1、打开命令窗口：mysql -uroot -p2、输入密码登录Enter password: ****3、登录成功后mysql> use mysql4、Database changed5、输入命令：mysql> update user set password=password("rootnewpass") where user="root";Query OK, 1 row affected (0.00 sec)Rows matched: 1 Changed: 1 Warnings: 06、mysql> flush privileges;Query OK, 0 rows affected (0.03 sec)7、mysql> exitBye
