Alipay payment process:

1: The merchant client requests the backend server to obtain the signed order information

2: The backend server returns to the client after signing Information

3: The client calls the payment interface of the Alipay client

4: The Alipay client sends a payment request to the Alipay server

5: The Alipay server Complete the payment

6: Return the payment result to the Alipay client

7: The Alipay client displays the payment result to the client

8: The client will pay The result is returned to the server for signature verification and analysis

9: The server returns the final payment result to the client

10: The client displays the payment result to the user

11: The Alipay server sends payment notifications to the server asynchronously

12: The server responds to the notifications from the Alipay server

Simple process:

1: The server generates the front and back The order information is returned to the client

2: The client calls the payment interface and obtains the payment result of the interface

3: Synchronizes the payment result to the server for signature verification and analysis

4: The server returns the payment result to the client and displays it to the user

5: Alipay asynchronously sends a payment notification to the server

6: Server (modify the order status and ) responds to Alipay’s notification.