Mysql8.0不支持grant all privileges on *.* to root@“%“ identified by “.“；

MySQL 8.0已经不支持下面这种命令写法
grant all privileges on . to root@"%" identified by “.”;

正确的写法是先创建用户
CREATE USER ‘root’@’%’ IDENTIFIED BY ‘Hadoop3!’;

//刷新
flush privileges；

再给用户授权
grant all privileges on . to ‘root’@’%’ ;