Pay
Interface Call Sequence Diagram

Interface Call Sequence Diagram

Cashier

Cashier system

API

user

5. Initiate payment

6. Asynchronous callback

returns the payment result

1. Submit order

2. Pre-generated orders

3. Payment URL

4. Show QR code for payment

  • The cashier submits the order in the cashier department to initialize the order information.
  • The cash register system calls the pre-order pre-generated order to generate the payment URL.
  • Returns the payment URL, which is used to generate a payment QR code.
  • Then generate a payment QR code according to the payment URL to provide users with scan code payment.
  • After the user pays successfully, the server informs the merchant system of order-related information in the form of payment callback.
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publish time: 2021-03-09
Kiraaaa

This template is an interface call sequence diagram about payment functions, a detailed description of the call interface. Sequence diagrams are commonly used by developers to depict interactions between objects in a use case (actions that show interactions between an actor and a system to achieve a goal). A brief introduction to the call of the interface, let us take a look.

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