# These are commonly set, remove the # and set as required.
basedir = D:\mysql5.7（mysql安装目录）
datadir = D:\mysql5.7\data（mysq中数据的保存目录，自己定）
port = 3306（mysq的端口号）
# server_id = .....

D:\mysql5.7\bin>mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.13 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective

mysql> set password=password('你自己的密码');
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql>

mysql> GRANT ALL PRIVILEGES ON . TO ‘root'@'%' IDENTIFIED BY ‘密码' WITH GRANT OPTION; 
mysql> flush privileges;