``` 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 update 更新所有包 composer update topthink/framework 更新指定包 composer remove topthink/framework 移除指定的包 composer require topthink/framework 添加指定包 ```