Laravel 5.4，如何找到 LoginController@showLoginForm？

Question

在 php artisan route:list 我有

GET|HEAD  | login                  | login            | App\Http\Controllers\Auth\LoginController@showLoginForm                | web,guest

但是当我转到 App\Http\Controllers\Auth\LoginController.php 时，我所拥有的只是以下内容。如何找到“@showLoginForm”部分以便我可以编辑此 Controller ？

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;

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 = '/home';

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

Answer 1

在LoginController中，可以看到如下代码:

use AuthenticatesUsers;

上面一行表示这个类/ Controller (LoginController)正在使用AuthenticatesUsers Trait。这个特征的路径是 \vendor\laravel\framework\src\Illuminate\Foundation\Auth\AuthenticatesUsers.php

在这个特征文件中，第一个函数是showLoginForm()。