1.在mysql.ini的[mysqld]下添加“skip-grant-tables”
命令行：“mysqld --defaults-file="D:\mysql-8.0.19-winx64\mysql-8.0.19-winx64\mysql.ini" --console --skip-grant-tables”
2.重启，跳过登录
3.更改密码
MySql：报错： Access denied for user 'root'@'localhost' (using password: YES)
原文：https://www.cnblogs.com/yananhome/p/13677335.html