1.现象: [root@localhost ~]# mysql -u root -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) 2.原因:数据库中存在空用户所致 3.解决方式: 1)停用mysql服务:# service mysql stop 2)输入命令:# mysqld_safe --user=mysql --skip-grant-t…