一、登录MySQL查看用SHOW VARIABLES LIKE ‘character%'; 下字符集，显示如下：
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+--------------------------+----------------------------+
| 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/ |
+--------------------------+----------------------------+
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character_set_database和character_set_server的默认字符集还是latin1。
二、最简单的完美修改方法，修改mysql的my.cnf文件中的字符集键值（注意配置的字段细节）：
1、在[client]字段里加入default-character-set=utf8，如下：
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[client]
port = 3306
socket = /var/lib/mysql/mysql.sock
default-character-set=utf8
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2、在[mysqld]字段里加入character-set-server=utf8，如下：
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[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
character-set-server=utf8
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3、在[mysql]字段里加入default-character-set=utf8，如下：
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[mysql]
no-auto-rehash
default-character-set=utf8
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修改完成后，service mysql restart重启mysql服务就生效。注意：[mysqld]字段与[mysql]字段是有区别的。这点在网上没人反馈过。
使用SHOW VARIABLES LIKE ‘character%';查看，发现数据库编码全已改成utf8。
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+--------------------------+----------------------------+
| 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/ |
+--------------------------+----------------------------+
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以上这篇Linux下MySQL 5.5/5.6的修改字符集编码为UTF8的方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。