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1、通过 show variables like '%char%';查看MySQL字符集情况

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/share/mysql/charsets/ |
+--------------------------+----------------------------+

2、修改mysql配置文件

#备份配置文件
sudo cp /etc/mysql/mysql.conf.d/mysqld.cnf /etc/mysql/mysql.conf.d/mysqld.cnf_2
sudo vim  /etc/mysql/mysql.conf.d/mysqld.cnf
# 修改处1：添加以下2行
[client]
default-character-set=utf8

[mysqld]
# 修改处2：添加以下3行
default-storage-engine=INNODB
character-set-server=utf8
collation-server=utf8_general_ci

3、重启mysql
service mysql restart

4、查看字符集
mysql -uroot -p

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/share/mysql/charsets/ |
+--------------------------+----------------------------+

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作者：zheng_lan_fang
来源：CSDN
原文：https://blog.csdn.net/zheng_lan_fang/article/details/77941232
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