laravel如何实现多用户体系登录

部分文件内容可能需要根据实际情况修改

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创建一个Admin模型

php artisan make:model Admin -m

编写admins表字段

Schema::create('admins', function (Blueprint $table) {     $table->increments('id');     $table->string('name')->unique();     $table->string('password');     $table->rememberToken();     $table->timestamps(); });

编辑admin模型

<?php namespace App; use Illuminate\Notifications\Notifiable; use Illuminate\Foundation\Auth\User as Authenticatable; /**  * @property int $id  * @property \Carbon\Carbon $created_at  * @property \Carbon\Carbon $updated_at  */ class Admin extends Authenticatable {     use Notifiable;     protected $fillable = [         'name', 'password','remember_token'     ];     protected $hidden = [         'password','remember_token'     ]; }

修改auth.php配置文件

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

在app/Http/Controllers下创建目录Admin/Auth

在Admin目录下创建文件HomeController.php(这个文件用来测试登录成功后的跳转页面)

<?php namespace App\Http\Controllers\Admin; use App\Http\Controllers\Controller; use Illuminate\Http\Request; class HomeController extends Controller {     /**      * HomeController constructor.      */     public function __construct()     {         $this->middleware('auth:admin');     }     /**      * Show the application dashboard.      *      * @return \Illuminate\Http\Response      */     public function index()     {         return view('admin.home');     } }

使用命令生成一个Request

php artisan make:request AdminLoginRequest

此时在app/Http/Request目录下便生成了这个文件，然后编辑这个文件

<?php namespace App\Http\Requests; use Illuminate\Foundation\Http\FormRequest; class AdminLoginRequest extends FormRequest {     /**      * 确定用户是否有权发出此请求.      *      * @return bool      */     public function authorize()     {         return true;     }     /**      * 获取适用于请求的验证规则.      *      * @return array      */     public function rules()     {         return [             'name'     => 'required',             'password' => ['required', 'min:6'] //密码必须，最小长度为6         ];     } }

在Admin/Auth目录下创建文件LoginController.php

<?php namespace App\Http\Controllers\Admin\Auth; use App\Http\Controllers\Controller; use App\Http\Requests\AdminLoginRequest; use Illuminate\Support\Facades\Auth; class LoginController extends Controller {     public function showLoginForm()     {         return view('admin.auth.login');     }     public function postLogin(AdminLoginRequest $loginRequest)     {         $data = $loginRequest->only('name', 'password');         $result = Auth::guard('admin')->attempt($data, true);         if ($result) {             return redirect(route('admin.home'));         } else {             return redirect()->back()                 ->with('name', $loginRequest->get('name'))                 ->withErrors(['name' => '用户名或密码错误']);         }     }     public function postLogout()     {         Auth::guard('admin')->logout();         return redirect(route('admin.login.show'));     } }

添加路由。打开app/providers/RouteServiceProvider.php

在方法mapWebRoutes()方法后面增加一个方法

protected function mapAdminWebRoutes()     {         Route::middleware('web')             ->prefix('admin')             ->namespace($this->namespace)             ->group(base_path('routes/admin.php'));     }

在map()方法里调用上面增加的方法

public function map()     {         $this->mapApiRoutes();         $this->mapAdminWebRoutes();//调用新增的方法         $this->mapWebRoutes();     }

在routes目录下增加一个路由文件admin.php

<?php Route::get('login','Admin\Auth\LoginController@showLoginForm')     ->middleware('guest:admin')     ->name('admin.login.show'); Route::get('/','Admin\HomeController@index')     ->name('admin.home'); Route::post('login','Admin\Auth\LoginController@postLogin')     ->middleware('guest:admin')     ->name('admin.login.post'); Route::post('logout','Admin\Auth\LoginController@postLogout')     ->middleware('auth:admin')     ->name('admin.logout');

