Composer的简单使用

查看版本

composer --version

修改镜像(全局配置)

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/

更新

composer slef-update

创建composer.json文件

composer init
Package name (<vendor>/<name>) [xiaomi/www]:
Description []:
Author [wenxk <1123936495@qq.com>, n to skip]:
Minimum Stability []:
Package Type (e.g. library, project, metapackage, composer-plugin) []:
License []:
Would you like to define your dependencies (require) interactively [yes]?

安装composer.json里的包

composer install

下载指定版本

composer require laravel/laravel:9.0
// 或者
composer require laravel/laravel "^0.4"

波浪号版本范围(~)

~1.2.3 相当于>=1.2.3<1.3.0

插入符号版本范围(^)

^1.2.3 相当于>1.2.3<2.0.0