运维之道 | MySQL 设置UTF8的终极方法

MySQL 设置UTF8的终极方法

1、通过mysql查看当前字符集格式

mysql> show variables like "%char%";
+--------------------------+--------------------------------+
| Variable_name            | Value                          |
+--------------------------+--------------------------------+
| character_set_client     | latin                        |
| character_set_connection | latin                        |
| character_set_database   | latin                        |
| character_set_filesystem | binary                         |
| character_set_results    | latin                        |
| character_set_server     | utf8mb4                        |
| character_set_system     | utf8                           |
| character_sets_dir       | /usr/share/mysql-8.0/charsets/ |
+--------------------------+--------------------------------+
8 rows in set (0.01 sec)

2、退出mysql，在 /etc/my.cnf 中加入utf8相关配置

[client]
default-character-set=utf8

[mysqld]
character-set-server=utf8

[mysql]
default-character-set=utf8

3、重启mysql

[root@localhost ~]# systemctl restart mysqld

4、进入mysql进行查询重置结果

mysql> show variables like "%char%";
+--------------------------+--------------------------------+
| Variable_name            | Value                          |
+--------------------------+--------------------------------+
| character_set_client     | utf8mb4                        |
| character_set_connection | utf8mb4                        |
| character_set_database   | utf8mb4                        |
| character_set_filesystem | binary                         |
| character_set_results    | utf8mb4                        |
| character_set_server     | utf8mb4                        |
| character_set_system     | utf8                           |
| character_sets_dir       | /usr/share/mysql-8.0/charsets/ |
+--------------------------+--------------------------------+
8 rows in set (0.01 sec)

5、测试

mysql> insert into student (id,name) values (2,"运维之道");
Query OK, 1 row affected (0.01 sec)

mysql> select * from student;
+------+-----------+
| id   | name      |
+------+-----------+
|    1 | villian   |
|    2 | 运维之道    |
+------+-----------+
2 rows in set (0.00 sec)