【解決】client does not support authentication
cmd視窗登陸mysql:
C:\Users\Administrator> sqlplus /nolog
mysql> conn / as sysdba;
mysql> alter user 'root'@'localhost' identified with mysql_native_password by '123456';
Query OK, 0 rows affected (0.10 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)