curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer
安装一个blog的laravel项目
composer create-project --prefer-dist laravel/laravel blog 5.5.0
常用composer命令
查看配置
composer config --list
更新国内镜像
composer config -g repo.packagist composer https://packagist.phpcomposer.com
composer config -g repositories.packagist composer https://packagist.phpcomposer.com
查询包
composer search predis
更新下载依赖包
composer install preids 从lock中读取 如果有
composer update predis 从json中读取
composer require predis/predis=^1.1 直接命令行获取 不依赖于 composer.json
移除指定包
composer remove predis
#从composer 安装目录类执行全局移除phpunit
composer global remove phpunit/phpunit
帮助命令
composer 命令名称 --help
composer软件自身更新
composer self-update
composer的其他常用命令
composer list #查看所有命令
composer show 包名 #显示包信息
