修改数据库密码

cd到数据库bin路径下

mysql.exe -u root -p

登录成功

ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';

再打开一个cmd重新登陆

mysql.exe -u root -p

登录成功开启外部访问数据库

回到上层路径找到my.ini

将内容bind-address行注释掉或者改成0.0.0.0

不存在则跳过

#bind-address = 127.0.0.1
bind-address = 0.0.0.0

登录数据库，将root用户对应的host地址修改成%

use mysql
update user set host = '%' where user = 'root';
flush privileges;

赋权

GRANT ALL ON *.* TO `root`@`%` WITH GRANT OPTION;
flush privileges;

 工具连接，发现报错

 修改mysql认证方式为mysql_native_password

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
FLUSH PRIVILEGES;

 再次测试连接，连接成功