导出数据：
mysql> select host,user from user where host<>'localhost' into outfile '/root/aa.txt';
ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement
mysql> show variables like '%secure%';
+--------------------------+-----------------------+
| Variable_name | Value |
+--------------------------+-----------------------+
| require_secure_transport | OFF |
| secure_auth | ON |
| secure_file_priv | /var/lib/mysql-files/ |
+--------------------------+-----------------------+
3 rows in set (0.00 sec)
发现secure_auth为on，可以导出，路径为/var/lib/mysql-files/
mysql> select host,user from user where host<>'localhost' into outfile '/var/lib/mysql-files/test.txt';
Query OK, 3 rows affected (0.00 sec)
导出成功
-------------
mysql> show variables like '%char%'; //查看编码
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8mb4 |
| character_set_connection | utf8mb4 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8mb4 |
| character_set_server | utf8mb4 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
导入数据：
mysql> load data infile "/root/ccc.txt" into table loginfo;
ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement
目录为：| secure_file_priv | /var/lib/mysql-files/ |
mysql> load data infile "/var/lib/mysql-files/aaa.txt" into table loginfo;
Query OK, 10000 rows affected, 10569 warnings (0.20 sec)
Records: 10000 Deleted: 0 Skipped: 0 Warnings: 10569