java作业2.商品管理系统重写

## 商品管理系统重写

~~~java
package test03;

public class WarehouseInformation {
    private String itemno;//编号
    private String itemname;//名字
    private String suppliername;//供应商
    private String warehousingtime;//入库时间
    private String shipmenttime;//出库时间
    private String warehousenumber;//仓库号
    private String warehouseplace;//具体位置
    private int itemnumber;//入库数量
    private int outnumber;//出库数量

    public WarehouseInformation() {
        this.itemno = "";
        this.itemname = "";
        this.suppliername = "";
        this.warehousingtime = "";
        this.shipmenttime = "";
        this.warehousenumber = "";
        this.warehouseplace = "";
        this.itemnumber = 0;
        this.outnumber = 0;
    }

    public String getItemno() {
        return itemno;
    }

    public void setItemno(String itemno) {
        if(itemno.length() != 8){
            System.out.println("itemno输入格式有误,该项设置失败");
        }
        else{
            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) {
        if(warehousingtime.length() != 8){
            System.out.println("warehousingtime输入格式有误,该项设置失败");
        }
       else {
            this.warehousingtime = warehousingtime;
        }
    }

    public String getShipmenttime() {
        return shipmenttime;
    }

    public void setShipmenttime(String shipmenttime) {
        if(shipmenttime.length() != 8){
            System.out.println("shipmenttime输入格式有误,该项设置失败");
        }
        else{
            this.shipmenttime = shipmenttime;
        }
    }

    public String getWarehousenumber() {
        return warehousenumber;
    }

    public void setWarehousenumber(String warehousenumber) {
        if(warehousenumber.length() != 3){
            System.out.println("warehousenumber输入格式有误,该项设置失败");
        }
        else{
            this.warehousenumber = warehousenumber;
        }
    }

    public String getWarehouseplace() {
        return warehouseplace;
    }

    public void setWarehouseplace(String warehouseplace) {
        if(warehouseplace.length() != 8){
            System.out.println("warehouseplace输入格式有误,该项设置失败");
        }
        else{
            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;
    }

    public WarehouseInformation(String itemno, String itemname, String suppliername, String warehousingtime, String shipmenttime, String warehousenumber, 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  void showInformation()
    {
        System.out.println("*******************************************");
        System.out.println("     石家庄铁道大学前进22软工开发有限公司");
        System.out.println("              仓库管理系统2022版");
        System.out.println("*******************************************");
        System.out.println("               1、商品编号：" + this.getItemno());
        System.out.println("              2、商品名称：" + this.getItemname());
        System.out.println("            3、供货商信息：" + this.getSuppliername());
        System.out.println("           4、入库时间：" + this.getWarehousingtime());
        System.out.println("            5、存放仓库号：" + this.getWarehousenumber());
        System.out.println("           6、存放位置信息：" + this.getWarehouseplace());
        System.out.println("           7、入库商品数量：" + this.getItemnumber());
    }
}

~~~

~~~java 
package test03;
import java.util.Scanner;
public class WarehouseManagement {
    static int N = 0;
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        WarehouseInformation[] w = new WarehouseInformation[5];
        for(int i = 0;i<5;i++){
            w[i] = new WarehouseInformation();
        }
        while (true) {
            print();
            System.out.print("请输入选项：");
            int choice = scanner.nextInt();
            scanner.nextLine();
            switch (choice) {
                case 1:
                    InHouse(scanner, w);
                    break;
                case 2:
                    ReviseInformation(scanner,w);
                    break;
                case 3:

                    OutHouse(scanner,w);
                    break;
                case 4:
                    show(scanner,w);
                    break;
                default:
                    System.out.println("该选项不存在");
                    break;
            }
        }
    }
    static void InHouse(Scanner scanner, WarehouseInformation[] w) {
        WarehouseInformation tmp = new WarehouseInformation();
        tmp = w[N];
        int n1 = 8;
        int n2 = 3;
        boolean flag = true;
        String itemno = "";
        String warehousingtime = "";
        String warehousenumber ="";
        String warehouseplace = "";

        System.out.print("请输入商品编号：");
        itemno = inLegal(flag,n1,itemno,scanner);
        flag = true;

        System.out.print("请输入商品名称：");
        String itemname = scanner.nextLine();

