中文说明：智能电梯系统仿真，GUI界面下输入所在所在楼层号和想要到达的楼层号即可实现相应，如果输入超出范围，可自动报错！
English Description：
Simulation of intelligent elevator system, enter the GUI interface, and wants to reach the floor, floor number where appropriate, if you entered is out of range, can automatically report errors!