通过mysql客户端shell连接到服务器，选择使用的数据库，输入sql代码：
select * from test_info
into outfile
‘/tmp/test.csv‘
fields terminated by ‘,‘ optionally enclosed by ‘"‘ escaped by
‘"‘
lines terminated by ‘\r\n‘;
原文：http://www.cnblogs.com/SZxiaochun/p/6027450.html