# 下载 composer [root@web ~]# curl -sS https://getcomposer.org/installer | php # 移动 composer.phar 成为系统命令 [root@web ~]# mv composer.phar /usr/local/bin/composer # 查看 Composer 版本 [root@web ~]# composer --version # 更改阿里云 Composer 镜像 [root@web ~]# composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ # 更新 Composer [root@web ~]# composer selfupdate # Composer 安装项目需要的依赖包 [root@web ~]# composer install # Composer 安装项目指定的依赖包 [root@web ~]# composer require alibabacloud/dysmsapi-20170525 2.0.20