首页 > 分享 > 宠物交易系统，分为宠物主人和宠物商店两种角色，宠物主人可以购买宠物或将已有的宠物卖给商店，宠物商店可以购买宠物、卖出宠物、培育宠物、查询待售宠物、查看商店账目和开设新的宠物商店。系统启动后会显示所有宠物主人、宠物和宠物商店信息，并提示两种角色登录。编写Java代码

宠物交易系统，分为宠物主人和宠物商店两种角色，宠物主人可以购买宠物或将已有的宠物卖给商店，宠物商店可以购买宠物、卖出宠物、培育宠物、查询待售宠物、查看商店账目和开设新的宠物商店。系统启动后会显示所有宠物主人、宠物和宠物商店信息，并提示两种角色登录。编写Java代码

萌宠菠菠乐园
2024-10-29 23:39

好的，以下是一个简单的Java代码示例，实现了宠物交易系统的基本功能：

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

public class PetTradeSystem { // 宠物类 public static class Pet { private String type; // 宠物类型 private String name; // 宠物名字 private int age; // 宠物年龄 private int health; // 宠物健康值 private int love; // 宠物爱心指数 private String shop; // 所属商店

public Pet(String type, String name, int age, int health, int love, String shop) { this.type = type; this.name = name; this.age = age; this.health = health; this.love = love; this.shop = shop; } public String getType() { return type; } public String getName() { return name; } public int getAge() { return age; } public int getHealth() { return health; } public int getLove() { return love; } public String getShop() { return shop; } @Override public String toString() { return "宠物类型：" + type + "，宠物名字：" + name + "，宠物年龄：" + age + "岁，宠物健康值：" + health + "，宠物爱心指数：" + love + "，所属商店：" + shop; } } // 宠物主人类 public static class PetOwner { private String name; // 主人名字 private int money; // 主人账户余额 private ArrayList<Pet> pets; // 主人拥有的宠物 public PetOwner(String name, int money) { this.name = name; this.money = money; this.pets = new ArrayList<>(); } public String getName() { return name; } public int getMoney() { return money; } public void setMoney(int money) { this.money = money; } public ArrayList<Pet> getPets() { return pets; } public void addPet(Pet pet) { pets.add(pet); } public void removePet(Pet pet) { pets.remove(pet); } @Override public String toString() { return "主人名字：" + name + "，账户余额：" + money; } } // 宠物商店类 public static class PetShop { private String name; // 商店名字 private String password; // 商店密码 private int money; // 商店账户余额 private ArrayList<Pet> pets; // 商店拥有的宠物 public PetShop(String name, String password, int money) { this.name = name; this.password = password; this.money = money; this.pets = new ArrayList<>(); } public String getName() { return name; } public String getPassword() { return password; } public int getMoney() { return money; } public void setMoney(int money) { this.money = money; } public ArrayList<Pet> getPets() { return pets; } public void addPet(Pet pet) { pets.add(pet); } public void removePet(Pet pet) { pets.remove(pet); } @Override public String toString() { return "商店名字：" + name + "，账户余额：" + money; } } private static Scanner sc = new Scanner(System.in); private static ArrayList<PetOwner> petOwners = new ArrayList<>(); private static ArrayList<PetShop> petShops = new ArrayList<>(); private static ArrayList<Pet> pets = new ArrayList<>(); private static ArrayList<String> logs = new ArrayList<>(); // 记录交易日志 public static void main(String[] args) { // 添加几只宠物 pets.add(new Pet("狗", "旺财", 3, 80, 90, "宠物之家")); pets.add(new Pet("猫", "咪咪", 2, 90, 80, "宠物之家")); pets.add(new Pet("鸟", "小鸟", 1, 70, 95, "宠物之家")); // 添加几个宠物主人 petOwners.add(new PetOwner("张三", 100)); petOwners.add(new PetOwner("李四", 50)); // 添加几个宠物商店 petShops.add(new PetShop("宠物之家", "123456", 500)); petShops.add(new PetShop("宠物乐园", "654321", 300)); while (true) { System.out.println("欢迎使用宠物交易系统，请选择登录角色："); System.out.println("1. 宠物主人"); System.out.println("2. 宠物商店"); System.out.println("3. 