data = $data; } /** * @return \Illuminate\Support\Collection */ public function array(): array { return $this->data; } public function styles(Worksheet $sheet) { // Hitung jumlah row yang dihasilkan $lastRow = $sheet->getHighestRow(); $lastColumn = $sheet->getHighestColumn(); // Range seluruh data, misal A1:C20 $range = 'A1:' . $lastColumn . $lastRow; // Terapkan border $sheet->getStyle($range)->applyFromArray([ 'borders' => [ 'allBorders' => [ 'borderStyle' => Border::BORDER_THIN, 'color' => ['rgb' => '000000'], // warna hitam ], ], ]); // Optional: header kuning + bold $sheet->getStyle('A1:' . $lastColumn . '1')->applyFromArray([ 'font' => [ 'bold' => true, ], 'fill' => [ 'fillType' => 'solid', 'color' => ['rgb' => 'FFFF00'], // header kuning ], ]); return []; } }