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在asp.net中使用paypal授权后链接付款

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如何在Paypal中同时使用Paypal的功能 - SetExpressCheckoutPaymentAuthorization和链式支付 . 我想授权买家和卖家 . 当买家付款时,它将在交易完成时保持为paypal,然后付款进入卖家账户,20%的金额将进入管理员账户,80%的进入卖家账户使用Paypal . 请逐步了解此过程 . 我想在我的asp.net项目中实现这个过程 .

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    您可以在自适应支付中使用PreApproval的概念,您可以在将来的任何时间获得买方的许可,一旦他同意您将获得预先批准密钥,您可以在自适应链支付API调用中使用该支付密钥向主要和次要接收者付款 . 这样买家就不会立即收费,您将有足够的时间来支付 .

    Flow将是这样的:

    1.Preapproval:

    NVP Request:
    requestEnvelope.errorLanguage=en_US&startingDate=2014-10-19Z&endingDate=2015-10-19Z¤cyCode=USD&cancelUrl=XXXXXXX&returnUrl=XXXXXX&ipnNotificationUrl=XXXXXXXX&maxAmountPerPayment=10.00&maxNumberOfPayments=50&maxNumberOfPaymentsPerPeriod=10&maxTotalAmountOfAllPayments=500.00&memo=This is Preapproval memo&paymentPeriod=DAILY
    
    NVP Response:
    responseEnvelope.timestamp=2014-10-18T14:31:26.577-07:00
    responseEnvelope.ack=Success
    responseEnvelope.correlationId=51317322d3c7d
    responseEnvelope.build=13085071
    preapprovalKey=PA-6D174595N6325214K
    

    2.将买家转到PayPal页面同意:

    https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_ap-preapproval&preapprovalkey=PA-6D174595N6325214K
    

    3.使用上面收到的PreApproval Key为买家提供以下服务:

    NVP Request:
    actionType=PAY&requestEnvelope.errorLanguage=en_US&cancelUrl=XXXXX&returnUrl=XXXXXX&ipnNotificationUrl=XXXXXX&applicationId=XXXXXXX&memo=Chain Payment via PreApproval¤cyCode=USD&receiverList.receiver(0).email=XXXXX.co.in&receiverList.receiver(0).amount=5.00&receiverList.receiver(0).primary=true&receiverList.receiver(1).email=EXXXXX.co.in.pro&receiverList.receiver(1).amount=2.00&receiverList.receiver(1).primary=false&feesPayer=EACHRECEIVER&preapprovalKey=PA-6D174595N6325214K&pin=123456&detailLevel.DetailLevelCode=ReturnAll
    
    NVP Response:
        responseEnvelope.timestamp=2014-10-18T16:01:47.549-07:00
        responseEnvelope.ack=Success
        responseEnvelope.correlationId=bcf3c446f3a44
        responseEnvelope.build=13085071
        payKey=AP-4FF76080D3699590F
        paymentExecStatus=COMPLETED
        paymentInfoList.paymentInfo(0).transactionId=3F2484079H7759838
        paymentInfoList.paymentInfo(0).transactionStatus=COMPLETED
        paymentInfoList.paymentInfo(0).receiver.amount=5.00
        paymentInfoList.paymentInfo(0).receiver.email=XXXXX.co.in
        paymentInfoList.paymentInfo(0).receiver.primary=true
        paymentInfoList.paymentInfo(0).receiver.accountId=XXXXXXX
        paymentInfoList.paymentInfo(0).pendingRefund=false
        paymentInfoList.paymentInfo(0).senderTransactionId=332451441L881611C
        paymentInfoList.paymentInfo(0).senderTransactionStatus=COMPLETED
        paymentInfoList.paymentInfo(1).transactionId=2XX52568GK846100U
        paymentInfoList.paymentInfo(1).transactionStatus=COMPLETED
        paymentInfoList.paymentInfo(1).receiver.amount=2.00
        paymentInfoList.paymentInfo(1).receiver.email=XXXXX.co.in
        paymentInfoList.paymentInfo(1).receiver.primary=false
        paymentInfoList.paymentInfo(1).receiver.accountId=7VZLVB9FB2EZJ
        paymentInfoList.paymentInfo(1).pendingRefund=false
        paymentInfoList.paymentInfo(1).senderTransactionId=34R54203C0679535E
        paymentInfoList.paymentInfo(1).senderTransactionStatus=COMPLETED
        sender.accountId=XXXXXXXX
    

    你可以在这里找到更多信息:

    https://developer.paypal.com/docs/classic/adaptive-payments/ht_ap-basicPreapproval-curl-etc/

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