        System.out.print("请输入供货商信息：");
        String suppliername = scanner.nextLine();

        System.out.print("请输入入库时间：");
        warehousingtime = inLegal(flag,n1,warehousingtime,scanner);
        flag = true;

        System.out.print("请输入存放仓库号：");
        warehousenumber = inLegal(flag,n2,warehousenumber,scanner);
        flag = true;

        System.out.print("请输入存放位置信息：");
        warehouseplace = inLegal(flag,n1,warehouseplace,scanner);
        flag = true;

        System.out.print("请输入入库商品数量：");
        int itemnumber = scanner.nextInt();
        scanner.nextLine();

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

        String c = scanner.nextLine();
        if (c.equals("Y")) {
            N++;
            tmp.setItemno(itemno);
            tmp.setItemname(itemname);
            tmp.setSuppliername(suppliername);
            tmp.setWarehousingtime(warehousingtime);
            tmp.setWarehousenumber(warehousenumber);
            tmp.setWarehouseplace(warehouseplace);
            tmp.setItemnumber(itemnumber);
            System.out.println("保存成功");
            return;
        } else {
            return;
        }
    }

    static void ReviseInformation(Scanner scanner, WarehouseInformation[] w) {
        WarehouseInformation tmp = new WarehouseInformation();
        boolean flag1 = true;
        while (true) {
            System.out.println("*******************************************");
            System.out.println("     石家庄铁道大学前进22软工开发有限公司");
            System.out.println("              仓库管理系统2022版");
            System.out.println("*******************************************");
            System.out.print("           请输入商品编号(输入111退出)：");
            String b = scanner.nextLine();
            if(b.equals("111")) return;
            for (int i = 0; i < 5; i++) {
                tmp = w[i];
                if (b.equals(tmp.getItemno())) {
                    flag1 = false;
                    tmp.showInformation();
                    System.out.print("        请输入需要修改的信息编号（1-7）:");
                    int choice = scanner.nextInt();
                    scanner.nextLine();
                    switch (choice) {
                        case 1:
                            Revise(choice,tmp,scanner);
                            break;
                        case 2:
                            Revise(choice,tmp,scanner);
                            break;
                        case 3:
                            Revise(choice,tmp,scanner);
                            break;
                        case 4:
                            Revise(choice,tmp,scanner);
                            break;
                        case 5:
                            Revise(choice,tmp,scanner);
                            break;
                        case 6:
                            Revise(choice,tmp,scanner);
                            break;
                        case 7:
                            System.out.print("请输入修改后的入库商品数量：");
                            int qi = scanner.nextInt();
                            scanner.nextLine();
                            System.out.println("是否保存信息（Y/N）:");
                            String a7 = scanner.nextLine();
                            if (a7.equals("Y")) {
                                tmp.setItemnumber(qi);
                                System.out.println("保存成功");
                                return;
                            }
                            scanner.nextLine();
                            break;
                        default:
                            System.out.println("该选项不存在");
                            scanner.nextLine();
                            return;
                    }
                    System.out.println("*******************************************");
                }
            }
            if(flag1){
                System.out.println("库中没有该商品");
                return;
            }
        }
    }
    static void OutHouse(Scanner scanner, WarehouseInformation[] w) {
        WarehouseInformation tmp = new WarehouseInformation();
        boolean flag = true;
        while (true) {
            System.out.println("*******************************************");
            System.out.println("     石家庄铁道大学前进22软工开发有限公司");
            System.out.println("              仓库管理系统2022版");
            System.out.println("*******************************************");
            System.out.print("           请输入商品编号(输入111退出)：");
            String b = scanner.nextLine();
            if(b.equals("111")) return;
            for (int i = 0; i < 5; i++) {
                tmp = w[i];
                if (b.equals(tmp.getItemno())) {
                    flag = false;
                    tmp.showInformation();
                    System.out.print("           请输入出库时间：");
