[Laravel]Composerを使ったインストールとArtisan、ルーティング、コントローラの基本を解説

# composerを使ってLaravelをインストールする
composer global require laravel/installer

# composerを使ってバージョンを指定してLaravelをインストールする
composer create-project --prefer-dist laravel/laravel myApp "8.*"

% composer create-project --prefer-dist laravel/laravel myApp "8.*"
Creating a "laravel/laravel" project at "./myApp"
Info from https://repo.packagist.org: #StandWithUkraine
Installing laravel/laravel (v8.6.12)
  - Installing laravel/laravel (v8.6.12): Extracting archive
Created project in /Users/miya/Source/myApp
> @php -r "file_exists('.env') || copy('.env.example', '.env');"
Loading composer repositories with package information
Updating dependencies
Lock file operations: 107 installs, 0 updates, 0 removals
  - Locking asm89/stack-cors (v2.1.1)
  - Locking brick/math (0.11.0)
  - Locking dflydev/dot-access-data (v3.0.2)
  - Locking doctrine/inflector (2.0.8)
  - Locking doctrine/instantiator (2.0.0)
  - Locking doctrine/lexer (1.2.3)
  - Locking dragonmantank/cron-expression (v3.3.3)
  - Locking egulias/email-validator (2.1.25)
  - Locking facade/flare-client-php (1.10.0)
  - Locking facade/ignition (2.17.7)
  - Locking facade/ignition-contracts (1.0.2)
  - Locking fakerphp/faker (v1.23.0)
:
:
:
  - Installing doctrine/instantiator (2.0.0): Extracting archive
  - Installing phpunit/phpunit (9.6.13): Extracting archive
57 package suggestions were added by new dependencies, use `composer suggest` to see details.
Package fruitcake/laravel-cors is abandoned, you should avoid using it. No replacement was suggested.
Package swiftmailer/swiftmailer is abandoned, you should avoid using it. Use symfony/mailer instead.
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi
Discovered Package: facade/ignition
Discovered Package: fruitcake/laravel-cors
Discovered Package: laravel/sail
Discovered Package: laravel/sanctum
Discovered Package: laravel/tinker
Discovered Package: nesbot/carbon
Discovered Package: nunomaduro/collision
Package manifest generated successfully.
77 packages you are using are looking for funding.
Use the `composer fund` command to find out more!
> @php artisan vendor:publish --tag=laravel-assets --ansi --force
No publishable resources for tag [laravel-assets].
Publishing complete.
No security vulnerability advisories found
> @php artisan key:generate --ansi
Application key set successfully.

myApp % php artisan serve   
Starting Laravel development server: http://127.0.0.1:8000
[Mon Oct  9 04:39:12 2023] PHP 8.2.4 Development Server (http://127.0.0.1:8000) started

php artisan list

php artisan make:controller SampleController

php artisan make:model SampleModel

# playersテーブルを作成する 
php artisan make:migration create_players_table

<?php

use Illuminate\Support\Facades\Route;

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

Route::get('/', function () {
    return view('welcome');
});

Route::get('/hello', function () {
    return 'Hello, World!';
});

php artisan make:controller SampleController

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class SampleController extends Controller
{
    // 追記
    public function index() {
        // indexにアクセスがあった場合、resources/views/welcome.blade.phpを返す
        return view('welcome');
    }
}

// 追記
// /user/にアクセスされたらUserControllerのindex()の処理を実行する
Route::get('/sample', [SampleController::class, 'index']);