PHP获取小程序太阳码

function getAccessToken()
    {
        $appId = "";
        $secretId = "";
        $accessUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s";

        $url = sprintf($accessUrl, $appId, $secretId);
        $result = $this->https_request($url);
        $Result = json_decode($result, true);
        return $Result['access_token'];
    }



    function getProductQrcode($product_id, $page, $scene)
    {
        $field = 'qrcode_image';
        $file_path = 'product_qrcode';
        $dir = ROOT_PATH . 'public/uploads/qr/mall_qrcode';



        $user_info = \app\admin\model\shihu\Product::get($product_id);


        if (!empty($user_info[$field])) {
            return $user_info[$field];
        }


        $res = $this->getAccessToken();
        $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=$res";
        $processData = [
            'page' => $page,
            'scene' => $scene//二维码携带的参数
        ];


        $qrData = json_encode($processData);


        $data = $this->https_request($url, $qrData);


        $tmp = json_decode($data, true);


        if ($tmp['errcode'] == 45009 || $tmp['errcode'] == 41030) {
            return (['code' => $tmp['errcode'], 'msg' => $tmp['errmsg']]);
        }
        $filename = $product_id . date('YmdHis') . rand(10000, 999999) . '.jpg';


        if (!is_dir($dir)) {
            @mkdir($dir, 0777, true);
        }

        $file = $dir . '/' . $filename;
        file_put_contents($file, $data);

        $retFile = '/uploads/qr/' . $file_path . '/' . $filename;

        $user_info->qrcode_image = $retFile;

        $user_info->save();
        return $retFile;
    }


    function https_request($url, $data = null)
    {
        if (function_exists('curl_init')) {
            $curl = curl_init();
            curl_setopt($curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
            curl_setopt($curl, CURLOPT_URL, $url);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
            curl_setopt($curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
            if (!empty($data)) {
                curl_setopt($curl, CURLOPT_POST, 1);
                curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            }
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
            $output = curl_exec($curl);
            curl_close($curl);
            return $output;
        } else {
            return false;
        }
    }