基础宠物商店管理系统（Java）大一程序设计

一.开发环境

Windows 11 -- JDK 21 -- IDEA 2021.3.3

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二.需求

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 三.代码部分  

//创建一个宠物类，被另外两类继承

public class Pet {
    private String name;
    private int age;
    private String gender;
    private double cost=0;//买进价格
    private double sellprice=0;//卖出价格

    public double getCost() {
        return cost;
    }

    public void setCost(double cost) {
        this.cost = cost;
    }

    public double getSellprice() {
        return sellprice;
    }

    public void setSellprice(int sellprice) {
        this.sellprice = sellprice;
    }

    public Pet(String name, int age, String gender) {
        this.name = name;
        this.age = age;
        this.gender = gender;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getGender() {
        return gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }
}

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public class Dog extends Pet{

    private String breed;//品种

    public Dog(String name, int age, String gender,String breed) {
        super(name, age, gender);
        this.breed=breed;
    }

    public String getBreed() {
        return breed;
    }

    public void setBreed(String breed) {
        this.breed = breed;
    }
}

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public class Cat extends Pet{

    private String isIndoor;//猫类的一个关键属性是否习惯在家里待着

    public Cat(String name, int age, String gender,String isIndoor) {
        super(name, age, gender);
        this.isIndoor=isIndoor;
    }

    public String getIsIndoor() {
        return isIndoor;
    }

    public void setIsIndoor(String isIndoor) {
        this.isIndoor = isIndoor;
    }
}

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import java.util.ArrayList;
import java.util.Scanner;

class  petshop{
    private String name;
    private ArrayList<Pet>stocks;//宠物的库存
    private ArrayList<Pet>sales;//记录销售的信息
    private double revenue;//商店的流动资金

    public petshop(String name){
        this.name=name;
        this.stocks=new ArrayList<>();
        this.sales=new ArrayList<>();
        this.revenue=30000;

    }
    public void buy(Pet pet,double cost){
        pet.setCost(cost);
        stocks.add(pet);
        this.revenue-=cost;

    }

    public void BuyRecord(Pet pet,double cost){
        pet.setCost(cost);
        sales.add(pet);
    }





    //实现检查库存-猫的基本信息
    public void chekStocks_Cat(){
        System.out.println("店内库存-猫的基本信息");
        System.out.println("----------------------------------------");
        System.out.println("姓名：\t年龄：\t性别：\t备注：\t成本：\t");
        for(Pet pet:stocks){
            if(pet instanceof Cat){
                Cat cat =(Cat) pet;
                System.out.println(cat.getName()+"\t"+cat.getAge()+"\t"+cat.getGender()+"\t"+cat.getIsIndoor()+"\t"+cat.getCost());
            }
        }
    }
    //实现检查库存-狗的基本信息
    public void chekStocks_Dog(){
        System.out.println("店内库存-狗的基本信息");
        System.out.println("----------------------------------------");
        System.out.println("姓名：\t年龄：\t性别：\t品种：\t成本：\t");
        for(Pet pet:stocks){
            if(pet instanceof Dog){
                Dog dog =(Dog) pet;
                System.out.println(dog.getName()+"\t"+dog.getAge()+"\t"+dog.getGender()+"\t"+dog.getBreed()+"\t"+dog.getCost());
            }
        }
    }


    //通过输入名字卖出库存中的宠物同时记录这个信息
    public boolean removePetByName(String name,int sellprice){
        for(Pet pet:stocks){
            if(pet.getName().equals(name)){
                stocks.remove(pet);
                recordSellpriceByName(name,sellprice);
                revenue+=sellprice;
                return true;
            }
        }
        return  false;
    }
    //通过名字来修改销售表中的宠物sellprice
    public void recordSellpriceByName(String name,int sellprice){
        for(Pet pet:sales){
            if(pet.getName().equals(name)){
                pet.setSellprice(sellprice);
            }
        }
    }

    public void printSaleReport(){  //实现统计销售和盈利
        double totalProfit=0;
        for(Pet pet:sales){
            if(pet instanceof Dog){ //检查一个pet的对象是否为dog
                Dog dog =(Dog) pet;//Pet 对象强制转换为 Dog 类型，并将结果存储在名为 dog 的变量中。现在，你就可以调用 Dog 类的方法或访问其属性
                totalProfit+=(dog.getSellprice()-dog.getCost());
                System.out.println("Dog "+"名字: "+dog.getName()+" 进价："+dog.getCost()+" ￥ "+" 售出："+dog.getSellprice()+" ￥ "+" 净利润："+(dog.getSellprice()-dog.getCost())+" ￥ ");
            }else if(pet instanceof Cat){
                Cat cat=(Cat)pet;
                totalProfit+=(cat.getSellprice()-cat.getCost());
                System.out.println("Cat "+"名字: "+cat.getName()+" 进价："+cat.getCost()+" ￥ "+" 售出："+cat.getSellprice()+" ￥ "+" 净利润："+(cat.getSellprice()-cat.getCost())+" ￥ ");
            }
        }
        System.out.println("总利润："+totalProfit+" ￥");
        System.out.println("商店流动资金："+revenue);
    }

    public void addPet(Pet pet){
        stocks.add(pet);
    }
}

public class Pet_Manager    {

    public static void printmenu(){
        System.out.println("---------------------------------------");
        System.out.println("欢迎宠物商店管理系统");
        System.out.println("---------------------------------------");
        System.out.println("1. 买进宠物");
        System.out.println("2. 卖出宠物");
        System.out.println("3. 清点宠物库存");
        System.out.println("4. 统计销售和盈利情况");
        System.out.println("0. 退出系统");
        System.out.println("---------------------------------------");
        System.out.print("请输入操作序号：");
    }

    public static void prinemenu2(){
        //System.out.println("----------------------------------------");
        System.out.println("选择一：买进宠物狗");
        System.out.println("选择二：买进宠物猫");
        System.out.println("----------------------------------------");
    }
    public static void prinemenu3(){
        //System.out.println("----------------------------------------");
        System.out.println("选择一：卖出宠物狗");
        System.out.println("选择二：卖出宠物猫");
        System.out.println("----------------------------------------");
    }



