用JAVA写一个酒店管理系统

好的，酒店管理系统可以分为客房管理、顾客管理、订单管理三个部分，下面我来简单介绍一下如何用JAVA实现一个酒店管理系统。

1.客房管理

客房管理主要包括客房信息的录入、查询、修改和删除，以下是部分代码示例：

public class Room {
    private int id; //客房编号
    private String type; //客房类型
    private String status; //客房状态

    //构造方法
    public Room(int id, String type, String status) {
        this.id = id;
        this.type = type;
        this.status = status;
    }

    //getter和setter方法
    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }
}

public class RoomManage {
    private List<Room> roomList; //客房列表

    //构造方法
    public RoomManage() {
        roomList = new ArrayList<>();
    }

    //添加客房
    public void addRoom(Room room) {
        roomList.add(room);
    }

    //查询客房
    public Room findRoom(int id) {
        for (Room room : roomList) {
            if (room.getId() == id) {
                return room;
            }
        }
        return null;
    }

    //修改客房
    public void updateRoom(Room room) {
        Room oldRoom = findRoom(room.getId());
        oldRoom.setType(room.getType());
        oldRoom.setStatus(room.getStatus());
    }

    //删除客房
    public void deleteRoom(int id) {
        Room room = findRoom(id);
        roomList.remove(room);
    }
}

2.顾客管理

顾客管理主要包括顾客信息的录入、查询、修改和删除，以下是部分代码示例：

public class Customer {
    private int id; //顾客编号
    private String name; //顾客姓名
    private String phone; //顾客电话

    //构造方法
    public Customer(int id, String name, String phone) {
        this.id = id;
        this.name = name;
        this.phone = phone;
    }

    //getter和setter方法
    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

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

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }
}

public class CustomerManage {
    private List<Customer> customerList; //顾客列表

    //构造方法
    public CustomerManage() {
        customerList = new ArrayList<>();
    }

    //添加顾客
    public void addCustomer(Customer customer) {
        customerList.add(customer);
    }

    //查询顾客
    public Customer findCustomer(int id) {
        for (Customer customer : customerList) {
            if (customer.getId() == id) {
                return customer;
            }
        }
        return null;
    }

    //修改顾客
    public void updateCustomer(Customer customer) {
        Customer oldCustomer = findCustomer(customer.getId());
        oldCustomer.setName(customer.getName());
        oldCustomer.setPhone(customer.getPhone());
    }

    //删除顾客
    public void deleteCustomer(int id) {
        Customer customer = findCustomer(id);
        customerList.remove(customer);
    }
}

3.订单管理

订单管理主要包括订单的录入、查询、修改和删除，以下是部分代码示例：

public class Order {
    private int id; //订单编号
    private int roomId; //客房编号
    private int customerId; //顾客编号
    private String checkInDate; //入住日期
    private String checkOutDate; //退房日期
    private int price; //订单价格

    //构造方法
    public Order(int id, int roomId, int customerId, String checkInDate, String checkOutDate, int price) {
        this.id = id;
        this.roomId = roomId;
        this.customerId = customerId;
        this.checkInDate = checkInDate;
        this.checkOutDate = checkOutDate;
        this.price = price;
    }

    //getter和setter方法
    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public int getRoomId() {
        return roomId;
    }

    public void setRoomId(int roomId) {
        this.roomId = roomId;
    }

    public int getCustomerId() {
        return customerId;
    }

    public void setCustomerId(int customerId) {
        this.customerId = customerId;
    }

    public String getCheckInDate() {
        return checkInDate;
    }

    public void setCheckInDate(String checkInDate) {
        this.checkInDate = checkInDate;
    }

    public String getCheckOutDate() {
        return checkOutDate;
    }

    public void setCheckOutDate(String checkOutDate) {
        this.checkOutDate = checkOutDate;
    }

    public int getPrice() {
        return price;
    }

    public void setPrice(int price) {
        this.price = price;
    }
}

public class OrderManage {
    private List<Order> orderList; //订单列表

    //构造方法
    public OrderManage() {
        orderList = new ArrayList<>();
    }

    //添加订单
    public void addOrder(Order order) {
        orderList.add(order);
    }

    //查询订单
    public Order findOrder(int id) {
        for (Order order : orderList) {
            if (order.getId() == id) {
                return order;
            }
        }
        return null;
    }

    //修改订单
    public void updateOrder(Order order) {
        Order oldOrder = findOrder(order.getId());
        oldOrder.setRoomId(order.getRoomId());
        oldOrder.setCustomerId(order.getCustomerId());
        oldOrder.setCheckInDate(order.getCheckInDate());
        oldOrder.setCheckOutDate(order.getCheckOutDate());
        oldOrder.setPrice(order.getPrice());
    }

    //删除订单
    public void deleteOrder(int id) {
        Order order = findOrder(id);
        orderList.remove(order);
    }
}

以上是酒店管理系统的核心代码，你可以根据自己的需要进行修改和完善。