smms_law_re/app/Http/Controllers/Auth/LoginController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Providers\RouteServiceProvider;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = RouteServiceProvider::HOME;
    protected $maxAttempts = 3;
    protected $decayMinutes = 10;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    //複寫登入驗證 可使用name登入
    protected function credentials(Request $request)
    {
    //    dd($this->account());
        $field = filter_var($request->get($this->username()), FILTER_VALIDATE_EMAIL)
            ? $this->username()
            : 'account';//欄位名稱

        return [
            $field => $request->get($this->username()),
            'password' => $request->password,
        ];
    }


}