$employees */ public function create(MessageType $type, ?string $title, ?string $content, array $employees = [], array $additional = []) { $employeeIds = collect($employees)->map(function ($employee) { if ($employee instanceof Employee) { return $employee->id; } return $employee; })->all(); $message = Message::create([ 'type' => $type, 'title' => $title, 'content' => $content, 'additional' => $additional, 'employee_ids' => $employeeIds, ]); switch ($message->type) { // @todo 根据消息类型发送通知 } } }