data = $data; } public function array():array { $items = []; foreach ($this->data as $value){ $items[] = [ $value->id, $value->name, $value->mobile, $value->office_name, $value->created_at, ]; } return $items; } public function headings(): array { return [ ['用户id','姓名', '手机号', '办公室','创建时间'] ]; } public function styles(Worksheet $sheet) { $sheet->getStyle('A')->getNumberFormat()->setFormatCode(NumberFormat::FORMAT_TEXT); $sheet->getStyle('C')->getNumberFormat()->setFormatCode(NumberFormat::FORMAT_TEXT); return [ 1 => [ 'alignment' => [ 'horizontal' => Alignment::HORIZONTAL_CENTER, ], 'font' => [ 'bold' => true, ], 'borders' => [ 'allBorders' => [ 'borderStyle' => Border::BORDER_THIN, ], ], ], ]; } public function registerEvents(): array { return [ AfterSheet::class => function (AfterSheet $event) { $event->sheet->getDelegate()->calculateColumnWidths(); }, ]; } }