A computer-implemented method, comprising: receiving identification information of a vehicle and identification information of a parking space to bind the vehicle with the parking space and generate respective binding information; characterized in that the parking space comprises a shopping cart space configured to place a corresponding shopping cart, and the method further comprises: receiving a time when the vehicle enters the parking space and a time when the vehicle exits the parking space; calculating a parking fee of the vehicle according to the time when the vehicle enters the parking space and the time when the vehicle exits the parking space; determining identification information of the shopping cart that is placed in the shopping cart space of the parking space and corresponds to the vehicle according to the identification information of the vehicle, the binding information of the vehicle and the parking space, and a correspondence between the parking space and the shopping cart; and sending the parking fee of the vehicle to the shopping cart that corresponds to the identification information of the shopping cart for user's payment of the parking fee; wherein the method further comprises: sending an unlocking command to a lock device at the parking space to unlock the shopping cart when the vehicle enters the parking space; and sending a locking command to the lock device at the parking space to lock the shopping cart when the shopping cart is detected at the parking space and after a notification of successful payment of the parking fee of the vehicle is received. receiving identification information of a vehicle and identification information of a parking space to bind the vehicle with the parking space and generate respective binding information; characterized in that the parking space comprises a shopping cart space configured to place a corresponding shopping cart, and the method further comprises: receiving a time when the vehicle enters the parking space and a time when the vehicle exits the parking space; calculating a parking fee of the vehicle according to the time when the vehicle enters the parking space and the time when the vehicle exits the parking space; determining identification information of the shopping cart that is placed in the shopping cart space of the parking space and corresponds to the vehicle according to the identification information of the vehicle, the binding information of the vehicle and the parking space, and a correspondence between the parking space and the shopping cart; and sending the parking fee of the vehicle to the shopping cart that corresponds to the identification information of the shopping cart for user's payment of the parking fee; wherein the method further comprises: sending an unlocking command to a lock device at the parking space to unlock the shopping cart when the vehicle enters the parking space; and sending a locking command to the lock device at the parking space to lock the shopping cart when the shopping cart is detected at the parking space and after a notification of successful payment of the parking fee of the vehicle is received. receiving a time when the vehicle enters the parking space and a time when the vehicle exits the parking space; calculating a parking fee of the vehicle according to the time when the vehicle enters the parking space and the time when the vehicle exits the parking space; determining identification information of the shopping cart that is placed in the shopping cart space of the parking space and corresponds to the vehicle according to the identification information of the vehicle, the binding information of the vehicle and the parking space, and a correspondence between the parking space and the shopping cart; and sending the parking fee of the vehicle to the shopping cart that corresponds to the identification information of the shopping cart for user's payment of the parking fee; wherein the method further comprises: sending an unlocking command to a lock device at the parking space to unlock the shopping cart when the vehicle enters the parking space; and sending a locking command to the lock device at the parking space to lock the shopping cart when the shopping cart is detected at the parking space and after a notification of successful payment of the parking fee of the vehicle is received. sending an unlocking command to a lock device at the parking space to unlock the shopping cart when the vehicle enters the parking space; and sending a locking command to the lock device at the parking space to lock the shopping cart when the shopping cart is detected at the parking space and after a notification of successful payment of the parking fee of the vehicle is received.