停车场程序，当有车进入停车场是，如果停车场内有位置，则记录停入时间，车牌号，车位，若没有停车位，则让其在便道上等待，当有车离开时，则记录离开时间，然后算出应付费用，让等待的车进入停车场-Parking lot procedures, when a car entered the parking lot is that if the location of car parks have, then stop into the record time, license plate number, parking spaces, if there are no parking spaces are allowed in the sidewalk waiting for, when a car left, then Records time of departure, and then calculate the fees payable, so that cars waiting to enter the car park