my.tradePay

2026-01-06 02:55

Start a payment transaction.

Supported types of mini programs: DSL, H5+

Sample code

copy
my.tradePay({
  tradeNO: '201711152100110410533667792', // get the tradeNo from the server first
  success: (res) => {
    my.alert({
      content: JSON.stringify(res),
    });
  },
  fail: (res) => {
    my.alert({
      content: JSON.stringify(res),
    });
  }
});

Parameters

The tradeNO, orderStr and paymentUrl are different ways to start the payment transaction. The Mini Program should use either one of them to start a payment transaction according to the payment service provided by the host app.

Success Callback Function

The incoming parameter is of the Object type with the following attributes:

Property	Type	Required	Description
resultCode	String	Yes	The result code of the pay process.

An example of a successfully returned message is as follows:

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{
    "resultCode":"9000"
}

Result Code

resultCode	Description
9000	Payment is successful.
8000	Trade is processing.
4000	Payment is failed.
6001	User cancels to pay.
6002	Network exception.
6004	Unknown pay result, may be success.

Property	Type	Required	Description
tradeNO	String	No	The trade number. Its maximum length is 64. Refer here for details.
orderStr	String	No	A string of complete payment parameters, which is recommended to be obtained from the server. Refer here for details.
paymentUrl	String	No	The URL of payment page. Refer here for details.
success	Function	No	Callback function upon call success.
fail	Function	No	Callback function upon call failure.
complete	Function	No	Callback function upon call completion (to be executed upon either call success or failure).