centos安装composer

1.下载composer

curl -sS https://getcomposer.org/installer | php

  ps:如果出现php无法运行的情况,请先把PHP加入环境变量,具体操作参考《centOS安装PHP》

2.移动或复制composer到环境下可执行

cp composer.phar /usr/local/bin/composer

3.测试看是否安装成功

composer -V

   ps:如果出现Do not run Composer as root/super user! 请切换用户运行 

centos7全局安装composer

1、全局安装：
   curl -sS https://getcomposer.org/installer | php
   mv composer.phar /usr/local/bin/composer