window环境
把mysql bin目录添加到环境变量中
执行mysql连接
mysql -u root -p
授权允许指定主机连接
GRANT ALL PRIVILEGES ON *.* TO 'root'@'LAPTOP-L6Q5NS5A' IDENTIFIED BY '密码' WITH GRANT OPTION;
授权允许任何主机连接
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '密码' WITH GRANT OPTION;
刷新权限
FLUSH PRIVILEGES;