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<?php

namespace App\Http;

use Illuminate\Foundation\Http\Kernel as HttpKernel;

class Kernel extends HttpKernel
{
 /**
  * The application's global HTTP middleware stack.
  *
  * These middleware are run during every request to your application.
  *
  * @var array
  */
 protected $middleware = [
  \App\Http\Middleware\CheckForMaintenanceMode::class,
  \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
  \App\Http\Middleware\TrimStrings::class,
  \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
  \App\Http\Middleware\TrustProxies::class,
  \App\Http\Middleware\EnableCross::class,
 ];

 /**
  * The application's route middleware groups.
  *
  * @var array
  */
 protected $middlewareGroups = [
  'web' => [
   \App\Http\Middleware\EncryptCookies::class,
   \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
   \Illuminate\Session\Middleware\StartSession::class,
   // \Illuminate\Session\Middleware\AuthenticateSession::class,
   \Illuminate\View\Middleware\ShareErrorsFromSession::class,
   \App\Http\Middleware\VerifyCsrfToken::class,
   \Illuminate\Routing\Middleware\SubstituteBindings::class,
  ],
  'api' => [
//   'throttle:300,1',
   'bindings',
  ],
  'web_api' => [
//   'throttle:300,1',
   'bindings',
   'check_token'
  ],
  'admin_api' => [
//   'throttle:300,1',
   'bindings',
   'admin'
  ],
 ];

 /**
  * The application's route middleware.
  *
  * These middleware may be assigned to groups or used individually.
  *
  * @var array
  */
 protected $routeMiddleware = [
  'auth' => \Illuminate\Auth\Middleware\Authenticate::class,
  'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
  'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
  'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
  'can' => \Illuminate\Auth\Middleware\Authorize::class,
  'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
  'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,
  'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
  'check_token' => \App\Http\Middleware\CheckToken::class,
 ];
}

<?php

namespace Illuminate\Foundation\Http;

use Exception;
use Throwable;
use Illuminate\Routing\Router;
use Illuminate\Routing\Pipeline;
use Illuminate\Support\Facades\Facade;
use Illuminate\Contracts\Debug\ExceptionHandler;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Contracts\Http\Kernel as KernelContract;
use Symfony\Component\Debug\Exception\FatalThrowableError;

class Kernel implements KernelContract
{
 /**
  * The application implementation.
  *
  * @var \Illuminate\Contracts\Foundation\Application
  */
 protected $app;

 /**
  * The router instance.
  *
  * @var \Illuminate\Routing\Router
  */
 protected $router;

 /**
  * The bootstrap classes for the application.
  * 引导类，起引导作用的类
  * 这些类里面基本上都有一个 bootstrap(Application $app) 方法，
  * 从不同的角度 bootstrap 应用。为最终 boot() 最准备。
  * 注意：这些事做不完，不能接受请求，或许连$request都无法正确生成。
  * @var array
  */
 protected $bootstrappers = [
  // 载入服务器环境变量（.env 文件？）
  \Illuminate\Foundation\Bootstrap\LoadEnvironmentVariables::class,
  // 载入配置信息（config 目录？）
  \Illuminate\Foundation\Bootstrap\LoadConfiguration::class,
  // 配置如何处理异常
  \Illuminate\Foundation\Bootstrap\HandleExceptions::class,
  // 注册 Facades
  \Illuminate\Foundation\Bootstrap\RegisterFacades::class,
  // 注册 Providers
  \Illuminate\Foundation\Bootstrap\RegisterProviders::class,
  // 启动 Providers
  \Illuminate\Foundation\Bootstrap\BootProviders::class,
 ];

 /**
  * The application's middleware stack.
  *
  * @var array
  */
 protected $middleware = [];

 /**
  * The application's route middleware groups.
  *
  * @var array
  */
 protected $middlewareGroups = [];

 /**
  * The application's route middleware.
  *
  * @var array
  */
 protected $routeMiddleware = [];