用java模拟的电梯程序,可以选择有几层楼,一共有几个人在哪几层等电梯,可以不断的增加等电梯的人数,并看电梯如何以设定的方式运行.-with simulated lift procedures, we can choose to have layers of floor, a total number of layers in which an elevator can keep the increase in the number of elevators and escalators to