members = $members; } public function array():array { $rows = []; foreach ($this->members as $member) { $rows[] = ['user_id'=>$member->user_id, 'name'=>$member->name, 'mobile'=>$member->mobile, 'level'=>$member->award?$member->award->level:""]; } return $rows; } public function headings(): array { return [ ['用户id', '用户姓名', '手机号', '中奖奖项'] ]; } }