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Linux下mysql中文乱码问题

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Release: 2016-06-07 16:19:14
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安装完的MySQL的默认字符集为 latin1 ,为了要将其字符集改为用户所需要的(比如utf8),就必须改其相关的配置文件;由于linux下MySQL的默认安装目录分布在不同的文件下;不像windows一样放在同一目录下,只需修改其中的my.ini文件,重起后就生效了;所以先来

  安装完的MySQL的默认字符集为 latin1 ,为了要将其字符集改为用户所需要的(比如utf8),就必须改其相关的配置文件;由于linux下MySQL的默认安装目录分布在不同的文件下;不像windows一样放在同一目录下,只需修改其中的my.ini文件,重起后就生效了;所以先来看看linux下MySQL的数据库文件、配置文件和命令文件分别在不同的目录 : 

1、数据库目录,其所创建的数据库文件都在该目录下 
/var/lib/mysql/ 

2、配置文件 (mysql.server命令及配置文件所在地) 
/usr/share/mysql 

3、相关命令(如mysql mysqladmin等) 
/usr/bin 
4、启动脚本(如mysql启动命令) 
/etc/rc.d/init.d/ 

查看默认字符集 
#mysql -u root - p 
#(输入密码) 
mysql> show variables like 'character_set%';
+--------------------------+----------------------------+ 
| 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 | /usr/share/mysql/charsets/ | 
+--------------------------+----------------------------+ 

修改字符集 修改 /etc/my.cnf文件

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#/etc/my.cnf

 

[client]

default-character-set=utf8

 

[mysqld]

datadir=/var/lib/mysql

socket=/var/lib/mysql/mysql.sock

user=mysql

# Disabling symbolic-links is recommended to prevent assorted security risks

symbolic-links=0

#default-character-set=utf8

character-set-server=utf8

init_connect='SET NAMES utf8'

 

[mysql]

no-auto-rehash

default-character-set=utf8

 

[mysqld_safe]

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid


切记:在mysqld中加入的是 character-set-server=utf8 而不是 default-character-set=utf8 
否则会报:Starting MySQL...The server quit without updating PID file [失败]lib/mysql/localhost.localdomain.pid).异常

重起MySQL服务器,使其设置的内容生效 
#/etc/init.d/mysql restart 

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