一、Navicat無法鏈接
1、命令行模式下進入mysql
2、輸入命令:ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '數據庫密碼';
3、輸入命令:FLUSH PRIVILEGES;
4、navicat鏈接mysql成功
二、PHPmyadmin無法訪問
1、修改my.ini 路徑C:\ProgramData\MySQL\MySQL Server 8.0
[mysqld]
port=3306
character-set-server=utf8
default_authentication_plugin=mysql_native_password
[mysql]
default-character-set=utf8
[client]
default-character-set=utf8
2、重啓mysql80服務