pay_center_server/app/Repositories/Service/Payment/GdPayment.php

<?php

namespace App\Repositories\Service\Payment;

class GdPayment extends PaymentInterface
{
    /**
     * 支付请求地址
     *
     * @var string
     */
    private $payUrl = 'http://27.124.38.93:22336/api/unifiedorder';

    /**
     * 查询请求地址
     *
     * @var string
     */
    private $queryUrl = 'http://27.124.38.93:22336/api/query';

    const SUCESS_CODE = 0;

    const STATUS_CODE = 2;

    /**
     * @var null
     */
    private static $_instance = null;

    /**
     * 公钥
     *
     * @var string
     */
    private $publicKey = '21c14b558043451d8847f46d73782ef9';

    /**
     * @return WhiteSharkPayment|null
     */
    public static function getInstance()
    {
        if (is_null(self::$_instance)) {
            self::$_instance = new self();
        }
        return self::$_instance;
    }

    public function createPayLink($data = array())
    {
        $payInfo = [
            'mch_id' => $data['partner_id'],
            'pass_code' => $data['pay_attr_code'],
            'subject' => 'PAY',
            'body' => 'Pay',
            'out_trade_no' => $data['order_sn'],
            'amount' => $data['money'],
            'client_ip' => '127.0.0.1',
            'notify_url' => $data['notify_url'],
            'return_url' => $data['pay_url'],
            'timestamp' => date('Y-m-d H:i:s'),
        ];
        $payInfo['sign'] = strtoupper(md5($this->getSign($payInfo, false) . $this->publicKey));

        $sRes = $this->httpPost($this->payUrl, $payInfo, 2);
        if (empty($sRes)) {
            $this->_lastError = '请求异常';
            //payLogger(__CLASS__, '请求异常data='.$sRes, $payInfo);
            return '';
        }

        $aRes = json_decode($sRes, true);
        if (empty($aRes)) {
            $this->_lastError = '请求异常!';
            payLogger(__CLASS__, '请求异常 (解析) data='.$sRes, $payInfo);
            return '';
        }

        if ($aRes['code'] != self::SUCESS_CODE) {
            $this->_lastError = '请求异常,请求失败';
            payLogger(__CLASS__, '请求异常,请求失败 data='.$sRes, $payInfo);
            return '';
        }

        return $aRes['data']['pay_url'];
    }

    public function queryOrder($data, &$orderSn, &$money, $partnerId)
    {
        $queryInfo = [
            'mch_id' => $partnerId,
            'out_trade_no' => $orderSn,
            'timestamp' => date('Y-m-d H:i:s'),
        ];

        $queryInfo['sign'] = strtoupper(md5($this->getSign($queryInfo, false) . $this->publicKey));
        $sRes = $this->httpPost($this->queryUrl, $queryInfo, 2);
        if (empty($sRes)) {
            $this->_lastError = '查询请求异常';
            payLogger(__CLASS__, '查询请求异常 $queryInfo='.json_encode($queryInfo), $data);
            return '';
        }

        $aRes = json_decode($sRes, true);
        if (empty($sRes)) {
            $this->_lastError = '查询解析异常';
            payLogger(__CLASS__, '查询解析异常 data='.$sRes, $data);
            return '';
        }

        if ($aRes['code'] != self::SUCESS_CODE) {
            $this->_lastError = '查询订单状态异常';
            payLogger(__CLASS__, '查询订单状态异常'.json_encode($data));
            return '';
        }

        if ($money != $aRes['data']['money']) {
            $this->_lastError = '查询订单金额异常';
            payLogger(__CLASS__, '查询订单金额异常'.json_encode($data));
            return '';
        }

        return true;
    }

    public function notify(&$orderSn, &$tradeNo, &$money, $partnerId)
    {
        $data = request()->all();
        if ($data['status'] != self::STATUS_CODE) {
            payLogger(__CLASS__, '回调订单状态失败!'.json_encode($data));
            return false;
        }

        $info = [
            'mch_id' => $partnerId,
            'trade_no' => $data['trade_no'],
            'out_trade_no' => $data['out_trade_no'],
            'original_trade_no' => $data['original_trade_no'],
            'money' => $data['money'],
            'notify_time' => $data['notify_time'],
            'subject' => $data['subject'],
            'body' => $data['body'],
            'status' => $data['status']
        ];

        $sign = strtoupper(md5($this->getSign($info, false) . $this->publicKey));
        if ($sign != $data['sign']) {
            $this->_lastError = '验证失败！';
            logger(json_encode($data) . ':验证失败!');
            return false;
        }

        $authMoney = $data['money'];
        $res = $this->queryOrder($data, $data['out_trade_no'], $authMoney, $partnerId);
        if (empty($res)) {
            return '';
        }

        $money = $data['money'];
        $orderSn = $data['out_trade_no'];
        $tradeNo = $data['trade_no'];
        return true;
    }

    public function stopNotify()
    {
        return 'SUCCESS';
    }
}