设置mysql密码: mysql use mysql; UPDATE user SET password=PASSWORD('123456') WHERE user='root'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'127.0.0.1' IDENTIFIED BY '123456' WITH GRANT OPTION; FLUSH PRIVILEGES; GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '123456' WITH GRANT OPTION; FLUSH PRIVILEGES; grant all privileges on *.* to 'root'@'%' identified by '123456'; quit