更改mysql配置文件

查找.ini或者.cnf文件

• 更改bind-address为0.0.0.0

[mysqld]
character-set-server=utf8mb4
bind-address=0.0.0.0
default-storage-engine=INNODB
[mysql]
default-character-set=utf8mb4
[client]
default-character-set=utf8mb4

登录mysql

mysql -u root -p

输入密码

E:\mysql-8.0.22-winx64\bin>mysql -u root -p
Enter password: ****
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 21
Server version: 8.0.22 MySQL Community Server - GPLCopyright (c) 2000, 2020, 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.

• 使用mysql

use mysql;

mysql> use mysql;
Database changed

• 查看目前mysql的用户和host

select user,host from user;

mysql> select user,host from user;
+------------------+-----------+
| user             | host      |
+------------------+-----------+
| username         | %         |
| mysql.infoschema | localhost |
| mysql.session    | localhost |
| mysql.sys        | localhost |
| root             | localhost |
+------------------+-----------+
5 rows in set (0.03 sec)

• 更改root用户的host为全部

mysql> update user set host = '%' where user = 'root';
Query OK, 1 row affected (0.02 sec)
Rows matched: 1  Changed: 1  Warnings: 0