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

<?php

namespace App\Repositories\Service\Payment;

class DahePayment extends PaymentInterface
{

    /**
     * 支付请求地址
     *
     * @var string
     */
    private $payUrl = 'http://www.azhifu2022.com/Pay';

    const SUCCESS_STATUS = 1;

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

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

    /**
     * @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 = [
            'fxid' => $data['partner_id'],  //商户号
            'fxddh' => $data['order_sn'],
            'fxdesc' => 'PAY',
            'fxattch' => 'PAY',
            'fxfee' => sprintf('%.2f', $data['money']),
            'fxnotifyurl' => $data['notify_url'],
            'fxbackurl' => $data['pay_url'],
            'fxpay' => $data['pay_attr_code'],
        ];
        $payInfo['fxip'] = '127.0.0.1';
        $payInfo['fxsign'] = md5($payInfo['fxid'] . $payInfo['fxddh'] . $payInfo['fxfee'] . $payInfo['fxnotifyurl'] . $this->publicKey);
        $sRes = $this->httpPost($this->payUrl, $payInfo);
        if (empty($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['status'] != self::SUCCESS_STATUS) {
            $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['payurl'];
    }

    public function queryOrder($data, &$orderSn, &$money, $partnerId)
    {
        $queryInfo = [
            'fxid' => $partnerId,
            'fxddh' => $orderSn,
            'fxaction' => 'orderquery',
        ];
        $queryInfo['fxsign'] = md5($partnerId . $orderSn . 'orderquery' . $this->publicKey);

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

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

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

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

        return true;
    }

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

        $sign = md5($data['fxstatus'] . $partnerId . $data['fxddh'] . $data['fxfee'] . $this->publicKey);
        if ($sign != $data['fxsign']) {
            $this->_lastError = '验证失败！';
            payLogger(__CLASS__, '验证失败 key=' . $this->publicKey, $data);
            return false;
        }

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

        $orderSn = $data['fxddh'];
        $tradeNo = $data['fxorder'];
        return true;
    }

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