Client does not support authentication protocol requested by server; consider upgrading MySQL client

问题：链接mysql报出以下错误：
Client does not support authentication protocol requested by server; consider upgrading MySQL client

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网上找到命令即可解决。
1、切换到mysql数据库
user mysql

2、修改用户密码：
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';

root:用户名 localhost：127.0.0.1（本机）mysql_native_password：旧密码验证机制

3.flush privileges;
mysql设置用户或更改密码后用flush privilege刷新mysql的系统权限相关表，不然会拒绝访问。即重启mysql服务器，使得新修改或添加设置生效。

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解决啦：

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