mysql -u root -p的问题~

Question

mysql -u root -p
123456
出现错误提示！
Enter password: ******
ERROR 1045: Access denied for user: 'root@localhost' (Using password: YES)

C:\>;mysqladmin -u root -p 123456
Enter password: ******
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user: 'root@localhost' (Using password: YES)'

为何？如何修改？多谢大侠！

Answer 1

你的root密码不正确！

Answer 2

可是我设定的就是123456