/**

     * curl 抓取图片

     * @param $url

     * @return mixed

     */

    public static function downLoadImage($url)

    {

        $header = array('Expect:');

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');

        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

        curl_setopt($ch, CURLOPT_URL, $url);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);

        curl_setopt($ch, CURLOPT_TIMEOUT, 10);

        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);

        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);

        $img = curl_exec($ch);

        curl_close ($ch);

        //$return_code = curl_getinfo ( $ch, CURLINFO_HTTP_CODE );

        return $img;

    }

foreach ($productData as $val) {

            $serviceParams['model_id'] = $val['id'];

            // 调用逻辑层

            $qrcodeService->getQrcode($serviceParams);

            // 接收逻辑层处理结果

            if (!is_null($qrcodeService->getError())) {

                return $this->setError($qrcodeService->getError());

            }

            $qrcode = CommonLib::downLoadImage($qrcodeService->_data);

            //重试一次

            if (!$qrcode) {

                $qrcode = CommonLib::downLoadImage($qrcodeService->_data);

            }

            //重名重写

            if (isset($name[$val['name']])) {

                $name[$val['name']]++;

                $val['name'] = $val['name'] . '(' . $name[$val['name']] . ')';

            }

            $name[$val['name']] = 0;

            file_put_contents(iconv('utf-8', 'gbk', $dir . DIRECTORY_SEPARATOR . $val['name'] . '.png'), $qrcode);

        }