mysql5.7.13环境搭建教程（解压缩版）

 # For advice on how to change settings please see
 # http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
 # *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
 # *** default location during install, and will be replaced if you
 # *** upgrade to a newer version of MySQL.
 [mysqld]

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
basedir = C:\mysql
datadir = C:\mysql\data
# port = .....
# server_id = .....


# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 

 mysql> update mysql.user set password=PASSWORD（'新密码'） where User='root'
mysql> flush privileges；
mysql> quit