Message transmission method and system of sales terminal

Abstract

The invention relates to the technical field of communication, and discloses a message transmission method and system of a sales terminal. The message transmission method comprises the following steps that the sales terminal signs in a server terminal and transmits a request message for representing state changes of the sales terminal to the server terminal after sign-in is carried out successfully, wherein the state changes comprise one or any combination of system running state change, material channel running state change, system configuration state change and material channel configuration state change; and the server terminal updates the state of the sales terminal according to the state changes and feeds back a response message to the sales terminal, wherein the request message comprises a fixed-length message header and an undefined-length message body, and the response message comprises a fixed-length message header and a response code. The server terminal can control the currently sign-in sales terminal, and can obtain and update state information of the sales terminal timely.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to the message transmission technology between a sales terminal and a server. Background technique [0002] Vending machines that appear in people's lives are more common with automatic vending machines at present, and automatic vending machines are machines that can automatically pay according to the coins that are put into it. Vending machines are common equipment for commercial automation. They are not limited by time and place, can save manpower and facilitate transactions. It is a new form of commercial retail, also known as a 24-hour micro supermarket. [0003] It is the vending machine that is not limited by time and place, so the vending machine can be placed in various places, which greatly facilitates customers and reduces the labor cost of businesses. But at the same time, it also brings obstacles to the management of each vending machine by the merchant. When the...

AI Technical Summary

Problems solved by technology

But at the same time, it also brings obstacles for merchants to manage each vending machine. When the system status of the vending machine changes, the product is out of stock, the machine breaks down, or is stolen by criminals, the above information cannot be obtained in time. It can only be discovered when the staff inspects or inspects the vending machine, which brings inconvenience to the customers who use it and easily brings losses to the merchants.

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