ThinkPHP5.x 支付宝当面付[扫描用户付款码支付]

//AlipayTradePayContentBuilder.php 需要在官方当面付SDK中下载调用
// 官方SDK 地址 https://docs.open.alipay.com/54/103419
/**
* 二维码当面付
*
* @param mixed $sn 自定义订单编号
* @param string $subject 订单标题
* @param string $body 订单正文
* @param number $total_amount 支付金额
* @return NULL[]
*/
public static function doQrCodeTrade($sn, $subject, $body, $total_amount)
{
$qrPayRequestBuilder = new \AlipayTradePayContentBuilder();
$qrPayRequestBuilder->setOutTradeNo($sn);
$qrPayRequestBuilder->setTotalAmount($total_amount);
//$qrPayRequestBuilder->setAuthCode($auth_code);
$qrPayRequestBuilder->setTimeExpress(“5m”);
$qrPayRequestBuilder->setSubject($subject);
$qrPayRequestBuilder->setBody($body);

// 调用barPay方法获取当面付应答
$config = config(‘service.alipay’);
$qrPay = new \AlipayTradeService($config);
$qrPayResult = $qrPay->qrPay($qrPayRequestBuilder);

$data = [];
$data[‘status’] = $qrPayResult->getTradeStatus(); // SUCCESS/FAILED/UNKNOWN
$response = json_decode(json_encode($qrPayResult->getResponse()), true);
trace(‘alipay:’ . json_encode($response), ‘log’);
$data[‘message’] = $response[‘msg’];
if ($data[‘status’] == ‘SUCCESS’) {
$data[‘outer_sn’] = $response[‘trade_no’];
} else {
$data[‘message’] .= $response[‘sub_msg’];
}

return $data;
}

//帮博主多补充一种方式，感谢博主分享