mysql> show variables like "%character%";
mysql> show variables like "%collation%";
输出内容如下：
mysql> show variables like "%character%";
+--------------------------+---------------------------------------------------+
| Variable_name | Value |
+--------------------------+---------------------------------------------------+
| character_set_client | latin1 |
| character_set_connection | latin1 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | latin1 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | C:\MySQL\MySQL Server 5.0\share\charsets\ |
+--------------------------+---------------------------------------------------+
8 rows in set (0.00 sec)
mysql> show variables like "%collation%";
+----------------------+-------------------+
| Variable_name | Value |
+----------------------+-------------------+
| collation_connection | latin1_swedish_ci |
| collation_database | latin1_swedish_ci |
| collation_server | latin1_swedish_ci |
+----------------------+-------------------+
3 rows in set (0.00 sec)
进入mysql安装目录编辑，Linux下一般是 /etc/my.cnf，编辑my.ini文件，设置如下内容
[client]
default-character-set=utf8
[mysql]
default-character-set=utf8
[mysqld]
default-character-set=utf8
character_set_server=utf8
[mysql.server]
default-character-set=utf8
[mysqld_safe]
default-character-set=utf8
编辑保存文件后重启MySql服务
Windows可在服务管理器中操作，也可使用命令行：
net stop mysql 回车
net start mysql 回车
服务名可能不一定为mysql，请按自己的设置
Linux下面可以用 service mysql restart
设置后的编码如下：
mysql> show variables like "%character%";
+--------------------------+---------------------------------------------------+
| Variable_name | Value |
+--------------------------+---------------------------------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | C:\MySQL\MySQL Server 5.0\share\charsets\ |
+--------------------------+----------------------------------------------------+
8 rows in set (0.00 sec)
mysql> show variables like "%collation%";
+----------------------+-----------------+
| Variable_name | Value |
+----------------------+-----------------+
| collation_connection | utf8_general_ci |
| collation_database | utf8_general_ci |
| collation_server | utf8_general_ci |
+----------------------+-----------------+
3 rows in set (0.00 sec)
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