Fourth-party payment system (integrated wxpay, alipay)

• Chapter1 What is a fourth-party payment system
• 1-1 Introduction to fourth-party payment systems
• Chapter2 Backend merchant management
• 2-1 Backstage merchant list
• 2-2 Modification and deletion of backend merchants
• 2-3 Backend payment application list
• 2-4 Apply modification and deletion
• Chapter3 Place orders in one place
• 3-1 Merchant order process
• 3-2 Platform processes user orders
• 3-3 Merchant generates prepayment QR code
• 3-4 Detect user payment client type