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我SetExpressCheckout在 PayPal 遇到了一些问题。我正在尝试使用价格为 11.96 欧元（包括 21% 增值税）的商品设置新的快速结账。但是，PayPal 表示购物车中的金额与订单不符。这是请求：

[PAYMENTREQUEST_0_CURRENCYCODE] => EUR
[SOLUTIONTYPE] => Mark
[PAYMENTREQUEST_0_AMT] => 11.96
[PAYMENTREQUEST_0_ITEMAMT] => 9.88
[PAYMENTREQUEST_0_TAXAMT] => 2.08
[L_BILLINGTYPE0] => MerchantInitiatedBillingSingleAgreement
[BILLINGTYPE] => MerchantInitiatedBillingSingleAgreement
[L_BILLINGAGREEMENTDESCRIPTION0] => Some description here
[L_PAYMENTREQUEST_0_ITEMAMT0] => 9.88
[L_PAYMENTREQUEST_0_NAME0] => 011213
[L_PAYMENTREQUEST_0_DESC0] => Description here
[L_PAYMENTREQUEST_0_NUMBER0] => 1
[L_PAYMENTREQUEST_0_QTY0] => 1
[L_PAYMENTREQUEST_0_TAXAMT0] => 2.08
[L_PAYMENTTYPE0] => ANY

然后是 PayPal 的回复：

[ACK] => Failure
[VERSION] => 72.0
[L_ERRORCODE0] => 10413
[L_SHORTMESSAGE0] => Transaction refused because of an invalid argument. See additional error messages for details.
[L_LONGMESSAGE0] => The totals of the cart item amounts do not match order amounts.
[L_SEVERITYCODE0] => Error

我在这里错过了什么吗？我会感谢你的帮助。

谢谢！

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1 回答 1

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我已经通过以下请求解决了我的问题：

[METHOD] => SetExpressCheckout
[NOSHIPPING] => 1
[ALLOWNOTE] => 1
[LOCALECODE] => IT
[PAYMENTACTION] => Sale
[CHANNELTYPE] => Merchant
[REQCONFIRMSHIPPING] => 0
[CALLBACKVERSION] => 72.0
[PAYMENTREQUEST_0_CURRENCYCODE] => EUR
[SOLUTIONTYPE] => Sole
[PAYMENTREQUEST_0_AMT] => 14.33
[PAYMENTREQUEST_0_ITEMAMT] => 11.84
[PAYMENTREQUEST_0_TAXAMT] => 2.49
[L_BILLINGTYPE0] => MerchantInitiatedBillingSingleAgreement
[BILLINGTYPE] => MerchantInitiatedBillingSingleAgreement
[L_BILLINGAGREEMENTDESCRIPTION0] => Billing agreement description
[L_PAYMENTREQUEST_0_AMT0] => 11.84
[L_PAYMENTREQUEST_0_NAME0] => Item name
[L_PAYMENTREQUEST_0_DESC0] => Item description
[L_PAYMENTREQUEST_0_NUMBER0] => 1
[L_PAYMENTREQUEST_0_QTY0] => 1
[L_PAYMENTREQUEST_0_TAXAMT0] => 2.49
[L_PAYMENTTYPE0] => ANY

价格不同，因为我实际上改变了它们（虽然它们不影响最终结果）。基本上我错过了一些字段（例如[L_PAYMENTREQUEST_0_AMT0]while send [L_PAYMENTREQUEST_0_ITEMAMT0]，不应该是这样。

于 2013-06-10T12:56:36.840 回答