laravel5.5 调用系统自带登陆认证auth

1执行命令
 php artisan make:auth

2 编辑文件
config/auth
guardes

'admin' => [
    'driver' => 'session',
    'provider' => 'admins',
],
providers
'admins' => [
    'driver' => 'eloquent',
    'model' => App\Model\Admin::class,
],

3 创建model文件
php artisan make:model Model/Admin

4 创建数据库

CREATE TABLE `admin` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`username` varchar(30) COLLATE utf8_unicode_ci NOT NULL,
`email` varchar(50) COLLATE utf8_unicode_ci NOT NULL,
`password` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
`remember_token` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

INSERT INTO admin (`id`, `username`, `email`, `password`, `remember_token`, `created_at`, `updated_at`) VALUES ('2', 'admin', 'admin@admin.com', '$2y$10$3eSGes8MbhpCvu.WwAEfNuMaWuhJ6dyFM9EkHussBr0WYfRsFtJ8q', 'WlcBHvBBeAF6rso9uDkcgNCmj1ivpsGbNjY5xQ61tBJKtWAOboi44upUaqdI', '2018-05-05 14:33:03', '2018-05-05 09:13:20');

初始化登陆的用户名和密码

5 编辑控制器

<?php

namespace App\Http\Controllers\Auth;

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

use Illuminate\Support\Facades\Auth;

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 = '/index/';

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

    public function username()
    {
        return 'username';
    }
　　
    //加载自定义的guard
    protected function guard()
    {
        return Auth::guard('admin');
    }
}