本篇文章主要介绍php原生导出excel文件的两种方法，感兴趣的朋友参考下，希望对大家有所帮助。
第一种方法：
$filename='文件名称';
$filetitle='你的标题';
if($_POST){
set_time_limit(10000)；
$title = '';
ini_set('memory_limit','300M');
header('Content-Type: application/vnd.ms-excel;charset=utf-8');
$name = $title.".xls";
header('Content-Disposition: attachment;filename='.$name.'');
header('Cache-Control: max-age=0');
$where = "1=1";
$sql = "";
$query = DB::Query($sql);
// PHP文件句柄，php://output 表示直接输出到浏览器
$fp = fopen('php://output', 'a');
// 输出Excel列头信息
$head = array('ID');
//字符替换
$p_new_lines = array("\r\n", "\n","\t","\r","\r\n", "<pre>","</pre>","<br>","</br>","<br/>");
$p_change_line_in_excel_cell = '';
foreach($head as $v){
echo iconv('utf-8','gb2312',$v) . "\t";
}
echo "\n";
// 计数器
$cnt = 0;
// 每隔$limit行，刷新一下输出buffer，节约资源
$limit = 100000;
// 逐行取出数据，节约内存
while ($res = mysql_fetch_assoc($query)) {
$cnt ++;
if ($limit == $cnt) { //刷新一下输出buffer，防止由于数据过多造成问题
ob_flush();
flush();
$cnt = 0;
}
echo trim($res['id']). "\t";
echo "\n";
}
}
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第二种方法：
$filename='文件名称';
$filetitle='你的标题';
if($_POST){
$title = '';
ini_set('memory_limit','300M');
header('Content-Type: application/vnd.ms-excel;charset=utf-8');
$name = $title.".xls";
header('Content-Disposition: attachment;filename='.$name.'');
header('Cache-Control: max-age=0');
echo '<html xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="expires" content="Mon, 06 Jan 1999 00:00:01 GMT">
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
<!--[if gte mso 9]><xml>
<x:ExcelWorkbook>
<x:ExcelWorksheets>
<x:ExcelWorksheet>
<x:Name></x:Name>
<x:WorksheetOptions>
<x:DisplayGridlines/>
</x:WorksheetOptions>
</x:ExcelWorksheet>
</x:ExcelWorksheets>
</x:ExcelWorkbook>
</xml><![endif]-->
</head>';
$where = "1=1";
$sql = " ";
mysql_query('set names "utf8"');
mysql_set_charset('utf8');
$query = DB::Query($sql);
// PHP文件句柄，php://output 表示直接输出到浏览器
$fp = fopen('php://output', 'a');
// 输出Excel列头信息
$head = array('ID','xxx');
//字符替换
$p_new_lines = array("\r\n", "\n","\t","\r","\r\n", "<pre>","</pre>","<br>","</br>","<br/>");
$p_change_line_in_excel_cell = '';
echo "<table>";
echo "<tr>";
foreach($head as $v){
echo "<td>".iconv('utf-8','gb2312',$v)."</td>";
}
echo "</tr>";
// 逐行取出数据，节约内存
while ($res = mysql_fetch_assoc($query)) {
echo "<tr>";
echo "<td style='vnd.ms-excel.numberformat:@'>".$res['id']."</td>";
echo "<td>".iconv('utf-8', 'gb2312', $res['xxx']."</td>";
echo"</tr>";
}
echo "</table>";
}
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