Because of Apple's various blockades and restrictions, it will be very difficult to put the integrated payment sdk on the app. In short, try to draw it. In response to this rogue policy, various small app companies have stolen the bar and paid through h5, thus bypassing the sdk payment.

Conventional operations, such as applying for keys and configuring callback addresses, are ignored and go directly to the core steps.

Alipay pays h5 and returns one, so what is our final jump link? pay_url=？ xxxxxx .

Whether it is WeChat payment or Alipay payment, in fact, we all want to wake up the payment app from the browser through a unique schema. The agreement of Alipay is Alipay://,and the agreement of WeChat is WeChat://. In fact, the browser will crawl the http protocol, and both Alipay and WeChat will crawl their own protocols. It is precisely because of this that it is possible to wake up Alipay or WeChat in our app. Of course, the latter is likely to be restricted and will not be for a long time to come. It is these protocols that make h5 interact with app and make today's mobile operating system more prosperous.