The era when UA determines device type and jump payment is prevalent is over. The PayQrcode two-in-one payment code (physical merged version) is different from the traditional "software identification version" based on device UA judgment. This solution uses physical image merge technology to integrate WeChat and Alipay payment codes into a single image to achieve dual-code compatible recognition in offline scenarios. precautions for use Generation test process: After generation, use WeChat/Alipay APP to scan the code and test separately to ensure: WeChat scan code to jump to Weixin Pay page first Alipay scans the code normally to evoke the payment code/transfer page Parameter tuning: It is recommended that if there is a recognition delay or failure, try to adjust: Coverage ratio of Alipay code on WeChat code (recommended initial ratio: 30%-40% of area) Rotation angle (±10° fine adjustment to find the best recognition balance point) For specific use, please check the document: vvhan.com/article/new-pay-qrcode


