View the sequence diagram of WeChat Pay (in the document). The client sends transaction information to the server, the server group returns the signed message, and then the client calls WeChat Pay. It is best for Alipay to use the same logic. The private key information is placed on the server side for signature. Each time, the server is requested to sign the message first, and then the payment interface is called.
Of course, the WeChat payment we have launched now is to place orders uniformly through the server and return the data to Android, IOS and then call up WeChat for payment
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View the sequence diagram of WeChat Pay (in the document). The client sends transaction information to the server, the server group returns the signed message, and then the client calls WeChat Pay.
It is best for Alipay to use the same logic. The private key information is placed on the server side for signature. Each time, the server is requested to sign the message first, and then the payment interface is called.
Of course, the WeChat payment we have launched now is to place orders uniformly through the server and return the data to Android, IOS and then call up WeChat for payment