CAR.Leave();
cout << endl << "-----------------------------------------" << endl;
cout << "停车场更新..." << endl;
CAR.Carstack();
cout << "-----------------------------------------" << endl;
break;
case 3:

cout << "请输入要离开的车牌号：" ;
cin >> a;
CAR.QueueCarLeave(a);
cout << "便道更新..." << endl;
CAR.Carqueue();
break;
case 4:
CAR.ShowInfo();
break;
}
}
system("pause");
return 0;
}