Device management system, method and apparatus

A device management method, applied to a client, comprising:

• sending, in response to a borrow and return request for a device to be managed submitted by a user, an unlocking instruction to an electromagnetic lock configured for a device management cabinet, wherein the electromagnetic lock unlocks the device management cabinet in response to the unlocking instruction;
• receiving charging state information of a target device storage unit that is returned by the device management cabinet, wherein the target device storage unit is at least one of a plurality of device storage units in the device management cabinet, and the device to be managed is stored in the target device storage unit;
• receiving lock state data of the device management cabinet that is sent by the electromagnetic lock, and acquiring electric quantity state information of the device to be managed;
• and
• generating, according to the charging state information, the electric quantity state information and the lock state data, borrow and return information of the device to be managed.

A device management method, applied to a device management cabinet with an electromagnetic lock, comprising:

• unlocking the device management cabinet by the electromagnetic lock in response to an unlocking instruction;
• detecting, by the device management cabinet in an unlocked state, charging state information of a target device storage unit of a plurality of device storage units, and sending the charging state information to a client;
• and
• locking the device management cabinet by the electromagnetic lock in response to a locking instruction, and sending lock state data of the device management cabinet to the client, wherein the client acquires electric quantity state information of a device to be managed, and generates borrow and return information of the device to be managed according to the charging state information, the electric quantity state information and the lock state data, and the device to be managed is stored in the target device storage unit.