需要先安装brew
更新brew
brew update安装MariaDB
brew install MariaDB启动服务、停止服务、查看运行状态
brew services start mariadb
brew services stop mariadb
brew services info mariadb登录MariaDB（密码为电脑开机密码）
mysql -uroot -p将root的密码设为root
grant all privileges on *.* to root@localhost identified by 'root';