// 增加内存， 不限执行时间
ini_set("memory_limit", "1024M");
set_time_limit(0);

$fileds = [
            'id' => 'ID',
            'wx_openid' => '微信openid',
            'wx_name' => '微信昵称',
            'award_type' => '抽奖类型',
            'award_id' => '奖品ID',
            'award_name' => '奖品名称',
            'award_num' => '奖品数量',
            'award_time' => '获奖时间',
            'lbs' => '坐标(经度,纬度)',
            'lbs_province' => '坐标省份',
            'lbs_city' => '坐标城市',
            'lbs_address' => '坐标地址',
        ];

        $awardTypes = DAward::getsAwardTypes();
        foreach($rows as $k => $row) {
            $row['award_type'] = $awardTypes[$row['award_type']]['desc'];
            $row['award_time'] = date('Y-m-d H:i:s', $row['award_time']);
            $row['lbs'] = $row['lbs_lon'] . ',' . $row['lbs_lat'];
            $row['wx_name'] = str_replace(['^', '='], '', $this->filterEmoji($row['wx_name']));
            $rows[$k] = $row;
        }

        $fileName = date('Ymd', time()) . '抽奖记录.xlsx';
        $sheetName = '抽奖记录';

        $this->outputExcel($fileds, $rows, $fileName, $sheetName);

protected function outputExcel($fileds, $allDatas, $fileName, $sheetName)
    {
// 数据量大时，导出失败， 压缩一下，减少内存使用
        include KIF_PATH . '/PHPExcel/Settings.php';
        if (!\PHPExcel_Settings::setCacheStorageMethod('MemoryGZip')) {
            die('MemoryGZip' . " 缓存方法不可用" . EOL);
        }

        $phpexcel = new \PHPExcel();
        $letters = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T'];
        // 设置表头
        $index = 0;
        foreach ($fileds as $field => $fieldName) {
            $letter = $letters[$index];
            $phpexcel->setActiveSheetIndex(0)->setCellValue($letter . '1', $fieldName);
            $index++;
        }
        $phpexcel->createSheet();
        // 标签名
        $phpexcel->getActiveSheet()->setTitle($sheetName);
        // 使用第一个表
        $phpexcel->setActiveSheetIndex(0);
        $key = 2;
        foreach ($allDatas as $row) {
            $i = $key;
            $index = 0;
            foreach ($fileds as $field => $fieldName) {
                $letter = $letters[$index];
                $phpexcel->getActiveSheet()->setCellValue($letter . $i, $row[$field]);
                $index++;
            }
            $key++;
        }
        ob_end_clean();
        header('Content-type: application/vnd.ms-excel');
        header('Content-Disposition: attachment; filename="' . $fileName . '"');
        header('Cache-Control: max-age=0');
        header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
        header('Cache-Control: cache, must-revalidate');
        header('Pragma: public');
        $objWriter = \PHPExcel_IOFactory::createWriter($phpexcel, 'Excel5');
        $objWriter->save('php://output');
    }