MySql 8.0 版本使用navicat连不上解决

1. 先通过命令行进入mysql的root账户：

2. 更改加密方式

   ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;

3. 更改密码
   

   ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';

4. 刷新
   

   FLUSH PRIVILEGES;