1、mysql -u root -p
2、grant all privileges on *.* to 'root'@'%' identified by '123456' with grant option;
flush privileges;
3、打开/usr/local/Cellar/mysql/5.7.16/下的homebrew.mxcl.mysql.plist文件，去掉
--bind-address=127.0.0.1
或0.0.0.0
4、brew services stop mysql
brew services start mysql