[client]
port=3306
default-character-set=utf8

[mysqld] 
# 设置为MYSQL的安装目录 
basedir=D:/dbs/mysql/mysql-5.6.25-winx64
# 设置为MYSQL的数据目录 
datadir=D:/dbs/mysql/mysql-5.6.25-winx64/data
port=3306
character_set_server=utf8
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

c:>mysql –uroot

mysql>show databases; 

mysql>use mysql;

mysql>UPDATE user SET password=PASSWORD("123456") WHERE user=‘root‘;

mysql>FLUSH PRIVILEGES; 【注意一定不要遗忘这句话，否则密码更改不能生效】

mysql>QUIT