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我尝试将PayPal PLUS API集成到我的NativeScript移动应用程序中。当创建付款（调用此API：https://developer.paypal.com/docs/api/payments/#create_payment）与侧面显示的缩短呼叫时，我不断收到500错误。可悲的是我没有找到如何显示它的消息。PayPal REST API尝试创建付款对象时返回500错误
我通过NativeScript在iOS模拟器（Xcode 7）上运行我的代码。
我尝试以下卷曲调用，这工作对我来说：
我试着用卷曲什么：
curl -v -X POST https://api.sandbox.paypal.com/v1/payments/payment \
-H "Content-Type:application/json" \
-H "Authorization: Bearer <my-token>„ \
-d '{
"intent": "sale",
"payer": {
"payment_method": "paypal"
},
"transactions": [
{
"amount": {
"total": "30.11",
"currency": "EUR",
"details": {
"subtotal": "30.00",
"tax": "0.07",
"shipping": "0.03",
"handling_fee": "1.00",
"shipping_discount": "-1.00",
"insurance": "0.01"
}
},
"item_list": {
"items": [
{
"name": "hat",
"description": "Brown hat.",
"quantity": "5",
"price": "3",
"tax": "0.01",
"sku": "1",
"currency": "EUR"
},
{
"name": "handbag",
"description": "Black handbag.",
"quantity": "1",
"price": "15",
"tax": "0.02",
"sku": "product34",
"currency": "EUR"
}
]}
}
],
"redirect_urls": {
"return_url": "http://www.paypal.com/return",
"cancel_url": "http://www.paypal.com/cancel"
}
}'
响应一个201创建的响应。
现在我创建了一个带有相同元素的TypeScript中的XHR对象。我的代码到目前为止：
var oReq = new XMLHttpRequest();
oReq.open("POST", PayPalEndpoints.getPaymentEndpoint, true);
oReq.setRequestHeader('Authorization', "Bearer " + access_token);
oReq.setRequestHeader('Accept', "application/json");
oReq.onreadystatechange = function() {
console.log("state changed - new state: " + oReq.readyState + " and Status: " + oReq.status);
if (oReq.readyState === 4) {
if (oReq.status === 200) {
var response = JSON.parse(oReq.responseText);
console.log("response = " + response);
} else {
console.log("Error: " + oReq.status + " Message: " + oReq.responseText);
}
}
};
oReq.send({
"intent": "sale",
"payer": {
"payment_method": "paypal"
},
"transactions": [
{
"amount": {
"total": "30.11",
"currency": "EUR",
"details": {
"subtotal": "30.00",
"tax": "0.07",
"shipping": "0.03",
"handling_fee": "1.00",
"shipping_discount": "-1.00",
"insurance": "0.01"
}
},
"item_list": {
"items": [
{
"name": "hat",
"description": "Brown hat.",
"quantity": "5",
"price": "3",
"tax": "0.01",
"sku": "1",
"currency": "EUR"
},
{
"name": "handbag",
"description": "Black handbag.",
"quantity": "1",
"price": "15",
"tax": "0.02",
"sku": "product34",
"currency": "EUR"
}
]
}
}
],
"redirect_urls": {
"return_url":"http://www.paypal.com/return",
"cancel_url":"http://www.paypal.com/cancel"
}
});
这是（如上所述）不适合我。有人知道，如何显示来自该XHR对象的错误信息？或者，甚至有人甚至可以看到我的代码可能有什么问题。如果你需要的工作（通过XHR）API调用：
var oReq = new XMLHttpRequest();
var encodedString = base64.encode(this.authorizationBasic);
oReq.open("POST", "https://api.sandbox.paypal.com/v1/oauth2/token", false);
oReq.setRequestHeader('Authorization', "Basic " + encodedString);
oReq.setRequestHeader('Content-type', "application/x-www-form-urlencoded");
oReq.setRequestHeader('Accept', "application/json");
oReq.setRequestHeader('Accept-Language', "en_US");
oReq.onreadystatechange = function() {
console.log("state changed - new state: " + oReq.readyState + " and Status: " + oReq.status);
if (oReq.readyState === 4) {
if (oReq.status === 200) {
var response = JSON.parse(oReq.responseText);
OAuthAccessor.access_token = response.access_token;
console.log("access_token set");
} else {
console.log("Error: " + oReq.status + " Message: " + oReq.responseText);
}
}
};
oReq.send('grant_type=client_credentials');
API参考：
集成PDF： https://www.paypalobjects.com/webstatic/de_DE/downloads/PayPal-PLUS-IntegrationGuide.pdf
呼叫参考： https://developer.paypal.com/docs/integration/direct/make-your-first-call/
我缩短呼叫： https://developer.paypal.com/docs/api/payments/#create_payment