mysql 1045

远程无法连接mysql 

解决方法：

　　1、在服务器登录数据

mysql -uroot -hlocalhost -P3306 -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 12
Server version: 5.6.39 MySQL Community Server (GPL)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

　　2、选择mysql数据库

mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

　　3、更新root密码

mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';
Query OK, 4 rows affected (0.01 sec)
Rows matched: 5  Changed: 4  Warnings: 0

　　4、刷新权限

mysql> FLUSH PRIVILEGES; 
Query OK, 0 rows affected (0.00 sec)