import java.util.Random;
import java.util.Scanner;
public class 储物箱 {
private static int[] lockers = new int[24];
private static int[] pass = new int[24];
private static Random random = new Random();
private static Scanner sc=new Scanner(System.in);
public static void main(String[] args) {
initialization();// 初始化箱子
// 显示箱子状态，主菜单
displayLockers();// 显示箱子状态，主菜单
}
// 初始化箱子，所有箱子都设置为空（0）
public static void initialization() {
for (int i = 0; i < lockers.length; i++) {
lockers[i] = 0;
}
}
//储物柜显示
public static void displayLockers() {
System.out.println("欢迎进入储物箱管理系统！");
Range(0, lockers.length / 2);
Range(lockers.length / 2, lockers.length);
System.out.println();
System.out.println("1.存包\t2.取包\t0.退出");
System.out.print("请选择：");
int select=sc.nextInt();
switch (select){
case 1:
check();
break;
case 2:
pickup();
break;
default:break;
}
}
private static void Range(int start, int end) {
//打印储物柜状态
for (int i = start; i < end; i++) {
System.out.print(lockers[i] == 0 ? "□\t" : "■\t"); // Display empty/filled boxes
}
System.out.println();
//打印编号
for (int i = start; i < end; i++) {
System.out.print((i + 1) + "\t");
}
System.out.println();
}
//存包
public static void check(){
for (int i=0;i if (lockers[i]==0){ lockers[i]=1; pass[i]=random.nextInt(89999)+10000; System.out.println("请使用"+(i+1)+"号箱,密码为："+pass[i]); System.out.println("按任意键返回..."); ret(); displayLockers(); sc.close(); break; } } } //取包 public static void pickup() { System.out.println("请输入箱号："); int n = sc.nextInt(); if (n > 24 || n < 1) { System.out.println("输入有误，请重新输入！"); pickup(); } else { if (lockers[n - 1] != 0) { System.out.println("请输入密码："); int p = sc.nextInt(); if (p == pass[n - 1]) { lockers[n-1]=0;//清空储物柜 System.out.println(n + "号箱已打开..."); System.out.println("按任意键返回..."); ret(); displayLockers(); } else { System.out.println("密码错误"); pickup(); } } else { System.out.println("该柜为空柜，请核对箱号是否正确！"); pickup(); } } } //按任意键返回 public static void ret(){ Scanner input = new Scanner(System.in); String s=input.nextLine(); } }