php导出Excel文件简单的方法（非PHPEXCEL）

function getExcel($key,$data,$fn='export_data.xls')
{
/*start export excel*/
$tline="\r\n";
$nx="	";
header("Content-type:application/vnd.ms-excel");
header("Content-Disposition:attachment;filename=$fn");
header("Pragma: no-cache");
header("Expires: 0");
if($key)
foreach($key as $v){
echo iconv("utf-8", "gb2312", $v).$nx;
}
if($data){
foreach($data as $i){
echo  $tline;
foreach(array_keys($key) as $ik){
echo  iconv("utf-8", "gb2312", $i[$ik]).$nx;
}
}
}
/* end export excel */
exit();
}<pre name="code" class="php">//数据格式
$title=array('标题1','标题2','标题3');
$data=array(
array('tr1','tr11','tr111'),
array('tr2','tr22','tr222'),
array('tr3','tr33','tr333'),
);