关于laravel:Laravel导出CSV

Laravel导出CSV

<?phpnamespace App\Services;use Symfony\Component\HttpFoundation\BinaryFileResponse;class ReportsBase{    /**     * 写入CSV文件     * @param string $file_name     * @param array $arrHeader     * @param array $arrDataList     * @return array     */    public static function writeFile(string $file_name = '', array $arrHeader = [], array $arrDataList = []): array    {        ini_set('memory_limit', '2048M');        $dir_name  = 'export/';        $file_name = $dir_name . sprintf("%s", $file_name . ".csv");        $fileData  = implode(',', $arrHeader) . "\r\n";        foreach ($arrDataList as $line) {            $fileData .= implode(',', str_replace(',', ' ', $line)) . "\r\n";        }        \Storage::disk('local')->put($file_name, mb_convert_encoding($fileData, 'gbk', 'utf-8'));        return [            'file_path' => $dir_name,            'file_name' => storage_path('app/' . $file_name),        ];    }    /**     * 下载文件     * @param $file     * @return BinaryFileResponse     */    public static function downloadCsv($file): BinaryFileResponse    {        return response()->download($file)->deleteFileAfterSend();    }}