Ubuntu MySql 数据库编码设置
在mysql中默认字符集是latin1，
想要设置字符集为uft-8，可以在 my.cnf 文件中添加以下设置：
执行：
+--------------------------+----------------------------+| 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/ |+--------------------------+----------------------------+
