尝试一下:

mysql -u root -h 127.0.0.1 -p
Enter password: (enter the random password here)

参考: https://dev.mysql.com/doc /refman/5.7/en/data-directory-initialization-mysqld.html

在此之后，您可以使用 ALTER USER 'root'@'localhost' IDENTIFIED BY 'new-password';

Following this, you may reset your password using ALTER USER 'root'@'localhost' IDENTIFIED BY 'new-password';