hemall.terabimsoft.com.cn/app/common/services/alipay/MobileAlipay.php

<?php

/**
 * Created by PhpStorm.
 * Author: 芸众商城 www.yunzshop.com
 * Date: 2017/3/22
 * Time: 上午11:43
 */

/**
 * APP移动客户端支付宝支付功能
 */
namespace app\common\services\alipay;

use app\common\services\AliPay;

class MobileAlipay extends AliPay
{
    public function __construct()
    {}

    public function doPay($data, $payType = '')
    {
        $alipay = app('alipay.mobile');
        $alipay->setOutTradeNo($data['order_no']);
        $alipay->setTotalFee($data['amount']);
        $alipay->setSubject($data['subject']);
        $alipay->setBody($data['body']);

        // 返回签名后的支付参数给支付宝移动端的SDK。
        echo $alipay->getPayPara();
    }
}