Question

我正在尝试在PayPal Java SDK中找到一个API调用，以从PayPal服务中提取退款详细信息。我有交易明细和退款ID，但找不到任何API调用来获取退款的实际详细信息。在PayPal开发人员的网站上，我仅看到curl命令，但没有看到该操作的SDK示例。我想念什么吗？

Paypal refunds_get

Answer 1

您可以使用任何Http库中的documentation中指定的GET /v2/payments/refunds/{refund_id} PayPal API获取退款详细信息。

或者，如果您要专门使用PayPal的Java SDK本身，则可以使用source中存在的RefundsGetRequest对象（Checkout-Java-SDK），如下所示：

// Construct an environment with your client id and secret"
PayPalEnvironment environment = new PayPalEnvironment.Sandbox("xxxx","xxxx");

// Use this environment to construct a PayPalHttpClient
PayPalHttpClient client = new PayPalHttpClient(environment);

String refundId = "1234"; //set the refundId with the right value
String authorization = "xxxx" //The auth value would be Bearer <Access-Token> or Basic <client_id>:<secret>

// Construct a request object and set the desired parameters.
RefundsGetRequest request = new RefundsGetRequest(refundId)
                                 .authorization(authorization);

try {
    // Use your client to execute a request and get a response back
    HttpResponse<Refund> refundResponse = client.execute(request);

    // If the endpoint returns a body in its response, you can access the deserialized 
    // version by calling result() on the response.
    Refund refundDetails = refundResponse.result();
} catch (IOException ioe) {
    if (ioe instanceof HttpException) {
        // Something went wrong server-side
        HttpException he = (HttpException) ioe);
        int statusCode = he.getStatusCode();
        String debugId = he.getHeaders().header("PayPal-Debug-Id");
    } else {
        // Something went wrong client-side
    }
}

上面显示的catch块与SDK文档的通用示例一致，但理想情况下，按以下方式处理将更好：

catch (HttpException ex) {
    // Something went wrong server-side
    int statusCode = ex.getStatusCode();
    String debugId = ex.getHeaders().header("PayPal-Debug-Id");
} catch (Exception e) {
    // Handle accordingly
}

Maven存储库中checkout-sdk的链接为here

如何使用PayPal Java SDK通过ID获取退款详细信息

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