Mysql 5.7 错误号码1862 Your password has expired. To log in you must change it using a client…

解决方案：

1、进入mysql安装bin目录：执行cmd命令

mysql -u root -p
root

2、更新密码

SET PASSWORD = PASSWORD('root');

3、刷新

flush privileges;  

完成上面三个操作后，退出。用新密码重新连接即可。