[ 'font' => ['bold' => true, 'color' => ['rgb' => '733E0A']], 'fill' => [ 'fillType' => Fill::FILL_SOLID, 'startColor' => ['rgb' => 'FDC700'], ], 'alignment' => [ 'horizontal' => Alignment::HORIZONTAL_LEFT, 'vertical' => Alignment::VERTICAL_CENTER, ], ], ]; } public function registerEvents(): array { return [ AfterSheet::class => function (AfterSheet $event) { $sheet = $event->sheet->getDelegate(); $lastColumn = $sheet->getHighestColumn(); $sheet->insertNewRowBefore(1, 1); $sheet->mergeCells("A1:{$lastColumn}1"); $sheet->setCellValue('A1', $this->title().' '.config('app.name')); $sheet->getRowDimension(1)->setRowHeight(24); $sheet->getStyle('A1')->getFont()->setBold(true)->setSize(14); $sheet->getStyle('A1')->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER); $sheet->getStyle('A1')->getAlignment()->setVertical(Alignment::VERTICAL_CENTER); }, ]; } }