Composer 镜像使用帮助

切换镜像指向：

composer config -g repos.packagist composer https://mirrors.tencent.com/composer/

Composer 安装简明教程：

一、下载：
wget https://mirrors.tencent.com/composer/composer.phar

二、安装：
mv composer.phar  /usr/local/bin/composer