把home.blade.php复制到resources/views/admin下

把layouts/app.blade.php复制为layouts/admin.blade.php，修改相应的地方

<ul class="nav navbar-nav navbar-right">     <!-- Authentication Links -->     @guest('admin')         <li><a href="{{ route('admin.login.show') }}">admin Login</a></li>     @else     <li class="dropdown">         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" aria-haspopup="true">             {{ Auth::guard('admin')->user()->name }} <span class="caret"></span>         </a>         <ul class="dropdown-menu">             <li>                 <a href="{{ route('admin.logout') }}"                     onclick="event.preventDefault();                     document.getElementById('logout-form').submit();">                     Logout                 </a>                 <form id="logout-form" action="{{ route('admin.logout') }}" method="POST" style="display: none;">                     {{ csrf_field() }}                 </form>             </li>         </ul>     </li>     @endguest </ul>

把login.blade.php复制到admin/Auth目录下

@extends('layouts.admin') @section('content')     <div class="container">         <div class="row">             <div class="col-md-8 col-md-offset-2">                 <div class="panel panel-default">                     <div class="panel-heading">Admin Login</div>                     <div class="panel-body">                         <form class="form-horizontal" method="POST" action="{{ route('admin.login.post') }}">                             {{ csrf_field() }}                             <div class="form-group{{ $errors->has('name') ? ' has-error' : '' }}">                                 <label for="name" class="col-md-4 control-label">E-Mail Address</label>                                 <div class="col-md-6">                                     <input id="name" type="text" class="form-control" name="name"                                            value="{{ old('name') }}" required autofocus>                                     @if ($errors->has('name'))                                         <span class="help-block">                                         <strong>{{ $errors->first('name') }}</strong>                                     </span>                                     @endif                                 </div>                             </div>                             <div class="form-group{{ $errors->has('password') ? ' has-error' : '' }}">                                 <label for="password" class="col-md-4 control-label">Password</label>                                 <div class="col-md-6">                                     <input id="password" type="password" class="form-control" name="password" required>                                     @if ($errors->has('password'))                                         <span class="help-block">                                         <strong>{{ $errors->first('password') }}</strong>                                     </span>                                     @endif                                 </div>                             </div>                             <div class="form-group">                                 <div class="col-md-8 col-md-offset-4">                                     <button type="submit" class="btn btn-primary">                                         Login                                     </button>                                 </div>                             </div>                         </form>                     </div>                 </div>             </div>         </div>     </div> @endsection

数据填充

php artisan make:seed AdminsTableSeeder

编辑AdminsTableSeeder.php

public function run()     {         \App\Admin::insert([             'name'=>'yzha5',             'password'=> bcrypt('123456')         ]);     } DatabaseSeeder.php $this->call(AdminsTableSeeder::class);

文件上传至服务器，登入服务器，执行填充命令

php artisan migrate php artisan db:seed

此时，直接打开http://xxx/admin并不会跳转到http://xxx/admin/login，因此需要处理一些异常。打开app/Exceptions/Handle.php

重写unauthenticated()方法。

use Illuminate\Support\Facades\Route; protected function unauthenticated($request, AuthenticationException $exception)     {         return starts_with(Route::currentRouteName(), 'admin')             ? redirect(route('admin.login.show'))             : parent::unauthenticated($request, $exception);     }

完善一下

以上代码，当admin登录后，再次访问/admin/login这个URI时，会自动跳转到/home这个URI，这是因为guest这个中间件默认跳转到了/home，也就是middleware目录下的RedirectIfAuthenticated.php这个文件。

解决方法为：

创建一个中单件，名为：RedirectIfAdminAuthenticated

php artisan make:middleware RedirectIfAdminAuthenticated

编辑这个文件：

<?php namespace App\Http\Middleware; use Closure; use Illuminate\Support\Facades\Auth; class RedirectIfAdminAuthenticated {     /**      * Handle an incoming request.      *      * @param $request      * @param Closure $next      * @param null $guard      * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector|mixed      */     public function handle($request, Closure $next, $guard = null)     {         if (Auth::guard($guard)->check()) {             return redirect('/admin');         }         return $next($request);     } } 在Kernel.php中添加一行 protected $routeMiddleware = [         ...         'admin.guest' => \App\Http\Middleware\RedirectIfAdminAuthenticated::class,         ...     ]; 更改admin路由，将guest:admin改为admin.guest:admin Route::get('login','Admin\Auth\LoginController@showLoginForm')     ->middleware('admin.guest:admin')     ->name('admin.login.show'); Route::post('login','Admin\Auth\LoginController@postLogin')     ->middleware('admin.guest:admin')     ->name('admin.login.post');

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