laravel環境構築エラー
laravelの環境構築でエラーがは発生
laravelの環境構築のため以下の手順で各ファイル作成を行いました。
・composerをwebサイトで手動インストール（win power shellを使わず）
・win power shell（管理者権限）で「composer」コマンドをうち以下の表示を確認（インストール完了照明）
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/ ____/___ ____ ___ ____ ____ ________ _____
/ / / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
/ /___/ /_/ / / / / / / /_/ / /_/ (__ ) __/ /
\____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
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Composer version 2.3.3 2022-04-01 22:15:35
Usage:
command [options] [arguments]
Options:
-h, --help Display help for the given command. When no command is given display help for the list command
-q, --quiet Do not output any message
-V, --version Display this application version
--ansi|--no-ansi Force (or disable --no-ansi) ANSI output
-n, --no-interaction Do not ask any interactive question
--profile Display timing and memory usage information
--no-plugins Whether to disable plugins.
--no-scripts Skips the execution of all scripts defined in composer.json file.
-d, --working-dir=WORKING-DIR If specified, use the given directory as working directory.
--no-cache Prevent use of the cache
-v|vv|vvv, --verbose Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
Available commands:
about Shows a short information about Composer.
archive Creates an archive of this composer package.
browse [home] Opens the package's repository URL or homepage in your browser.
check-platform-reqs Check that platform requirements are satisfied.
clear-cache [clearcache|cc] Clears composer's internal package cache.
completion Dump the shell completion script
config Sets config options.
create-project Creates new project from a package into given directory.
depends [why] Shows which packages cause the given package to be installed.
diagnose Diagnoses the system to identify common errors.
dump-autoload [dumpautoload] Dumps the autoloader.
exec Executes a vendored binary/script.
fund Discover how to help fund the maintenance of your dependencies.
global Allows running commands in the global composer dir ($COMPOSER_HOME).
help Display help for a command
init Creates a basic composer.json file in current directory.
install [i] Installs the project dependencies from the composer.lock file if present, or falls back on the composer.json.
licenses Shows information about licenses of dependencies.
list List commands
outdated Shows a list of installed packages that have updates available, including their latest version.
prohibits [why-not] Shows which packages prevent the given package from being installed.
reinstall Uninstalls and reinstalls the given package names
remove Removes a package from the require or require-dev.
require Adds required packages to your composer.json and installs them.
run-script [run] Runs the scripts defined in composer.json.
search Searches for packages.
self-update [selfupdate] Updates composer.phar to the latest version.
show [info] Shows information about packages.
status Shows a list of locally modified packages.
suggests Shows package suggestions.
update [u|upgrade] Updates your dependencies to the latest version according to composer.json, and updates the composer.lock file.
validate Validates a composer.json and composer.lock.
・パワーシェル上で「laravel new blog」でxamppのhtdocsにblogファイルを作成完了。
・xamppでapacheを起動しブラウザからlocalhost/blog/public/にアクセス
・laravelのトップページが表示されず以下のエラーが発生
Warning: require(C:\xampp\htdocs\blog2\public/../vendor/autoload.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\blog2\public\index.php on line 34
Fatal error: Uncaught Error: Failed opening required 'C:\xampp\htdocs\blog2\public/../vendor/autoload.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\blog2\public\index.php:34 Stack trace: #0 {main} thrown in C:\xampp\htdocs\blog2\public\index.php on line 34
34行のエラー発生行を見るとautoload.phpを読み込みするような記載がありますが、
生成されたblogファイルの中にはそのようなファイルは入っていませんでした。
どうすれば解決できるか教えて頂けないでしょうか？
すみませんが、よろしくお願いいたします。
phpバージョン：8.1.3
composerバージョン：2.3.3
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