PaymentService

2024-11-08 01:35

IAPMiniProgram SDK calls the PaymentService SPI to initiate the payment process and handle the payment result. For details on how the SPI functions, refer to the PaymentService workflow.

This SPI provides the pay method. The method details are as follows:

pay

The IAPMiniprogram SDK calls the pay method to initiate the payment process.

Method signature

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func pay(
    with request: IAPWalletPaymentRequest,
    in context: IAPWalletAPIContext? = nil,
    callback: @escaping (IAPWalletPaymentResult) -> Void
)

Request parameters

Field	Data type	Description	Required
request	IAPWalletPaymentRequest	An object that specifies the payment information.	Yes
context	IAPWalletAPIContext	A context object, which carries the mini program runtime metadata.	Yes
callback	Callback	The callback that is executed when the request processing is complete. For details, see the following section.	Yes

Callback

Field	Data type	Description	Required
result	IAPWalletPaymentResult	The result of the `pay` request.	Yes

Response parameters

N/A

Error codes

Error code		Error message
1000	ERROR_CODE_UNKNOWN_ERROR	Unknown error
1001	ERROR_CODE_USER_CANCEL	The user cancels the operation.
1002	ERROR_CODE_APP_SERVICE_ERROR	The app service is wrong.
1003	ERROR_CODE_TIMEOUT	Timeout
1005	ERROR_CODE_SYSTEM_ERROR	System error
2001	ERROR_CODE_AUTH_PENDING_AGREEMENT	Authorization is not finished or is pending.

Sample

The following sample shows how to call the PaymentService SPI to enable payment processing capabilities:

Create a class that implements the PaymentService interface.
Within this class, implement the pay method to initiate the payment process and request for payment with the type of order, and handle the payment result.

Swift

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final class PaymentService: IAPWalletPaymentServiceSignature, UIAlertViewDelegate {
    override func pay(
        with request: IAPWalletPaymentRequest,
        in context: IAPWalletAPIContext? = nil,
        callback: @escaping (IAPWalletPaymentResult) -> Void
    ) {
        // to payment code
        let result = IAPWalletPaymentResult(resultCode: "RESULT_CODE", resultMessage: "RESULT_MSG")
        callback(result)
    }
}