This design is more convenience and efficient, not only with
low cost, but also easy to manage and run.
At the web server it provides data for iOS client terminal to
download, and the interface to upload for data exchange. The
server can accept the demand of login, ordering and checking
out required by the iOS client terminal, and make the
appropriate treatment. The administrator at the server also can
manage the data of dishes, orders, waiters and the
administrators, the kitchen can also receive the ordering
information.
On the other hand, at the iOS client terminal, it provides
customers with easily using interface, and enable customers to
easily order. At the same time it can exchange data with server
through Http protocol based on Wi-Fi, and send ordering and
checking out information to the server.