Navicat连接Mysql报错：Client does not support authentication protocol requested by server（转载）

Navicat连接MySQL Server8.0版本时出现Client does not support authentication protocol requested  by server；解决如下：

命令如下：

1、use mysql;

2、alter user 'root'@'localhost' identified with mysql_native_password by '********';

3、flush privileges;