function doExport( $path ) {
$extenson = pathinfo( $path, PATHINFO_EXTENSION );
//获取文件后缀
$outFilename = 'export.'.$extenson;
//下载的文件名
header('Accept-Ranges: bytes');
//断点（服务器告诉客户端支持断点、如果网络中断则不需要重新下载）
header('Accept-Length: ' . filesize( $path ));
//告诉浏览器，文件大小
header("Content-Type:application/force-download");
header('Content-Type: application/octet-stream');
//内容类型，二进制流，不知道下载文件类型（zip\csv）
header('Content-Disposition: attachment; filename=' . $outFilename);
//下载的文件名
header('Content-Transfer-Encoding: binary');
//告诉浏览器，这是二进制文件
@readfile( $path );
exit;
}
$pathFile = 'X:\mysoft\myServer\www\localhost\data\123.xlsx';
$pathFile = 'X:\mysoft\myServer\www\localhost\data\123.csv';
$pathFile = 'X:\mysoft\myServer\www\localhost\data\123.zip';
$pathFile = 'X:\mysoft\myServer\www\localhost\data\123.rtf';
$pathFile = 'X:\mysoft\myServer\www\localhost\data\123.docx';
doExport( $pathFile );