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Windows 上的 ASP.Net Framework 4.5.2

我正在使用服务器端 REST配置与 paypal 的集成，我的代码与此https://github.com/paypal/PayPal-NET-SDK/blob/develop/Samples/Source/PaymentWithPayPal.aspx.cs相同，没有什么区别。

支付模式

创建的支付模型是这样的：

{"intent":"sale","payer":{"payment_method":"paypal"},"transactions":[{"amount":{"currency":"USD","total":"100.00","details":{"subtotal":"75","shipping":"10","tax":"15"}},"description":"Transaction description.","invoice_number":"608961","item_list":{"items":[{"sku":"sku","name":"Item Name","quantity":"5","price":"15","currency":"USD"}]}}],"redirect_urls":{"return_url":"http://localhost:51379/PaymentWithPayPal.aspx?guid=60896","cancel_url":"http://localhost:51379/PaymentWithPayPal.aspx?guid=60896&cancel=true"}}\n

创建支付模型后

我在这一行创建付款

var createdPayment = payment.Create(apiContext);\n

创建支付

并且createdPayment变量等于：

{"id":"PAY-8TG15254J2564684XLFQUQHQ","intent":"sale","payer":{"payment_method":"paypal"},"transactions":[{"related_resources":[],"amount":{"currency":"USD","total":"100.00","details":{"subtotal":"75.00","shipping":"10.00","tax":"15.00"}},"description":"Transaction description.","invoice_number":"608961","item_list":{"items":[{"sku":"sku","name":"Item Name","quantity":"5","price":"15.00","currency":"USD"}]}}],"state":"created","create_time":"2017-07-08T21:01:18Z","links":[{"href":"https://api.sandbox.paypal.com/v1/payments/payment/PAY-8TG15254J2564684XLFQUQHQ","rel":"self","method":"GET"},{"href":"https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=EC-6PE445186E489192C","rel":"approval_url","method":"REDIRECT"},{"href":"https://api.sandbox.paypal.com/v1/payments/payment/PAY-8TG15254J2564684XLFQUQHQ/execute","rel":"execute","method":"POST"}]}\n

错误

之后，代码继续，没有任何错误，完成后，paypal 窗口关闭，我在 javascript 上收到下一个错误：\n 错误：没有值传递给付款

Object {stack: "Error: No value passed to payment\xe2\x86\xb5 at https://w\xe2\x80\xa6://www.paypalobjects.com/api/checkout.js:2390:13)", errtype: "[object Error]", timestamp: 1499547706746, windowID: "5148517b93", pageID: "510d0e1522"\xe2\x80\xa6} country:"US" env:"sandbox" errtype:"[object Error]" host:"www.sandbox.paypal.com" lang:"en" pageID:"510d0e1522" path:"/webapps/hermes/button" referer:"http://localhost:51379" stack:"Error: No value passed …