使用自适应支付 API 调用在 Paypal 上发出付款请求时，如何将 item_number 传递给 IPN？
我正在使用自适应 api 进行链式支付。代码看起来
ChainedPay chainedPay = new ChainedPay(numberOfReceivers); //为chainedPay对象设置值（例如返回url、取消url、ipn url等） ....
接收器primaryReceiver = new Receiver(); // 设置接收者的值，例如金额等。 ... chainedPay.setPrimaryReceiver(primaryReceiver);
接收器rec1 = new Receiver(); //设置第二个接收者的值 ... chainedPay.addToSecondaryReceivers(rec1);
//发出请求 chainedPay.makeRequest();像这样：
当付款被批准时，我确实收到了 IPN 消息。但我希望能够在付款请求中发送一个值，例如我的系统中存在的 transactionId，并让 IPN 将其发回给我，这样我就可以在我的 iPN 侦听器中通过其 id 查找交易，并且使用该信息向用户提供数字商品。我不知道在付款请求中的哪里设置该值。
在使用自适应支付 api 调用之前，如果我想将交易 id 传递给 IPN，我会将其设置在购买按钮形式的字段中的 item_number 字段中，并且该字段将被传递。自适应api中有类似的东西吗？
谢谢， 蒂姆
I am using adaptive api to make a chained payment. The code looks
ChainedPay chainedPay = new ChainedPay(numberOfReceivers);
//set values (such as return url, cancel url, ipn url etc for the chainedPay object
....
Receiver primaryReceiver = new Receiver();
// set the receiver's value such as amount etc.
...
chainedPay.setPrimaryReceiver(primaryReceiver);
Receiver rec1 = new Receiver();
//set the second receiver's value
...
chainedPay.addToSecondaryReceivers(rec1);
//Make the request
chainedPay.makeRequest(); like this:
I do get the IPN message back when the payment is approved. But I want to be able to send a value such as a transactionId that exists in my system in the pay request, and have the IPN post it back to me, so I can look up the transaction by its id in my ipn listener, and use that information to deliver digital good to the user. I can't figure out where to set that value in the pay request.
Before using adaptive payment api call, if I want to pass the transaction id to the IPN, I would set it in the item_number field in a field in the form of the buy button and that would get passed through. Is there something similar in the adaptive api?
Thanks,
Tim
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尝试使用trackingid参数。我正在使用 XML 版本，并按如下方式传递它
sRequest.Append("
</trackingId>");sRequest.Append(trackingID);
sRequest.Append("
</trackingId>");您可以在 PayRequest 类中获取一个属性作为跟踪 id。Try using the trackingid parameter. I am using the XML version and I pass it as follows
sRequest.Append("
</trackingId>");sRequest.Append(trackingID);
sRequest.Append("
</trackingId>"); You may get a property as tracking id in PayRequest class.我通过 PayRequest Ex 中的 TrackingId 字段传递 orderId
：
PayRequest payRequest = new PayRequest(requestEnvelope,actionType,cancelUrl,currencyCode,receiverList,returnUrl);
payRequest.ipnNotificationUrl = System.Configuration.ConfigurationManager.AppSettings["PaypalNotifyUrl"];
payRequest.trackingId = orderId.ToString();
然后在 IPN 处理程序中，我从 Request 对象中检索它。
I am passing the orderId via the trackingId field in the PayRequest
Ex:
PayRequest payRequest = new PayRequest(requestEnvelope, actionType, cancelUrl, currencyCode, receiverList, returnUrl);
payRequest.ipnNotificationUrl = System.Configuration.ConfigurationManager.AppSettings["PaypalNotifyUrl"];
payRequest.trackingId = orderId.ToString();
Then in the IPN handler, I retrieve it from the Request object.