如何在某个目录中检索不同的文件扩展名。比方说，我有一个名为"downloads/"的文件夹，文件夹中有不同类型的文件，如PDF、JPEG、DOC文件等。因此，在我的PHP代码中，我希望检索这些文件，并列出文件名和文件扩展名。示例：在"下载/"文件夹中是不同的文件
downloads/
- My Poem.doc
- My Photographs.jpg
- My Research.pdf
所以我想查看那些我可以得到文件名、文件扩展名和文件目录的文件。所以在视图中会有类似于的东西
Title: My Poem
Type: Document
Link: [url here]
Title: My Photographs
Type: Image
Link: [url here]
Title: My Research
Type: PDF
Link: [url here]
有人知道如何在php中做到这一点吗？非常感谢！
这很简单。老实说，我不知道你为什么不在php.net上搜索。他们有很多这样的例子。在这里查看：点击
示例：
<?php
function process_dir($dir,$recursive = FALSE) {
if (is_dir($dir)) {
for ($list = array(),$handle = opendir($dir); (FALSE !== ($file = readdir($handle)));) {
if (($file != '.' && $file != '..') && (file_exists($path = $dir.'/'.$file))) {
if (is_dir($path) && ($recursive)) {
$list = array_merge($list, process_dir($path, TRUE));
} else {
$entry = array('filename' => $file, 'dirpath' => $dir);
//---------------------------------------------------------//
// - SECTION 1 - //
// Actions to be performed on ALL ITEMS //
//----------------- Begin Editable ------------------//
$entry['modtime'] = filemtime($path);
//----------------- End Editable ------------------//
do if (!is_dir($path)) {
//---------------------------------------------------------//
// - SECTION 2 - //
// Actions to be performed on FILES ONLY //
//----------------- Begin Editable ------------------//
$entry['size'] = filesize($path);
if (strstr(pathinfo($path,PATHINFO_BASENAME),'log')) {
if (!$entry['handle'] = fopen($path,r)) $entry['handle'] = "FAIL";
}
//----------------- End Editable ------------------//
break;
} else {
//---------------------------------------------------------//
// - SECTION 3 - //
// Actions to be performed on DIRECTORIES ONLY //
//----------------- Begin Editable ------------------//
//----------------- End Editable ------------------//
break;
} while (FALSE);
$list[] = $entry;
}
}
}
closedir($handle);
return $list;
} else return FALSE;
}
$result = process_dir('C:/webserver/Apache2/httpdocs/processdir',TRUE);
// Output each opened file and then close
foreach ($result as $file) {
if (is_resource($file['handle'])) {
echo "'n'nFILE (" . $file['dirpath'].'/'.$file['filename'] . "):'n'n" . fread($file['handle'], filesize($file['dirpath'].'/'.$file['filename']));
fclose($file['handle']);
}
}
?>
您可以使用glob&pathinfo:
<?php
foreach (glob(__DIR__.'/*') as $filename) {
print_r(pathinfo($filename));
}
?>
您将尝试以下代码：
$Name = array();
$ext = array();
$downloadlink = array();
$dir = 'downloads'
while ($file= readdir($dir))
{
if ($file!= "." && $file!= "..")
{
$temp = explode(".",$file);
if (count($temp) > 1)
{
$Name[count($Name)] = $temp[0];
swich($ext)
{
case "doc" :
{
$ext[count($ext)] = "Document";
break;
}
[...]
default :
{
$ext[count($ext)] = "Error";
break;
}
}
$downloadlink[count($downloadlink)] = "http://yourdomain.com/".$dir."/".$file;
}
}
}
closedir($dir);
for($aux = 0; $aux < count($Name); $aux++)
{
echo "Name = " . $Name[$aux]."<br />
Type = " . $ext[$aux]."<br/>
Link = " . $downloadlink[$aux]."<br/>
";
}