1.安装Composer
https://www.runoob.com/w3cnote/composer-install-and-usage.html
$ curl -sS https://getcomposer.org/installer | php
$ sudo mv composer.phar /usr/local/bin/composer
$ composer --version
镜像地址
更换成阿里镜像:composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
更换成Laravel China镜像: composer config -g repo.packagist composer https://packagist.laravel-china.org
更换成中国全量镜像:composer config -g repo.packagist composer https://packagist.phpcomposer.com
2.Laravel项目
https://learnku.com/docs/laravel/6.x/installation/5124#52027b
项目名称为blog Laravel版本为6.*
composer create-project --prefer-dist laravel/laravel blog "6.*"