Windows环境下通过Composer安装Laravel项目报错求助

Hey Martin, let's break down what's going wrong here and fix it step by step!

What's Causing the Errors? #

You've run into two separate issues, both tied to misusing the Composer global directory:

1. Laravel Installer Permission Error: You manually created the C:\Users\marti\AppData\Roaming\Composer\vendor\bin directory, but Windows restricts write permissions for manually created folders in the AppData system directory. Composer can't write the Laravel Installer files here.
2. create-project Config File Error: You tried to initialize a Laravel project directly inside C:\Users\marti\AppData\Roaming\Composer\vendor\bin—this directory is for global Composer tools (like the Laravel Installer), not your actual Laravel projects. Composer expects a valid project directory with a composer.json file, which doesn't exist here.

Step 1: Fix the Composer Global Bin Directory #

Let's reset the global bin directory to let Composer handle it properly:

• First, delete the manually created C:\Users\marti\AppData\Roaming\Composer\vendor\bin folder. Composer will automatically generate this folder with correct permissions later.
• Open Command Prompt as an administrator, then run this command to install the Laravel Installer globally:

  composer global require laravel/installer
  

  Composer will now create the vendor\bin directory automatically and set the right permissions for it.
• Double-check that your Windows Path environment variable still includes C:\Users\marti\AppData\Roaming\Composer\vendor\bin (you already set this earlier, so this is just a quick verification step).

Step 2: Create Your Laravel Project Correctly #

You need to create your project in a user-controlled folder (not the Composer system directory). Here's how to do it with both methods:

Using Laravel Installer #

Run this command to create a project in your desired location (replace C:\Projects\my-laravel-app with your actual preferred path):

laravel new C:\Projects\my-laravel-app

Or if you're already in your projects folder via Command Prompt, just run:

laravel new my-laravel-app

Using composer create-project #

Same idea—point the command to a user folder:

composer create-project laravel/laravel C:\Projects\my-laravel-app

Or from your projects directory:

composer create-project laravel/laravel my-laravel-app

That should get your Laravel project up and running without permission or config errors!

内容的提问来源于stack exchange，提问作者Martin Kiprotich