PHP mysql列表在线导出excel文件

<?php

require_once '../../config.inc.php'; //数据库配置文件

$filename=date("Y-m-d H:i:s").".xls";//先定义一个excel文件
header("Content-Type: application/vnd.ms-execl");
header("Content-Type: application/vnd.ms-excel; charset=utf-8");
header("Content-Disposition: attachment; filename=$filename");
header("Pragma: no-cache");
header("Expires: 0");

// END 配置
//链接数据库
$link = mysql_connect($dbhost,$dbuser,$dbpw);
mysql_select_db($dbname);
//选择编码
mysql_query("set names ".$charset);

//我们先在excel输出表头，当然这不是必须的
echo iconv("utf-8", "gb2312", "编号")."\t";
echo iconv("utf-8", "gb2312", "关键词")."\t";
echo iconv("utf-8", "gb2312", "来源")."\t";
echo iconv("utf-8", "gb2312", "添加时间")."\t";
echo iconv("utf-8", "gb2312", "IP地址")."\t";
echo iconv("utf-8", "gb2312", "归属地")."\t";
echo iconv("utf-8", "gb2312", "客户端")."\n";
//输出表中记录

$btime = $_POST['btime'];
$etime = $_POST['etime'];
if(!empty($btime) && !empty($etime)){

$b_time = strtotime($btime);
$e_time = strtotime($etime);
$where = " where addtime between $b_time and $e_time ";
}else{
$where = '';
}

$query=mysql_query("SELECT * FROM `chat_talk` ".$where." order by `tid` desc");
if($query){
while($row=mysql_fetch_array($query)){
echo iconv("utf-8", "gb2312", $row['tid'])."\t";
echo iconv("utf-8", "gb2312", $row['keyword'])."\t";
echo iconv("utf-8", "gb2312", $sorce)."\t";
echo iconv("utf-8", "gb2312", date('Y-m-d H:i:s', $row['addtime']))."\t";
echo iconv("utf-8", "gb2312", $row['ip'])."\t";
echo iconv("utf-8", "gb2312", $row['area'])."\t";
echo iconv("utf-8", "gb2312", $row['display'])."\n";
}
}

?>