Based on the existing WeChat API, how to implement the app-side payment?

Now the situation is that, according to the existing API, the data is returned to the app side, there is a problem of the payment page cannot be adjusted?
How did it break?

Reply content:

Now the situation is that, according to the existing API, the data is returned to the app side, there is a problem of the payment page cannot be adjusted?
How did it break?

Finally found:
As long as you write the program consistent with the official documents. Either the parameters or the order and the others.

Check whether the parameters are correct, can not afford to have errors, analysis of the error message, the light said a fall can not afford the situation is more, talk three days are not enough.

App payment is not the same as public number payment, app payment needs to open platform application

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