车位数由用户输入，车能够进入车场，车场满时车再进来就要进入便道，然后车离开车场时需要根据车在车场停留的时间收费，收费标准是由用户输入的，如果是车场满时出车后，便道上的车就可以进入车场。需要时要显示车场的所有车的信息状况，包括车的到来时间，进入车场的时间，所在车位置或便道位置。-Parking spaces from user input, vehicles can enter the yard, full yard car will be re-entered into the sidewalk, and then leave the car when the car needs to stay under the car in the garage to collect the tolls, charges are entered by the user, in the case of car full turnout, the pavement on the car will be able to enter the yard. Necessary to show all the car parking lots of information, including the arrival of vehicles into the yard of the time, where the location of vehicle location or shortcut.