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php - How to implement the QR code shared by WeChat and Alipay

A QR code used in some stores can be scanned and paid by WeChat and Alipay. What is the principle?
Is the QR code a simple web page?
If it is a web page, How can I call two third-party interfaces at the same time?

欧阳克欧阳克2750 days ago994

reply all(3)I'll reply

  • 学习ing

    学习ing2017-06-29 10:10:10

    Please see this:
    https://www.zhihu.com/questio...

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  • 世界只因有你

    世界只因有你2017-06-29 10:10:10

    The QR code is a transit URL

    Determine whether WeChat or Alipay is opened and jump to the corresponding website

    Can be judged by UA

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  • 仅有的幸福

    仅有的幸福2017-06-29 10:10:10

    You can determine whether it was scanned through WeChat or Alipay, and can you call the corresponding interface?

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