| 摘要 |
The present invention provides an electronic device for determining a route comprising: a geographic information system wherein the geographic information system is adapted to detect location information of the device; a user interface for accepting input from a user and displaying output to a user, and a central processing unit adapted to control the data flow to and from the user interface, geographic information system, through a data network; wherein the user interface is adapted to accept a list of items, and displaying the route thereon; the geographic information system is adapted to retrieve location information of one or more eligible areas or eligible routes; the central processing unit is adapted to send the geographic information and the list of product information to a central server, and to receive a routing results from a central server, wherein the central server comprises a item availability register and hosts a database containing information of vendors who has populated products and vendors information in the database; wherein the central server calculate the routing results. |
