Laravel implements groupby to query the number of packets

How to use laravel To achieve the following sql Well ？

select `book_name`, count(*) as num from `clock_books` group by `book_name`

You can use laravel Original expression for DB::raw() To operate ：

$books = DB::table('books')
    ->select('book_name', DB::raw('count(*) as num'))
    ->groupBy('book_name')
    ->get();
||    

$users = DB::table('books')
 ->select(DB::raw('count(*) as num, book_name'))
 ->groupBy('book_name')
 ->get();