    //-----------------主函数
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        petshop petmanager = new petshop("爪印乐园");

        while (true){
            printmenu();

            int opeartion = scanner.nextInt();
            if (opeartion < 0 || opeartion > 4) {
                System.out.println("没有这个选项，请重新选择！");

                scanner.nextLine();

                continue;
            }
            scanner.nextLine();

            switch (opeartion){
                case 1:{
                    System.out.println("您正在使用功能一：买进宠物");
                    System.out.println("---------------------------------------");

                    prinemenu2();
                    System.out.print("请输入操作序号：");
                    int opertation2=scanner.nextInt();
                    System.out.println("---------------------------------------");
                    scanner.nextLine();

                    switch (opertation2){
                        case 1:{
                            System.out.print("请输入狗的名字：");
                            String name = scanner.nextLine();
                            System.out.println("---------------------------------------");

                            System.out.print("请输入狗的年龄：");
                            int age = scanner.nextInt();
                            System.out.println("---------------------------------------");
                            scanner.nextLine();

                            System.out.print("请输入狗的性别：");
                            String gender =scanner.nextLine();
                            System.out.println("---------------------------------------");

                            System.out.print("请输入狗的品种：");
                            String breed =scanner.nextLine();
                            System.out.println("---------------------------------------");

                            System.out.print("请输入买进宠物价格：");
                            int cost= scanner.nextInt();

                            Dog newDog = new Dog(name,age,gender,breed);
                            petmanager.buy(newDog,cost);//买入存入库存
                            //同时要记录这个销售信息
                            petmanager.BuyRecord(newDog,cost);
                            break;
                        }
                        case 2:{
                            System.out.print("请输入猫的名字：");
                            String name = scanner.nextLine();
                            System.out.println("---------------------------------------");

                            System.out.print("请输入猫的年龄：");
                            int age = scanner.nextInt();
                            System.out.println("---------------------------------------");
                            scanner.nextLine();

                            System.out.print("请输入猫的性别：");
                            String gender =scanner.nextLine();
                            System.out.println("---------------------------------------");

                            System.out.print("请输入猫是否喜欢呆在家里|| 喜欢/不喜欢 ：");
                            String isIndoor = scanner.nextLine()+"呆在家里";
                            System.out.println("---------------------------------------");


                            System.out.print("请输入买进宠物价格：");
                            int cost= scanner.nextInt();

                            Cat newCat = new Cat(name,age,gender,isIndoor);
                            petmanager.buy(newCat,cost);//买入存入库存
                            //同时要记录这个销售的信息;
                            petmanager.BuyRecord(newCat,cost);
                            break;
                        }
                        default:break;
                    }
                    break;
                }
                case 2:{
                    System.out.println("您正在使用功能二：卖出宠物");
                    System.out.println("---------------------------------------");

                    prinemenu3();
                    System.out.print("请输入操作序号：");
                    int opertation2=scanner.nextInt();
                    System.out.println("---------------------------------------");
                    scanner.nextLine();

                    switch (opertation2) {
                        case 1:{
                            petmanager.chekStocks_Dog();
                            System.out.println("---------------------------------------");
                            System.out.print("请输入卖出的宠物狗的名字：");
                            String name =scanner.nextLine();
                            System.out.println("---------------------------------------");
                            System.out.print("请输入卖出的宠物狗的价格：");
                            int sellprice = scanner.nextInt();
                            //同时移除库存中宠物的数据和记录销售记录
                            boolean isRemoved = petmanager.removePetByName(name,sellprice);
                            if(isRemoved){
                                System.out.println("---------------------------------------");
                                System.out.println("成功卖出名为 " + name + " 的宠物");
                            }else {
                                System.out.println("---------------------------------------");
                                System.out.println("没有找到改宠物");
                            }

                            scanner.nextLine();
                            break;
                        }
                        case 2:{
                            petmanager.chekStocks_Cat();

                            System.out.println("---------------------------------------");
                            System.out.print("请输入卖出的宠物猫的名字：");
                            String name =scanner.nextLine();
                            System.out.println("---------------------------------------");
                            System.out.print("请输入卖出的宠物猫的价格：");
                            int sellprice = scanner.nextInt();
                            //同时移除库存中宠物的数据和记录销售记录
                            boolean isRemoved = petmanager.removePetByName(name,sellprice);
                            if(isRemoved){
                                System.out.println("---------------------------------------");
                                System.out.println("成功卖出名为 " + name + " 的宠物");
                            }else {
                                System.out.println("---------------------------------------");
                                System.out.println("没有找到改宠物");
                            }

                            scanner.nextLine();
                            break;
                        }
                        default:break;
                    }

                    break;
                }
                case 3:{
                    System.out.println("您正在使用功能三：清点宠物库存");
                    System.out.println("---------------------------------------");
                    petmanager.chekStocks_Dog();
                    System.out.println("---------------------------------------");
                    petmanager.chekStocks_Cat();
                    scanner.nextLine();
                    break;
                }
                case 4:{
                    System.out.println("您正在使用功能四：统计销售情况");
                    System.out.println("---------------------------------------");
                    petmanager.printSaleReport();

                    scanner.nextLine();
                    break;
                }
                case 0:{
                    System.exit(0);
                }
            }
        }
    }
}