How to start
1. Apply for Merchant Id and Key
1.2 Login and click the Personal Centre - User Management - Personal Information to get the PrivateKey.
2 Parameter signature
2.2 Convert the parameters(A+B+C+PrivateKey) that need to be signed in the interface to MD5 values.
2.3 Convert all the generated MD5 values to uppercase to get the final sign value.
3. Calling the payment interface
4. Refund
Modified at 2023-04-29 14:50:33