how to open certain file in controller in laravel 7 code example

Example 1: how to create controller in laravel

Simple controller:
php artisan make:controller nameOfController  
  
Want to create controller in a folder? use it like this:
php artisan make:controller NameOfFolder/nameOfController  
  
Resource Controller:This controller will create all CRUD methods
php artisan make:controller nameOfController --resource

Example 2: controller in laravel 8

Rout::get('/test' , [TestController::class , 'index']);