我有一个数据文件的编码是iso\u 1，我把它改成了utf8：

file -i test.txt:
... text/plain; charset=utf-8

mysql字符集为：

| 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/

我的问题是：为什么汉字还是乱码？

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