一.linux环境下安装 * * * * * 1.下载composer.phar * * * * * [root#localhost Downloads]# curl -sS https://getcomposer.org/installer | php * * * * * 2.把composer.phar移动到环境下让其变成可执行 * * * * * [root@localhost Downloads]# mv composer.phar /usr/local/bin/composer * * * * * 3.测试 * * * * * [root@localhost opt]# composer -V Composer version 1.0-dev (d6d0435c5437111e42a123b06e4071e26ba7cb6e) 2016-02-14 19:51:23 二.windows环境下安装 * * * * *