On-sale commodity online management method, system and device and storage medium

The invention provides an on-sale commodity online management method, system and device and a storage medium, and is applied to the technical field of computers. When a copy switching instruction for the target on-sale commodity is obtained, reading first commodity information of the target on-sale commodity from the commodity information library and recording the first commodity information into the memory, reading second commodity information of the target on-sale commodity from the copy library and recording the second commodity information into the memory, updating the second commodity information in the copy library into the first commodity information in the memory, and switching the second commodity information into the first commodity information in the memory. The first commodity information in the commodity information base is updated into the second commodity information in the memory, and the commodity information base and the copy library have the same network address and port number, so that the