Ergodic(ArrayList<WarehouseInformation>list, String m){
        for(int i=0;i<list.size();i++)
        {
            WarehouseInformation ww=list.get(i);
            if(m.equals(ww.getItemnumnow())){
                return i;
            }
        }
        return -1;
    }
}