data = $data; } /** * @return \Illuminate\Support\Collection */ public function collection() { return collect($this->data); } public function headings(): array { return [ ['姓名','手机号', '角色', "余额"] ]; } public function styles(Worksheet $sheet) { $sheet->getStyle('B')->getNumberFormat()->setFormatCode(NumberFormat::FORMAT_TEXT); $sheet->getStyle('D')->getNumberFormat()->setFormatCode(NumberFormat::FORMAT_NUMBER_00); } }