Java项目案例:酒店前台客服管理系统

来源：互联网发布：程序员叫美女什么编辑：程序博客网时间：2024/04/26 16:39
import java.util.Scanner;public class HelloWorld {public static void main(String[] args){String [][] room = new String[12][10];System.out.println("欢迎来到本酒店");System.out.println("请输入要操作的命令:" +   "serach:查询房间的状态"+"in:办理入住"+    "out:办理退房"+"quit:退出本系统");Scanner s = new Scanner(System.in);//比较字符串相同---->"in. equals(command)"while(true){String command = s.next() ;if("init".equals(command)){init(room);}else if("serach".equals(command)){search(room);}else if("quit".equals(command)){System.out.println("欢迎再次光临本酒店!");break ;}else if("in".equals(command)){in(room);}else if("out".equals(command)){out(room);}else{System.out.println("输入有误，请重新输入:");}}} //输入房间号，直接退房---->需要判断房间是否存在，是否有入住public static void out(String[][]rooms){System.out.println("请输入房间:");Scanner s = new Scanner(System.in);int roomNo = s.nextInt();//需要把房间号转换层楼层和房间--->使其和数组的下标去对应int floor = roomNo / 100 ; //--->根据房间号得到楼层//房间号int no = roomNo % 100 ; //得到楼层的房间号 if(floor < 1 || floor > 12 || no < 1 || no > 10){ //入住函数结束System.out.println("输入的房间号有误,请输入out命令继续操作:");return ;}if("EMPTY".equals(rooms[floor-1][no-1])){System.out.println("该房间没人入住，不需要退房,请输入out命令继续操作:");return ;}rooms[floor-1][no-1] = "EMPTY";System.out.println("该房间退房成功");}public static void search(String[][] rooms){//打印房间号for(int i = 0 ; i < rooms.length ; i++){for(int j = 0 ; j < rooms[i].length ; j++){if(i <= 9 ){System.out.print("0");}int roomNo = (i+1)*100 + j+1 ;System.out.print(roomNo + "\t");}System.out.println();//打印房间的状态for(int k = 0 ; k < rooms[i].length ; k++){System.out.print(rooms[i][k] + "\t");}System.out.println();}} //可拓展，可以先列出可入住的房间，在让用户输入房间号public static void in(String[][] rooms){System.out.println("图示的房间代号为:EMPTY的为可入住房间");//打印现有的房间信息search(rooms);System.out.println();System.out.println("请输入房间号:");Scanner s = new Scanner(System.in);int roomNo = s.nextInt();//需要把房间号转换层楼层和房间--->使其和数组的下标去对应int floor = roomNo / 100 ; //--->根据房间号得到楼层//房间号int no = roomNo % 100 ; //得到楼层的房间号 if(floor < 1 || floor > 12 || no < 1 || no > 10){ //入住函数结束System.out.println("输入的房间号有误,请输入in命令继续操作:");return ;}//判断房间是否有人入住if("EMPTY".equals(rooms[floor-1][no-1])){System.out.println("请输入您的姓名:");String name = s.next();rooms[floor-1][no-1] = name ; //对数组进行赋值操作System.out.println("恭喜您，入住成功!");}else {System.out.println(roomNo+"已经有人入住,请输入in命令继续操作:");return ;}}public static void init(String[][] rooms){for(int i = 0 ; i < rooms.length ; i++){for(int j = 0 ; j < rooms[i].length ; j++){rooms[i][j] = "EMPTY";}}System.out.println("房间初始化完毕");}}
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