<?php
namespace app\index\controller;use PayPal\Rest\ApiContext;
use PayPal\Auth\OAuthTokenCredential;
use PayPal\Api\Amount;
use PayPal\Api\Details;
use PayPal\Api\Item;
use PayPal\Api\ItemList;
use PayPal\Api\Payer;
use PayPal\Api\Payment;
use PayPal\Api\RedirectUrls;
use PayPal\Api\Transaction;class Index
{public function index(){$clientId = 'xxxx';$clientSecret = 'xxxx';$apiContext = new ApiContext(new OAuthTokenCredential($clientId,$clientSecret));$apiContext->setConfig(array('mode' => 'sandbox','log.LogEnabled' => true,'log.FileName' => '../PayPal.log','log.LogLevel' => 'DEBUG', // PLEASE USE `INFO` LEVEL FOR LOGGING IN LIVE ENVIRONMENTS'cache.enabled' => true,// 'http.CURLOPT_CONNECTTIMEOUT' => 30// 'http.headers.PayPal-Partner-Attribution-Id' => '123123123'//'log.AdapterFactory' => '\PayPal\Log\DefaultLogFactory' // Factory class implementing \PayPal\Log\PayPalLogFactory));// ### Payer// A resource representing a Payer that funds a payment// For paypal account payments, set payment method// to 'paypal'.$payer = new Payer();$payer->setPaymentMethod("paypal");// ### Itemized information// (Optional) Lets you specify item wise// information$item1 = new Item();$item1->setName('商品1')->setCurrency('USD')->setQuantity(1)->setSku("123123") // Similar to `item_number` in Classic API->setPrice(7.5);$item2 = new Item();$item2->setName('商品2')->setCurrency('USD')->setQuantity(5)->setSku("321321") // Similar to `item_number` in Classic API->setPrice(2);$itemList = new ItemList();$itemList->setItems(array($item1, $item2));// ### Additional payment details// Use this optional field to set additional// payment information such as tax, shipping// charges etc.$details = new Details();$details->setShipping(1.2)  ->setTax(1.3) ->setSubtotal(17.50);// ### Amount// Lets you specify a payment amount.// You can also specify additional details// such as shipping, tax.$amount = new Amount();$amount->setCurrency("USD")->setTotal(20)->setDetails($details);// ### Transaction// A transaction defines the contract of a// payment - what is the payment for and who// is fulfilling it. $transaction = new Transaction();$transaction->setAmount($amount)->setItemList($itemList)->setDescription("商品描述")->setInvoiceNumber(uniqid());// ### Redirect urls// Set the urls that the buyer must be redirected to after // payment approval/ cancellation.$baseUrl = 'http://'.$_SERVER["HTTP_HOST"];$redirectUrls = new RedirectUrls();$redirectUrls->setReturnUrl("$baseUrl/public/index.php/index/Index/success")->setCancelUrl("$baseUrl/public/index.php/index/Index/cancel");// ### Payment// A Payment Resource; create one using// the above types and intent set to 'sale'$payment = new Payment();$payment->setIntent("sale")->setPayer($payer)->setRedirectUrls($redirectUrls)->setTransactions(array($transaction));// For Sample Purposes Only.$request = clone $payment;// ### Create Payment// Create a payment by calling the 'create' method// passing it a valid apiContext.// (See bootstrap.php for more on `ApiContext`)// The return object contains the state and the// url to which the buyer must be redirected to// for payment approvaltry {$payment->create($apiContext);} catch (Exception $ex) {// NOTE: PLEASE DO NOT USE RESULTPRINTER CLASS IN YOUR ORIGINAL CODE. FOR SAMPLE ONLYResultPrinter::printError("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", null, $request, $ex);exit(1);}// ### Get redirect url// The API response provides the url that you must redirect// the buyer to. Retrieve the url from the $payment->getApprovalLink()// method$approvalUrl = $payment->getApprovalLink();}public function success(){echo 'success';}public function cancel(){echo 'cancel';}
}

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