Payment(付款)

Request a payment - 发送一个付款请求

这些示例演示了请求付款所需的最少信息。有关可用参数的完整详细信息，可以看API文档(https://api-reference.checkout.com/#tag/Payments/paths/~1payments/post)。要使用预授权付款，请设置capture为false。并且在付款之后,要使用capture命令进行付款捕获。

Full Card

仅适用于PCI兼容商家，这允许您提供完整的卡详细信息。CVV号码要求取决于帐户设置。
普通支付的功能,支付结果同步返回不需要回调,只要确定返回的结果里Approved=true就是支付成功,在使用3D安全支付的时候,支付结果不同步返回,而且异步返回到回调地址

$method = new Checkout\Models\Payments\CardSource('4242424242424242', 01, 2020);
$method->cvv = '100';
$payment = new Checkout\Models\Payments\Payment($method, 'GBP');
$payment->capture = false;
$payment->amount = 999; // = 9.99
$response = $checkout->payments()
                     ->request($payment);

Source ID

申请卡付款后，您将收到一张来源ID，该ID可用于后续付款。

$method = new Checkout\Models\Payments\IdSource($sourceID);
$payment = new Checkout\Models\Payments\Payment($method, 'GBP');
$payment->capture = false;
$payment->amount = 999; // = 9.99
$response = $checkout->payments()
                     ->request($payment);

Tokens

这是一次性付款的推荐集成，并使用由Checkout Frames，Apple Pay或Google Pay令牌生成的卡令牌来请求付款。在此处了解有关令牌的更多信息。

$method = new Checkout\Models\Payments\TokenSource($tokenID);
$payment = new Checkout\Models\Payments\Payment($method, 'GBP');
$payment->capture = false;
$payment->amount = 999; // = 9.99
$response = $checkout->payments()
                     ->request($payment);

Network Tokens

与令牌相同，您可以使用Visa令牌服务生成的Visa网络令牌进行付款。

$method = new Checkout\Models\Payments\NetworkTokenSource($tokenID);
$payment = new Checkout\Models\Payments\Payment($method, 'GBP');
$payment->capture = false;
$payment->amount = 999; // = 9.99
$response = $checkout->payments()
                     ->request($payment);

3-D Secure

使用3-D Secure可以增加额外的安全性，以防止欺诈性付款。持卡人必须在结账过程中完成额外步骤以验证其身份。这种情况下,支付请求的返回结果不再是同步返回,而是异步回调给我们在checkout.com后台操作界面设置的回调地址!了解有关3-D Secure的更多信息3-Dsecure介绍。

$payment = new Checkout\Models\Payments\Payment($method, 'GBP');
$payment->threeDs = new Checkout\Models\Payments\ThreeDs(TRUE);
$response = $checkout->payments()
                     ->request($payment);
$redirectionUrl = $response->getRedirection();

Idempotency - 幂等

有时，由于API调用中断（例如网络错误或超时），您可能需要重试付款。我们的付款API支持幂等性，因此您可以安全地重试请求而无需重复付款。

$payment = new Checkout\Models\Payments\Payment($method, 'GBP');
$payment->setIdempotencyKey($uuid);

Details - 获取支付详情

通过传递其ID来获取付款的详细信息。可以从付款请求响应$paymentID = $response->getId()或$paymentID = $response->id或先前的付款细节$paymentID = $details->getId()或$paymentID = $details->id中检索此ID 。

$details = $checkout->payments()->details($paymentID);

Capture - 捕获(应该可以理解为消费预授权)

如果要求付款$payment->capture = false，您必须命令获取付款或从中心获取付款，否则付款将仅被授权。如果，则不允许手动捕获$payment->capture = true。通过设置金额可以全部或部分捕获授权付款（剩余金额将自动取消）。

$payment = new Checkout\Models\Payments\Capture($paymentID);
// Partial capture: $payment->amount = 999;
$capture = $checkout->payments()->capture($payment);

Void - 置空预授权

如果尚未捕获付款，则可以通过运行void命令来清空预售权。

$payment = new Checkout\Models\Payments\Voids($paymentID);
$void = $checkout->payments()->void($payment);

Refund - 退款

捕获的款项可以全额或部分退款。处理完毕后，退款将无法取消。付款可以多次退款，但不能超过原始付款金额。

$payment = new Checkout\Models\Payments\Refund($paymentID);
// Partial capture: $payment->amount = 999;
$refund = $checkout->payments()->refund($paymentID);

Actions

获取与按处理日期按降序排序的付款相关的所有操作（最新的第一个）。

$actions = $checkout->payments()->actions($paymentID);

附上一段项目中Checkout普通支付的代码

<?php
class pay{
    protected $sandbox; //是否开启沙箱

    protected $checkout;

    protected $serect_key;

    protected $public_key;

    public function setCheckout($checkout){
        $this->checkout = $checkout;
    }

    public function setSerectKey($serect_key){
        $this->serect_key = $serect_key;
    }

    public function setPublicKey($public_key){
        $this->public_key = $public_key;
    }

        public function setSandBox($sand_box){
                $this->sandbox = $sand_box;
        }

    public function __construct($foo,$foo,false)
    {
        $this->setSerectKey($foo);
        $this->setPublicKey($foo);
        $this->setSandbox(false);
        // Initialize the Checkout API
        $checkout = new CheckoutApi($this->serect_key,$this->sandbox,$this->public_key);

        $this->setCheckout($checkout);
    }
    
    public function checkoutpay($params){
        $card_number = $params['card_number'];
        $expiry_year = $params['expiry_year'];
        $expiry_month = $params['expiry_month'];
        $cvv = $params['cvv'];
        $currency = $params['currency'];
        $amount = $params['amount'];

        // Create a Card token
        $card = new Card($card_number, $expiry_month, $expiry_year);
        $card->cvv = $cvv;
        $token = $this->checkout->tokens()->request($card);

        // Create a payment method instance with card details
        $method = new TokenSource($token->getId());

        // Prepare the payment parameters
        $payment = new Payment($method, $currency);
        $payment->amount = $amount; // = 10.00

        // Send the request and retrieve the response
        $response = $this->checkout->payments()->request($payment);
        
        return $response;
    }

    public function getDetails($paymentID){
        $details = $this->checkout->payments()->details($paymentID);
        return $details;
    }
}
?>

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