Mysql连接报错is not allowed to connect解决办法

参考的文档

[Mysql报错is not allowed to connect解决办法] (https://blog.csdn.net/wohiusdashi/article/details/81174302)

遇到的问题是HeiDiSql工具root用户名登录失败

解决方式

1.选择mysql数据库

use mysql;
select host from user;
update user set host ='%' where user ='root';

2、重启mysql

service mysql stop
service mysql start