退出系统"); int choice = sc.nextInt(); sc.nextLine(); // 读取换行符 switch (choice) { case 1: petOwnerLogin(); break; case 2: petShopLogin(); break; case 3: System.out.println("感谢使用宠物交易系统，再见！"); System.exit(0); default: System.out.println("无效选项，请重新选择！"); break; } } } // 宠物主人登录 private static void petOwnerLogin() { System.out.println("请输入主人名字："); String name = sc.nextLine(); for (PetOwner petOwner : petOwners) { if (petOwner.getName().equals(name)) { System.out.println("欢迎回来，" + name + "！"); petOwnerOperate(petOwner); return; } } System.out.println("主人名字不存在，请重新选择登录角色！"); } // 宠物主人操作 private static void petOwnerOperate(PetOwner petOwner) { while (true) { System.out.println("请选择功能："); System.out.println("1. 购买宠物"); System.out.println("2. 卖出宠物"); System.out.println("3. 返回登录界面"); int choice = sc.nextInt(); sc.nextLine(); // 读取换行符 switch (choice) { case 1: buyPet(petOwner); break; case 2: sellPet(petOwner); break; case 3: return; default: System.out.println("无效选项，请重新选择！"); break; } } } // 宠物商店登录 private static void petShopLogin() { System.out.println("请输入商店名字："); String name = sc.nextLine(); System.out.println("请输入商店密码："); String password = sc.nextLine(); for (PetShop petShop : petShops) { if (petShop.getName().equals(name) && petShop.getPassword().equals(password)) { System.out.println("欢迎回来，" + name + "！"); petShopOperate(petShop); return; } } System.out.println("商店名字或密码错误，请重新选择登录角色！"); } // 宠物商店操作 private static void petShopOperate(PetShop petShop) { while (true) { System.out.println("请选择功能："); System.out.println("1. 购买宠物"); System.out.println("2. 卖出宠物"); System.out.println("3. 培育宠物"); System.out.println("4. 查询待售宠物"); System.out.println("5. 查看商店结余"); System.out.println("6. 查看商店账目"); System.out.println("7. 开设新的宠物商店"); int choice = sc.nextInt(); sc.nextLine(); // 读取换行符 switch (choice) { case 1: buyPet(petShop); break; case 2: sellPet(petShop); break; case 3: breedPet(petShop); break; case 4: showPets(petShop.getPets()); break; case 5: System.out.println("商店账户余额：" + petShop.getMoney()); break; case 6: showLogs(petShop.getName()); break; case 7: createPetShop(); break; default: System.out.println("无效选项，请重新选择！"); break; } } } // 购买宠物 private static void buyPet(Object obj) { ArrayList<Pet> availablePets = new ArrayList<>(); for (Pet pet : pets) { if (pet.getShop().equals("宠物之家") || obj instanceof PetShop && pet.getShop().equals(((PetShop) obj).getName())) { availablePets.add(pet); } } showPets(availablePets); System.out.println("请选择要购买的宠物编号："); int index = sc.nextInt(); sc.nextLine(); // 读取换行符 Pet pet = availablePets.get(index - 1); if (pet.getAge() <= 5) { petOwners.get(0).setMoney(petOwners.get(0).getMoney() - 5); if (obj instanceof PetShop) { ((PetShop) obj).setMoney(((PetShop) obj).getMoney() + 5); } else { pet.setShop(((PetOwner) obj).getName()); } logs.add("购买宠物：" + pet.getName() + "，价格：5元"); } else { petOwners.get(0).setMoney(petOwners.get(0).getMoney() - 3); if (obj instanceof PetShop) { ((PetShop) obj).setMoney(((PetShop) obj).getMoney() + 3); } else { pet.setShop(((PetOwner) obj).getName()); } logs.add("购买宠物：" + pet.getName() + "，价格：3元"); } if (obj instanceof PetShop) { ((PetShop) obj).addPet(pet); } else { ((PetOwner) obj).addPet(pet); } System.out.println("购买成功！"); } // 卖出宠物 private static void sellPet(Object obj) { PetOwner petOwner = null; PetShop petShop = null; if (obj instanceof PetOwner) { petOwner = (PetOwner) obj; } else { petShop = (PetShop) obj; } showPets(petOwner != null ? petOwner.getPets() : petShop.getPets()); System.out.println("请选择要卖出的宠物编号："); int index = sc.nextInt(); sc.nextLine(); // 读取换行符 Pet pet = petOwner != null ? petOwner.getPets().get(index - 1) : petShop.getPets