PHP语言开发Paypal支付demo的具体实现

{
    "require" : { "paypal/rest-api-sdk-php" : "1.5.1"
    }
}

require "vendor/autoload.php"; //载入sdk的自动加载文件 define('SITE_URL', 'http://www.paydemo.com'); //网站url自行定义 //创建支付对象实例 $paypal = new \PayPal\Rest\ApiContext( new \PayPal\Auth\OAuthTokenCredential( '你的Client ID' '你的secret'
    )
);

/**
* @author xxxxxxxx
* @brief 简介：
* @date 15/9/2
* @time 下午5:00
*/
use \PayPal\Api\Payer;
use \PayPal\Api\Item;
use \PayPal\Api\ItemList;
use \PayPal\Api\Details;
use \PayPal\Api\Amount;
use \PayPal\Api\Transaction;
use \PayPal\Api\RedirectUrls;
use \PayPal\Api\Payment;
use \PayPal\Exception\PayPalConnectionException;

require "app/start.php"; if (!isset($_POST['product'], $_POST['price'])) { die("lose some params"); } $product = $_POST['product']; $price = $_POST['price']; $shipping = 2.00; //运费 $total = $price + $shipping; $payer = new Payer(); $payer->setPaymentMethod('paypal'); $item = new Item(); $item->setName($product) ->setCurrency('USD') ->setQuantity(1) ->setPrice($price); $itemList = new ItemList(); $itemList->setItems([$item]); $details = new Details(); $details->setShipping($shipping) ->setSubtotal($price); $amount = new Amount(); $amount->setCurrency('USD') ->setTotal($total) ->setDetails($details); $transaction = new Transaction(); $transaction->setAmount($amount) ->setItemList($itemList) ->setDescription("支付描述内容") ->setInvoiceNumber(uniqid()); $redirectUrls = new RedirectUrls(); $redirectUrls->setReturnUrl(SITE_URL . '/pay.php?success=true') ->setCancelUrl(SITE_URL . '/pay.php?success=false'); $payment = new Payment(); $payment->setIntent('sale') ->setPayer($payer) ->setRedirectUrls($redirectUrls) ->setTransactions([$transaction]); try { $payment->create($paypal); } catch (PayPalConnectionException $e) { echo $e->getData(); die(); } $approvalUrl = $payment->getApprovalLink(); header("Location: {$approvalUrl}");

php

require 'app/start.php';

use PayPal\Api\Payment;
use PayPal\Api\PaymentExecution;

if(!isset($_GET['success'], $_GET['paymentId'], $_GET['PayerID'])){
    die();
}

if((bool)$_GET['success']=== 'false'){

    echo 'Transaction cancelled!';
    die();
}

$paymentID = $_GET['paymentId'];
$payerId = $_GET['PayerID'];

$payment = Payment::get($paymentID, $paypal);

$execute = new PaymentExecution();
$execute->setPayerId($payerId);

try{
    $result = $payment->execute($execute, $paypal);
}catch(Exception $e){
    die($e);
}
echo '支付成功！感谢支持!';