v2board/app/Http/Controllers/Admin/UserController.php

<?php

namespace App\Http\Controllers\Admin;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\Models\Order;
use App\Models\User;

class UserController extends Controller
{
    public function index (Request $request) {
        $current = $request->input('current') ? $request->input('current') : 1;
        $pageSize = $request->input('pageSize') >= 10 ? $request->input('pageSize') : 10;
        $userModel = User::orderBy('created_at', 'DESC');
        if ($request->input('email')) {
            $userModel->where('email', $request->input('email'));
        }
        $total = $userModel->count();
        return response([
            'data' => $userModel->forPage($current, $pageSize)
                ->get(),
            'total' => $total
        ]);
    }
}