nodejs连接mysql出现错误ER_NOT_SUPPORTED_AUTH_MODE

nodejs：v12.16.2

mysql：8.0

错误信息：query error:Error: ER_NOT_SUPPORTED_AUTH_MODE: Client does not support authentication protocol requested by server; consider upgrading MySQL client

原因：node-mysql 模块不支持mysql的加密方式

处理方式：

1、mysql -u root -p;

2、use mysql;

3、select user,host from user;

 4、ALTER USER '这里是用户名user'@'这里是主机host' IDENTIFIED WITH mysql_native_password BY '这里是登录密码';