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Laravel“新项目”安装了一堆应用程序

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我是Laravel的全新人物 . 我使用Vagrant和虚拟机，所以我在那里安装了composer a和laravel安装程序 . 当我每次看到它还安装了许多其他应用程序时创建新项目 . 它说

制作应用程序...使用包信息加载composer存储库从锁定文件安装依赖项（包括require-dev）包操作：70次安装，0次更新，0次删除

然后列出它安装的应用程序列表

- Installing doctrine/inflector (v1.3.0): Loading from cache
  - Installing doctrine/lexer (v1.0.1): Loading from cache
  - Installing dragonmantank/cron-expression (v2.0.0): Loading from cache
  - Installing erusev/parsedown (1.7.1): Loading from cache
  - Installing vlucas/phpdotenv (v2.4.0): Loading from cache
  - Installing symfony/css-selector (v4.0.6): Loading from cache
  - Installing tijsverkoyen/css-to-inline-styles (2.2.1): Loading from cache
  - Installing symfony/polyfill-php72 (v1.7.0): Loading from cache
  - Installing symfony/polyfill-mbstring (v1.7.0): Loading from cache
  - Installing symfony/var-dumper (v4.0.6): Loading from cache
  - Installing symfony/routing (v4.0.6): Loading from cache
  - Installing symfony/process (v4.0.6): Loading from cache
  - Installing symfony/http-foundation (v4.0.6): Loading from cache
  - Installing symfony/event-dispatcher (v4.0.6): Loading from cache
  - Installing psr/log (1.0.2): Loading from cache
  - Installing symfony/debug (v4.0.6): Loading from cache
  - Installing symfony/http-kernel (v4.0.6): Loading from cache
  - Installing symfony/finder (v4.0.6): Loading from cache
  - Installing symfony/console (v4.0.6): Loading from cache
  - Installing egulias/email-validator (2.1.3): Loading from cache
  - Installing swiftmailer/swiftmailer (v6.0.2): Loading from cache
  - Installing paragonie/random_compat (v2.0.11): Loading from cache
  - Installing ramsey/uuid (3.7.3): Loading from cache
  - Installing psr/simple-cache (1.0.1): Loading from cache
  - Installing psr/container (1.0.0): Loading from cache
  - Installing symfony/translation (v4.0.6): Loading from cache
  - Installing nesbot/carbon (1.25.0): Loading from cache
  - Installing monolog/monolog (1.23.0): Loading from cache
  - Installing league/flysystem (1.0.43): Loading from cache
  - Installing laravel/framework (v5.6.14): Downloading (100%)
  - Installing fideloper/proxy (4.0.0): Loading from cache
  - Installing jakub-onderka/php-console-color (0.1): Loading from cache
  - Installing nikic/php-parser (v3.1.5): Loading from cache

等等没问题，或者我做错了什么？我用命令

laravel new exampleProject

php laravel vagrant

1 回答

  • 0

    您没有做错任何事情，这是安装Laravel项目依赖项时的预期行为 .

    事情是composer不仅安装了该项目 composer.json 中列出的依赖项，而且还依次安装了依赖项的依赖项等 .

    例如，Laravel应用程序 composer 文件需要以下依赖项：

    "require": {
    "php": "^7.1.3",
    "fideloper/proxy": "^4.0",
    "laravel/framework": "5.6.*",
    "laravel/tinker": "^1.0"
}

    但是作曲家必须确保你还拥有运行这些所需的所有依赖关系，因此它会查看各自的 composer.json 文件，例如 laravel/framework 文件，其中包含：

    "require": {
    "php": "^7.1.3",
    "ext-mbstring": "*",
    "ext-openssl": "*",
    "doctrine/inflector": "~1.1",
    "dragonmantank/cron-expression": "~2.0",
    "erusev/parsedown": "~1.7",
    "league/flysystem": "^1.0.8",
    "monolog/monolog": "~1.12",
    "nesbot/carbon": "^1.24.1",
    "psr/container": "~1.0",
    "psr/simple-cache": "^1.0",
    "ramsey/uuid": "^3.7",
    "swiftmailer/swiftmailer": "~6.0",
    "symfony/console": "~4.0",
    "symfony/debug": "~4.0",
    "symfony/finder": "~4.0",
    "symfony/http-foundation": "~4.0",
    "symfony/http-kernel": "~4.0",
    "symfony/process": "~4.0",
    "symfony/routing": "~4.0",
    "symfony/var-dumper": "~4.0",
    "tijsverkoyen/css-to-inline-styles": "^2.2.1",
    "vlucas/phpdotenv": "~2.2"
}

    它安装它们等等，直到它完成了每一个依赖 .

    您可以想象这可以快速加起来，一旦安装，项目中的每个依赖项都列在 composer.lock 文件中，如果您想要检查它们 .

    这就是为什么你安装了比你想象的更多的依赖项 .

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