nivicat连接新安装的Mysql8.0    Client does not support authentication protocol requested by server; consider upgrading MySQL client

1. mysql -u root -p，命令执行后，输入安装时设置的密码

2. USE mysql; 

3. ALTER USER ‘root’@’localhost’ IDENTIFIED WITH mysql_native_password BY ‘newPassword’; 

4. FLUSH PRIVILEGES;