在mysql命令行中執行
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123456XXX');
GRANT ALL PRIVILEGES ON *.* TO 'root' @'%' IDENTIFIED BY '123456XXX' WITH GRANT OPTION;
flush privileges;
若以上方法行不通則用:
use mysql;
UPDATE user SET Password=PASSWORD('123456') where USER='root';
flush privileges;