//使用 make:middleware 命令來創(chuàng)建新的中間件。php artisan make:middleware Auth

// 在 AppHttpKernel 類中...protected $routeMiddleware = [
 'auth' => AppHttpMiddlewareAuthenticate::class,
 'auth.basic' => IlluminateAuthMiddlewareAuthenticateWithBasicAuth::class,
 'bindings' => IlluminateRoutingMiddlewareSubstituteBindings::class,
 'cache.headers' => IlluminateHttpMiddlewareSetCacheHeaders::class,
 'can' => IlluminateAuthMiddlewareAuthorize::class,
 'guest' => AppHttpMiddlewareRedirectIfAuthenticated::class,
 'signed' => IlluminateRoutingMiddlewareValidateSignature::class,
 'throttle' => IlluminateRoutingMiddlewareThrottleRequests::class,
 'verified' => IlluminateAuthMiddlewareEnsureEmailIsVerified::class,];

public function handle($request, Closure $next)
 {
 	//通過判斷session是否有用戶名，判斷是否登陸
 if(!session('user')){
 return redirect('/');
 }
 return $next($request);
 }

//namespace是命名空間，也就是你的controller文件在哪個(gè)文件夾里//middleware對(duì)應(yīng)的就是你想調(diào)用的中間件，這里調(diào)用的是登錄驗(yàn)證的中間件//auth就是你在AppHttpKernel類中注冊(cè)的名字Route::group(['namespace' => 'Admin', 'middleware' => ['auth']], function () {
 //后臺(tái)首頁(yè)
 Route::get('admin','admincontroller@index')->name('admin');
 //清除緩存路由
 Route::get('admin/clear','admincontroller@clear')->name('clear');
 //欄目資源路由
 Route::resource('admin/classify','classifycontroller');
 //公告資源路由
 Route::resource('admin/notice','classifynoticecontroller');});