【java】酒店管理小项目

Test：

import java.util.Scanner;

public class HotelSys {
    public static void main(String[] args) {
        Hotel hotel = new Hotel();
        System.out.println("======欢迎使用酒店管理系统======");
        System.out.println("请输入操作指令：[1]查看房间状态，[2]订房，[3]退房，[0]退出系统");
        while(true){

            int shuru = new Scanner(System.in).nextInt();
            if(shuru == 1){
                hotel.print();
            }else if(shuru == 2){
                System.out.print("输入订房编号：");
                int roomNo = new Scanner(System.in).nextInt();
                hotel.dingf(roomNo);
            }else if(shuru == 3){
                System.out.println("输入退房编号：");
                int roomNo =new Scanner(System.in).nextInt();
                hotel.tuif(roomNo);
            }else if(shuru == 0){
                System.out.println("======退出成功======");
                return;
            }else {
                System.out.println("输入有误，请重新输入！");
            }
        }
    }
}

Room：

import java.util.Objects;

public class Room {
    private int no; //房间编号
    private String type; //房间类型
    private boolean status; //房间状态

    public Room(){}
    public Room(int no,String type,boolean status){
        this.no = no;
        this.type = type;
        this.status = status;
    }

    public int getNo(){
        return no;
    }
    public void setNO(int no){
        this.no = no;
    }

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

    public boolean getStatus() {
        return status;
    }
    public void setStatus(boolean status) {
        this.status = status;
    }

    public String toString(){
        return "[" + no +"，"+ type +"，"+ (true ? "空闲" : "占用") +"]";
    }


    public boolean equals(Object obj){
        if(obj == null || !(obj instanceof Room)) return false;
        if(this == obj) return true;
        Room room  = (Room)obj;
        return this.getNo() == room.getNo() && this.getType().equals(room.getType()) && this.getStatus() == room.getStatus();
    }

}

Hotel：

public class Hotel {
    private Room[][] rooms;

    public Hotel(){
        rooms = new Room[3][5];//三层楼5个房间
        for (int i = 0; i < rooms.length; i++) {
            for (int j = 0; j < rooms[i].length; j++) {
                if(i == 0){
                    rooms[i][j] = new Room((i+1)*100+j+1,"标准间",true);
                }else if(i == 1){
                    rooms[i][j] = new Room((i+1)*100+j+1,"单人间",true);
                }else if(i == 2){
                    rooms[i][j] = new Room((i+1)*100+j+1,"双人间",true);
                }

            }

        }
    }

    //打印输出酒店房间状态
    public void print(){
        for (int i = 0; i < rooms.length; i++) {
            for (int j = 0; j < rooms[i].length; j++) {
                Room room = rooms[i][j];
                System.out.print(room);
            }
            System.out.println();
        }
    }

    //订房
    public void dingf(int roomNo){
        Room room = rooms[roomNo / 100 -1][roomNo % 100 -1];
        room.setStatus(false);
        System.out.println(roomNo + "已订房！");
    }
    //退房
    public void tuif(int roomNo){
        Room room = rooms[roomNo/ 100 -1][roomNo % 100 -1];
        room.setStatus(true);
        System.out.println(roomNo + "已退房！");
    }
}