MySQL 8.0密碼重置及客戶端提示 caching-sha2-password

 ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; #修改加密規則 
 ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password'; #更新一下用戶的密碼 
 FLUSH PRIVILEGES; #刷新權限