1）、修改数据库的编码为utf8bm4
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# vi /etc/my.cnf
[client]
default-character-set = utf8mb4
[MySQL]
default-character-set = utf8mb4
[mysqld]
character-set-client-handshake = FALSE
character_set_server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'
重启服务
systemctl restart mysqld.service
2）、修改数据表的编码为utf8bm4
mysql> ALTER DATABASE voice_reports_test CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
mysql> ALTER TABLE ZSCC_WRK_BSE_CKLCC CONVERT to CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
SHOW VARIABLES WHERE Variable_name LIKE 'character\_set\_%' OR Variable_name LIKE 'collation%';
+--------------------------+--------------------+
| 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 |
| collation_connection | utf8mb4_unicode_ci |
| collation_database | utf8mb4_unicode_ci |
| collation_server | utf8mb4_unicode_ci |
+--------------------------+--------------------+
10 rows in set (0.00 sec)
3）、修改连接数据库的连接代码