Php export data to excel 2007 xlsx

Xuất Php export data to excel 2007 xlsx sử dụng thư viện PhpSpreadsheet

use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\IOFactory;
class IndexController extends \App\Controllers\ControllerBase {
    public function indexAction() {
        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();
        $sheet->setCellValue('A1', 'Hello World !');
        $sheet->setCellValue('A2', 'Hello World 2222!');
        $sheet->setCellValue('B2', '3333!');

        $spreadsheet->getActiveSheet()->getStyle('A2')->getFont()->setSize(15)->setBold(true);

        $spreadsheet->getActiveSheet()->setTitle('Rosa');

        // Redirect output to a client’s web browser (Xlsx)
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="01simple.xlsx"');
        header('Cache-Control: max-age=0');
// If you're serving to IE 9, then the following may be needed
        header('Cache-Control: max-age=1');

// If you're serving to IE over SSL, then the following may be needed
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
        header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header('Pragma: public'); // HTTP/1.0

        $writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
        $writer->save('php://output');

        $this->view->disable();
    }
}