Online object reservation system and online object reservation method

An online object reservation system, comprising:

• a database, storing a plurality of objects, wherein each of the objects is corresponding to a selection status;
• and
• an object reservation server, connected to the database and establishing a continuous connection with a client device for providing a reservation page to the client device and receiving at least one reservation requirement from the client device,
• wherein the object reservation server automatically selects at least one of the objects as a connection selection object according to the reservation requirement, and renders the objects through the reservation page, wherein the connection selection object is exclusively kept for the client device until the continuous connection with the client device is disconnected, the reservation page distinguishes the selection status corresponding to the connection selection object from the selection statuses corresponding to the objects by at least one visual feature,
• wherein the object reservation server also establishes one or a plurality of additional continuous connections with one or a plurality of additional client devices, and when the selection status corresponding to any one of the objects is altered by the additional client devices, the object reservation server sends a refresh notification to the client device through the continuous connection for updating contents rendered on the reservation page,
• wherein the object reservation server comprises a timer, wherein the object reservation server activates the timer when the continuous connection is established,
• wherein when an accumulated time value of the timer is greater than a predetermined value, the client device disconnects the continuous connection, and sets the selection status corresponding to the connection selection object as selectable,
• wherein the predetermined value is decreased when a ratio of a number of connected client devices to all available objects is greater than a threshold.