                    String shipmenttime = scanner.nextLine();
                    int outTime = Integer.parseInt(shipmenttime);
                    int inTime = Integer.parseInt(tmp.getWarehousingtime());
                    if(outTime<inTime){
                        System.out.println("出库时间不得小于入库时间");
                        return;
                    }
                    System.out.print("           请输入出库数量：");
                    int outnumber = scanner.nextInt();
                    scanner.nextLine();
                    int sumNumber = tmp.getItemnumber()-tmp.getOutnumber();
                    if(outnumber>sumNumber){
                        System.out.println("出库数量不得大于库存数量");
                        return;
                    }
                    System.out.print("是否保存信息（Y/N）:");
                    String flag1 = scanner.nextLine();
                    if (flag1.equals("Y")) {
                        tmp.setShipmenttime(shipmenttime);
                        int num = tmp.getItemnumber();
                        tmp.setOutnumber(outnumber);
                        System.out.println("保存成功");
                        return;
                    }
                    else{
                        System.out.println("未保存，已退出");
                        return;
                    }
                }
            }
        }
    }
    static void show(Scanner scanner, WarehouseInformation[] w)
    {
        WarehouseInformation tmp = new WarehouseInformation();
        for(int i = 0;i<5;i++)
        {
            tmp = w[i];
            System.out.println("商品编号："+tmp.getItemno()+"  商品名称："+tmp.getItemname()+"  库存数量："+(tmp.getItemnumber()-tmp.getOutnumber()));
        }
    }
    static void print(){
        System.out.println("*******************************************");
        System.out.println("     石家庄铁道大学前进22软工开发有限公司");
        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("*******************************************");
    }
    static void inprint(String itemno,String itemname,String suppliername,String warehousingtime,String warehousenumber,String warehouseplace,int itemnumber){
        System.out.println("*******************************************");
        System.out.println("     石家庄铁道大学前进22软工开发有限公司");
        System.out.println("              仓库管理系统2022版");
        System.out.println("*******************************************");
        System.out.println("               商品编号：" + itemno);
        System.out.println("              商品名称：" + itemname);
        System.out.println("            供货商信息：" + suppliername);
        System.out.println("           入库时间：" + warehousingtime);
        System.out.println("            存放仓库号：" + warehousenumber);
        System.out.println("           存放位置信息：" + warehouseplace);
        System.out.println("           入库商品数量：" + itemnumber);
        System.out.println("       该商品入库操作已完成，是否提交（Y/N）");
        System.out.println("*******************************************");
    }
    static void add(Scanner scanner,WarehouseInformation[] w){
        WarehouseInformation tmp1 = new WarehouseInformation();
        WarehouseInformation tmp2 = new WarehouseInformation();
        for(int i = 0;i<5;i++){
            tmp1 = w[i];
            for(int j = 1;j<5;j++){
                tmp2 = w[j];
                if(i!=j&&tmp1.getItemno().equals(tmp2.getItemno())){
                    tmp1.setItemnumber(tmp1.getItemnumber()+tmp2.getItemnumber());
                    tmp2.setItemnumber(tmp1.getItemnumber()+tmp2.getItemnumber());
                }
            }
        }
    }
    static String inLegal(boolean flag,int n,String s,Scanner scanner){
        while (flag) {
            s = scanner.nextLine();
            if (s.length() != n) {
                System.out.print("输入格式有误，请重新输入:");
            } else {
                flag = false;
            }
        }
        return s;
    }
    static void Revise(int choice,WarehouseInformation tmp ,Scanner scanner){
        System.out.print("请输入修改后的商品信息：");
        String revise = scanner.nextLine();
        System.out.println("是否保存信息（Y/N）:");
        String flag = scanner.nextLine();
        if (flag.equals("Y")) {
            switch(choice){
                case 1:
                    tmp.setItemno(revise);
                    break;
                case 2:
                    tmp.setItemname(revise);
                    break;
                case 3:
                    tmp.setSuppliername(revise);
                    break;
                case 4:
                    tmp.setWarehousingtime(revise);
                    break;
                case 5:
                    tmp.setWarehousenumber(revise);
                    break;
                case 6:
                    tmp.setWarehouseplace(revise);
                    break;
            }
            System.out.println("保存成功");
        }
    }
}