[client]
default-character-set=utf8
port=3306
[mysql]
#网上下面这个 gbk 很多回答也是设置为utf8，结果就是乱码
default-character-set=gbk
# SERVER SECTION
# ----------------------------------------------------------------------
## The following options will be read by the MySQL Server. Make sure that
# you have installed the server correctly (see above) so it reads this 
# file.
#
[mysqld]# The TCP/IP Port the MySQL Server will listen on
port=3306
#Path to installation directory. All paths are usually resolved relative to this.
basedir="C:/Program Files/MySQL/MySQL Server 5.5/"
#Path to the database root
datadir="C:/ProgramData/MySQL/MySQL Server 5.5/Data/"
# The default character set that will be used when a new schema or table is
# created and no character set is defined
character-set-server=utf8
collation-server=utf8_general_ci
修改完毕重启mysql，查看一下编码：
mysql> show variables like 'character_set%';
+--------------------------+---------------------------------------------------------+| 
Variable_name | Value |
+--------------------------+---------------------------------------------------------+|
 character_set_client | gbk || 
character_set_connection | gbk ||
 character_set_database | utf8 || 
character_set_filesystem | binary || 
character_set_results | gbk || 
character_set_server | utf8 ||
 character_set_system | utf8 ||
 character_sets_dir | C:\Program Files\MySQL\MySQL Server 5.5\share\charsets\ |
+--------------------------+---------------------------------------------------------+
操作试试：
mysql> insert into per values('乱码解决');
Query OK, 1 row affected (0.00 sec)
mysql> select * from per;
+--------------+| 
name |
+--------------+| 
的纷纷从 ||
 乱码解决 |
+--------------+
3 rows in set (0.00 sec)