The application provides a blind scan
payment method of an intelligent printer, and belongs to the field of
data processing.The cash register calculates a transaction amount, generates a
payment request serial number and sends the
payment request serial number to a
cloud server after receiving a payment instruction, establishes a first mapping relationship, and sends a voice broadcast instruction to the intelligent printer;the intelligent printer contacts the voice broadcast and starts code scanning, uploads a customer payment code to the
cloud server, obtains the payment request serial number through the first mapping relationship, and establishes a second mapping relationship;the cash register starts a
polling task, and sends a query request to the
cloud server;the cash register and the cloud
server establish a push channel, and push a payment code ready notification to the cash register through the push channel;the cash register generates a deduction request, calls a payment platform interface, and sends the deduction request to a payment platform;after the deduction is completed, a payment result is returned;the cash register generates printing data according to the payment result;and the intelligent printer outputs a transaction
receipt according to the printing instruction.