<?php

require_once (__DIR__.'/alipay-sdk-PHP-20171023143822/AopSdk.php');

class Alipay
{
 /**
 * 應(yīng)用ID
 */
 const APPID = '你的應(yīng)用ID';
 /**
 *請(qǐng)?zhí)顚?xiě)開(kāi)發(fā)者私鑰去頭去尾去回車(chē)，一行字符串
 */
 const RSA_PRIVATE_KEY = '應(yīng)用對(duì)應(yīng)開(kāi)發(fā)者私鑰';
 /**
 *請(qǐng)?zhí)顚?xiě)支付寶公鑰，一行字符串
 */
 const ALIPAY_RSA_PUBLIC_KEY = '支付寶提供的公鑰';
 /**
 * 支付寶服務(wù)器主動(dòng)通知商戶服務(wù)器里指定的頁(yè)面
 * @var string
 */
 private $callback = "http://www.test.com/notify/alipay_notify.php";

 /**
 *生成APP支付訂單信息
 * @param string $orderId 商品訂單ID
 * @param string $subject 支付商品的標(biāo)題
 * @param string $body 支付商品描述
 * @param float $pre_price 商品總支付金額
 * @param int $expire 支付交易時(shí)間
 * @return bool|string 返回支付寶簽名后訂單信息，否則返回false
 */
 public function unifiedorder($orderId, $subject,$body,$pre_price,$expire){
 try{
  $aop = new \AopClient();
  $aop->gatewayUrl = "https://openapi.alipay.com/gateway.do";
  $aop->appId = self::APPID;
  $aop->rsaPrivateKey = self::RSA_PRIVATE_KEY;
  $aop->format = "json";
  $aop->charset = "UTF-8";
  $aop->signType = "RSA2";
  $aop->alipayrsaPublicKey = self::ALIPAY_RSA_PUBLIC_KEY;
  //實(shí)例化具體API對(duì)應(yīng)的request類(lèi),類(lèi)名稱和接口名稱對(duì)應(yīng),當(dāng)前調(diào)用接口名稱：alipay.trade.app.pay
  $request = new \AlipayTradeAppPayRequest();
  //SDK已經(jīng)封裝掉了公共參數(shù)，這里只需要傳入業(yè)務(wù)參數(shù)
  $bizcontent = "{\"body\":\"{$body}\"," //支付商品描述
  . "\"subject\":\"{$subject}\"," //支付商品的標(biāo)題
  . "\"out_trade_no\":\"{$orderId}\"," //商戶網(wǎng)站唯一訂單號(hào)
  . "\"timeout_express\":\"{$expire}m\"," //該筆訂單允許的最晚付款時(shí)間，逾期將關(guān)閉交易
  . "\"total_amount\":\"{$pre_price}\"," //訂單總金額，單位為元，精確到小數(shù)點(diǎn)后兩位，取值范圍[0.01,100000000]
  . "\"product_code\":\"QUICK_MSECURITY_PAY\""
  . "}";
  $request->setNotifyUrl($this->callback);
  $request->setBizContent($bizcontent);
  //這里和普通的接口調(diào)用不同，使用的是sdkExecute
  $response = $aop->sdkExecute($request);
  //htmlspecialchars是為了輸出到頁(yè)面時(shí)防止被瀏覽器將關(guān)鍵參數(shù)html轉(zhuǎn)義，實(shí)際打印到日志以及http傳輸不會(huì)有這個(gè)問(wèn)題
  return htmlspecialchars($response);//就是orderString 可以直接給客戶端請(qǐng)求，無(wú)需再做處理。
 }catch (\Exception $e){
  return false;
 }

 }
}

<?php
/**
 * alipay_notify.php.
 * User: lvfk
 * Date: 2017/10/26 0026
 * Time: 13:48
 * Desc: 支付寶支付成功異步通知
 */
include_once (__DIR__.'/../alipay-sdk-PHP-20171023143822/AopSdk.php');

//驗(yàn)證簽名
$aop = new \AopClient();
$aop->alipayrsaPublicKey = \Comm\Pay\Alipay::ALIPAY_RSA_PUBLIC_KEY;
$flag = $aop->rsaCheckV1($_POST, NULL, "RSA2");

//驗(yàn)簽
if($flag){
 //處理業(yè)務(wù)，并從$_POST中提取需要的參數(shù)內(nèi)容
 if($_POST['trade_status'] == 'TRADE_SUCCESS'
 || $_POST['trade_status'] == 'TRADE_FINISHED'){//處理交易完成或者支付成功的通知
 //獲取訂單號(hào)
 $orderId = $_POST['out_trade_no'];
 //交易號(hào)
 $trade_no = $_POST['trade_no'];
 //訂單支付時(shí)間
 $gmt_payment = $_POST['gmt_payment'];
 //轉(zhuǎn)換為時(shí)間戳
 $gtime = strtotime($gmt_payment);

 //此處編寫(xiě)回調(diào)處理邏輯

		//處理成功一定要返回 success 這7個(gè)字符組成的字符串，
		//die('success');//響應(yīng)success表示業(yè)務(wù)處理成功，告知支付寶無(wú)需在異步通知
 
 }
}