mysql 字符集都为 utf8,但是程序中查询到的数据中文乱码

mysql> show variables like '%chara%';
+--------------------------+----------------------------+
| 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/ | +--------------------------+----------------------------+
8 rows in set (0.00 sec)

mysql> show global variables like '%chara%';
+--------------------------+----------------------------+
| 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/ | +--------------------------+----------------------------+ 8 rows in set (0.00 sec)

在服务器里面的命令行查询数据没有问题，但是在程序中查询的数据中文乱码。 麻烦 v 友帮忙看看。