1,檢查默認安裝的mysql的字符集

mysql> show variables like '%char%';
+--------------------------+--------------------------------------------------------+
| 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/local/mysql-5.5.23-osx10.6-x86_64/share/charsets/ |
+--------------------------+--------------------------------------------------------+
8 rows in set (0.00 sec)

character_set_database和character_set_server依然是latin1的字符集，也就是說mysql后續(xù)創(chuàng)建的表都是latin1字符集的，不是utf8，會造成一些麻煩。所以有必要修改my.cnf，在修改my.cnf之前一定要關閉mysql進程，不然會遇到mysql的sock不能連接的問題。

2，關閉mysqld后臺進程

系統(tǒng)偏好設置里面控制mysqld，避免了去找mysqld安裝位置的麻煩。

點擊 Stop MySQL Server

3，修改mysql配置文件/etc/my.cnf

sudo cp /usr/local/mysql/support-files/my-medium.cnf /etc/my.cnf

sudo vi /etc/my.cnf

[client]部分加入：

default-character-set=utf8

[mysqld]部分加入：

character-set-server=utf8

修改完畢之后再啟動mysql

4，檢查結(jié)果：

mysql> show variables like '%char%';
+--------------------------+--------------------------------------------------------+
| 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/local/mysql-5.5.23-osx10.6-x86_64/share/charsets/ |
+--------------------------+--------------------------------------------------------+
8 rows in set (0.00 sec)

修改完畢＃

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