Composer详解

• composer 安装最新版本：

国外：https://getcomposer.org
国内：https://getcomposer.org

• 全局配置阿里云镜像

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

• 取消阿里云镜像

& composer config -g --unset repos.packagist

• 仅当前项目使用阿里云镜像

& composer config repo.packagist composer https://mirrors.aliyun.com/composer/

• 取消当前项目下的阿里云镜像

& composer config --unset repos.packagist

• 升级版本

& composer self-update

• 执行诊断命令

& composer diagnose

• 清除缓存

& composer clear

• 项目之前通过其他源安装，需要更新 composer.lock

& composer update --lock

常用命令

composer list 显示所有命令

composer show 显示所有包信息

composer install 在 composer.json 配置中添加依赖库之后运行此命令安装

composer create-project laravel/laravel Laravel –prefer-dist “5.1.*” 创建项目

composer search packagename 搜索包

composer update 更新所有包

composer update monolog/monolog 更新指定包

composer remove monolog/monolog 移除指定的包

composer require monolog/monolog 添加指定包

composer require monolog/monolog:1.19 添加指定包和版本

composer require monolog/monolog=1.19

composer require monolog/monolog 1.19