Laravel에서 Excel을 가져오고 내보내는 방법

composer require maatwebsite/excel

'providers' => [
    // ...
    MaatwebsiteExcelExcelServiceProvider::class,
],

'aliases' => [
    // ...
    'Excel' => MaatwebsiteExcelFacadesExcel::class,
]

php artisan make:export UsersExport --model=User

namespace AppHttpControllers;

use AppExportsUsersExport;
use AppHttpControllersController;
use MaatwebsiteExcelFacadesExcel;

class UsersController extends Controller
{
    public function export()
    {
        return Excel::download(new UsersExport, 'users.xlsx');
    }
}

Excel::download(new UsersExport, 'users.xlsx');

namespace AppImports;

use IlluminateContractsViewView;
use MaatwebsiteExcelConcernsFromView;

class UsersImport implements FromView
{
    private $users;

    public function __construct(array $users)
    {
        $this->users = $users;
    }

    public function view(): View
    {
        return view('exports.users', [
            'users' => $this->users
        ]);
    }
}

<table>
    <thead>
    <tr>
        <th>Name</th>
        <th>Email</th>
        <th>Gender</th>
    </tr>
    </thead>
    <tbody>
    @foreach($users as $user)
        <tr>
            <td>{{ $user['name'] }}</td>
            <td>{{ $user['email'] }}</td>
            <td>{{ $user['gender'] }}</td>
        </tr>
    @endforeach
    </tbody>
</table>

namespace AppHttpControllers;

use AppImportsUsersImport;
use MaatwebsiteExcelFacadesExcel;

class UsersController extends Controller
{
    public function import()
    {
        $file = request()->file('file');

        $users = Excel::toArray(new UsersImport, $file);

        // 可以在此处将 $users 插入数据库
    }
}