Navicat Premium 連接MySQL數據庫出現Authentication plugin 'caching_sha2_password' cannot be loaded的解決方案

1、運行cmd，目錄定位到MySql的安裝目錄“C:\Program Files\MySQL\MySQL Server 8.0\bin”

2、運行mysql

mysql -u root -p

3、運行如下的兩個命令

ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; 
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password'; 

4、運行如下指令刷新密碼，並更新密碼

FLUSH PRIVILEGES; 
alter user 'root'@'localhost' identified by '新密碼';

5、再次連接就可以了