$time = time();
  $filename = date("Y年m月d日h点m分s秒", $time).\'问卷数据\';
  $rows =  Sp_Looks_Vote::downvote();
  $file = $filename.".csv";
  header(\'Content-Description: File Transfer\');
  header(\'Content-Type: application/octet-stream\');  
  header(\'Content-Disposition: attachment; filename=\'.basename($file));
  header(\'Content-Transfer-Encoding: binary\');
  header(\'Expires: 0\');
  header(\'Cache-Control: must-revalidate, post-check=0, pre-check=0\');
  header(\'Pragma: public\');

$tabletitle .= "购买地址,常常购买,喜欢模特,内容如何,印象如何,是否购买,感觉如何,购买方式,购买方式建议,吸引点,改进建议";

   $conter = iconv(\'utf-8\',\'gbk\',$tabletitle)."\n";

echo $conter;die;

顺便把简单导出word文档的代码贴到这里：

<?php       
  header("Content-Type:   application/msword");       
  header("Content-Disposition:   attachment;   filename=doc.doc");       
  header("Pragma:   no-cache");       
  header("Expires:   0");       
 
  $output    =   \'<table border="1" cellspacing="2" cellpadding="2"  width="90%" align="center">\';       
  $output   .=   \'<tr bgcolor="#cccccc"><td   align="center">图片</td></tr>\';       
  $output   .=   \'<tr bgcolor="#f6f7fa"><td><span style="color:#FF0000;"><strong>下面是一张图片</strong></span& gt;</td></tr>\';       
  $output   .=   \'<tr><td align="center"><img src="http://zi.csdn.net/48260_2.gif"></td></tr>\';       
  $output   .=   \'</table>\'; 
 
 
  echo   $output;       
  ?>