$app['eccube.service.csv.export']->exportData(function ($entity, $csvService) {
    $Csvs = $csvService->getCsvs();
    $Order = $entity;

    $row = array();
    // CSV出力項目と合致するデータを取得.
    foreach ($Csvs as $Csv) {
        // 受注データを検索.
        $row[] = $csvService->getData($Csv, $Order);
    }
    $csvService->fputcsv($row);
});