[Note organization] Introduction and creation of laravel HTTP middleware

Route::group(['prefix' => 'admin','namespace'=>'Admin'], function () {
Rount::get('login','IndexController@login')；
Rount::get('index','IndexController@index')；
});

Route::group(['prefix' => 'admin','namespace'=>'Admin','middleware'=>['web']], function () {
Rount::get('login','IndexController@login')；
Rount::get('index','IndexController@index')；
});

Route::get('/',function(){
session(['key'=>123]);
return view('welcome');
});

Route::get('/test',function(){
echo session('key');
return 'test';
});

Route::group(['middleware'=>['web']], function () {
Route::get('/',function(){
session(['key'=>123]);
return view('welcome');
});
Route::get('/test',function(){
echo session('key');
return 'test';
});
});

protected $routeMiddleware = [
        'auth' => \Illuminate\Auth\Middleware\Authenticate::class,
        'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
        'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class，
        'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
    ];

protected $routeMiddleware = [
        'auth' => \Illuminate\Auth\Middleware\Authenticate::class,
        'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
        'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class，
        'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
 'admin.login' => \App\Http\Middleware\AdminLogin::class,
    ];

php artisan make:middleware AdminLogin

<?php
namespace App\Http\Middleware;
use Closure
class AdminLogin
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
       echo 12344445;
        return $next($request);     
               
    }
}

Route::group(['middleware'=>['web','admin.login']，], function () {
Route::get('/',function(){
session(['key'=>123]);
return view('welcome');
});
Route::get('/test',function(){
echo session('key');
return 'test';
});
});

Route::group(['prefix' => 'admin','namespace'=>'Admin','middleware'=>'web'], function () {
Rount::get('login','IndexController@login')；//登录不需要后台管理员的超级认证
});
Route::group(['prefix' => 'admin','namespace'=>'Admin','middleware'=>'admin.login'], function () {
Rount::get('index','IndexController@index')；//超级管理员需要认证后才能进入欢迎页面和编辑页面
Rount::resource('article','ArticleController')；
});

<?php
namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
class IndexController extends Controller
{
public function index(){
return view(&#39;welcome&#39;);
}
    function login(){
session([&#39;admin&#39;=>1]); //登录信息用admin存储
     return &#39;<h1>登录<h1>&#39;
   }
}

<?php
namespace App\Http\Middleware;
use Closure
class AdminLogin
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
       echo session(&#39;admin&#39;);
        return $next($request);     
               
    }
}

<?php
namespace App\Http\Middleware;
use Closure
class AdminLogin
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        if(!session(&#39;admin&#39;)){
return redirect(&#39;admin/login&#39;); //如果没有登录跳转到登录页面
};
        return $next($request);     
               
    }
}