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QR code generation of shopping scanning payment and third-party payment

2022-02-02 19:11:46 CSDN Q & A

Similar to website shopping , Generate QR code for code scanning payment , You click on the item you need to buy , It will automatically generate the QR code of commodity price , How does this work ? I see a lot of third-party payments , Nothing sdk Service for , Only provide you with QR code , such , At the time of customer purchase , You need to enter the purchase amount yourself , I don't know how the two-dimensional code with fixed amount generated by their merchants is made , What is the process ?




Refer to the answer 1:

It's simple, brother . Alipay has corresponding interfaces. , You integrated him sdk after , Put the order information ( Price etc. ) Send to Alipay , He automatically returned to you . See the following server interaction flow chart , To help you understand

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Refer to the answer 2:



Refer to the answer 3:

QR code is essentially a link , Just turn the payment link into a QR code




Refer to the answer 4:

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