1.查看MySQL版本
mysql> select version();
+-----------------+
| version() |
+-----------------+
| 5.7.12-0ubuntu1 |
+-----------------+
1 row in set (0.00 sec)
2.查看当前MySQL的编码，有两处为latin1编码格式
mysql> show variables like '%character%';
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)
3.修改/etc/mysql/my.conf文件，添加如下信息
[client]
default-character-set=utf8
[mysqld]
character-set-server=utf8
[mysql]
default-character-set=utf8
4.重启MySQL
sudo service mysql restart
5.在查看MySQL编码
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 | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)