//安装composer php -r "copy(‘https://install.phpcomposer.com/installer‘, ‘composer-setup.php‘);" php composer-setup.php sudo mv composer.phar /usr/local/bin/composer //切换中国镜像 composer config -g repo.packagist composer https://packagist.phpcomposer.com //更新composer composer selfupdate
原文：https://www.cnblogs.com/ccs-mxs/p/8876194.html