mysql数据库的字符编码设置

对于mysql数据库来讲编码是一个比较重要的参数了,特别在以前低版本的mysql中,如果编码未设置好中文就会是乱码了,下面我给各位整理了一篇关于mysql数据库的字符编码设置教程供各位参考.

默认登录mysql之后show variables like ‘%character%’,出现:

1. mysql》 show variables like ‘%character%’; 
2. +--------------------------+----------------------------+ 
3. | Variable_name | Value |  --Vevb.com 
4. +--------------------------+----------------------------+ 
5. | character_set_client | latin1 | 
6. | character_set_connection | latin1 | 
7. | character_set_database | latin1 | 
8. | character_set_filesystem | binary | 
9. | character_set_results | latin1 | 
10. | character_set_server | latin1 | 
11. | character_set_system | utf8 | 
12. | character_sets_dir | /usr/share/mysql/charsets/ | 
13. +--------------------------+----------------------------+ 

1. 找到mysql的配置文件,拷贝到etc目录下,第一步很重要,使用find命令查找cnf文件,记得不要去找my.cnf因为它不一定存在,而应该找*.cnf.

1. [root@linuxserver classes] find / -iname *.cnf -print 
2. /usr/share/doc/mysql-server-4.1.12/my-medium.cnf 
3. /usr/share/doc/mysql-server-4.1.12/my-huge.cnf 
4. /usr/share/doc/mysql-server-4.1.12/my-innodb-heavy-4G.cnf 
5. /usr/share/doc/mysql-server-4.1.12/my-large.cnf 
6. /usr/share/doc/mysql-server-4.1.12/my-small.cnf 
7. /usr/share/texmf/web2c/mktex.cnf 
8. /usr/share/texmf/web2c/texmf.cnf 
9. /usr/share/texmf/web2c/fmtutil.cnf 
10. /usr/share/texmf/tex/jadetex/jadefmtutil.cnf 
11. /usr/share/ssl/openssl.cnf 

找到之后,复制一个出来:

cp /usr/share/doc/mysql-server-4.1.12/my-large.cnf /etc/my.cnf

2.打开my.cnf修改编码:

vi /etc/my.cnf

在[client]下增加default-character-set=utf8,在[mysqld]下增加default-character-set=utf8,同时加上init_connect=‘SET NAMES utf8’(设定连接mysql数据库时使用utf8编码,以让mysql数据库为utf8运行)

重新启动mysql，执行：sudo /etc/init.d/mysql stop 然后sudo /etc/init.d/mysql start.

1. mysql》 show variables like ‘%character%’; 
2. +--------------------------+----------------------------+ 
3. | Variable_name | Value | 
4. +--------------------------+----------------------------+ 
5. | character_set_client | utf8 |  --Vevb.com 
6. | character_set_connection | utf8 | 
7. | character_set_database | utf8 | 
8. | character_set_filesystem | binary | 
9. | character_set_results | utf8 | 
10. | character_set_server | utf8 | 
11. | character_set_system | utf8 | 
12. | character_sets_dir | /usr/share/mysql/charsets/ | 
13. +--------------------------+----------------------------+ 

即使做了以上修改如果直接数据库再创建表,然后存入中文,取出来的会是问号,解决的办法是.

创建数据库的时候指明默认字符集为utf8,如:

create database test default character set utf8;