一个显示电梯楼层的控件，可以设置电梯的总的层数，电梯的首层，然后根据控件的curfloor，可以动态的显示当前电梯所在的楼层。-a show floors of the elevator control, can lift the total installed the floors, the first floor elevator, then under the control curfloor can display the current dynamic where the elevat

8031 single-chip microcomputer in the hydraulic elevator control system