我找到了一个用于显示照片和制作类别的脚本，但即使在编辑它之后，我也无法让它做我想做的一切。最大的问题是它只显示 JPEG 文件，我如何让它同时显示 PNG 和 GIF？此外，它使用我目录中的文件夹来创建类别，但我不知道如何允许用户选择它所在的类别。我该怎么做？
<body link="#622d15"><form name="newad" method="post" enctype="multipart/form-data"
action="">
<?php
$title="HBCC Photo";
// Logo for the site. Use HTML it can be a graphic.
$logo='';
//Thumbnail maker. Some servers don't like this. Defualt is to leave it on. If you have trouble turn it off.
//0=off 1=on
$makethumbs=1;
//Thumbnail extension. You can change the thumbnail filename extesntion that is added onto the end of the original filename.
//Thumbnail file name will be "OriginalFilename.jpg_thmb.jpg" Warning if you leave this blank you will overwrite your original files!
//If you change the extension it will create new thumbnail files, but not delete the old ones.
// default=_thmb.jpg
$thumbext='_thmb.jpg';
//Thumbnail size. The minimum width and height in pixels, that you would like the thumbnails to be. Photos are scaled.
$twidth=150;
$theight=150;
//Photo size. The minimum width and height in pixels, that you would like you photos scaled to when displayed.
$pwidth = 540;
$pheight = 540;
//The thumbnail gallery is displayed in a table. Please choose the number of rows and columns you would like.
$rows=3;
$cols=3;
//If you would like the filename of the photo to be displayed under the thumbnail change this setting.
//0=off 1=on
$showfilename=1;
$showpathname=0;
//If you want the EXIF Comment information shown
//0=off 1=on
$showexifcomment=1;
//If you would like photo to up a new window when clicked change this setting.
//The defualt is to open the image up in the same browser window.
//0=off 1=on
$window=0;
//Use Javascript for new window
//0=off 1=on
$javascript=0;
//If you would like the thumb to link directly to the photo and not the script set this.
//This works best if you use the Javascript window. It pops open in a nice size.
//Default is to the script.
//0=off 1=on
$linktophoto=0;
//If you would like to use a custom header or footer please add the file names here and they will be included in the script.
//Otherwise the plain jane default will be used. The files should be in the same folder as the script, but if you provide an
//alternate path it will work as well. Example: header.html, header.php.
$header="NULL";
$footer="NULL";
$divider=" | "; //divider between album names
$pagedivider=" | "; //divider between page numbers in thumbnail view
//No need to mess with anything below here.
error_reporting(E_ALL & ~E_NOTICE);
//Part of this function comes from http://www.php.net/manual/en/function.getimagesize.php
function thumb_maker($filename, $minwidth, $minheight) {
global $thumbext,$makethumbs;
if ($makethumbs==1) {
if (file_exists($filename.$thumbext)) {
$photosize = getimagesize($filename.$thumbext);
if (max($minwidth,$minheight)!=max($photosize[0],$photosize[1])) {
unlink($filename.$thumbext);
}
}
if (!file_exists($filename.$thumbext) && file_exists($filename)) {
echo "<br/>One moment please....creating a thumbnail. Refresh the page in a moment.";
set_time_limit(60);
$photosize = getimagesize($filename);
// Get image size and scale ratio
$scale = min($minwidth/$photosize[0], $minheight/$photosize[1]);
if ($scale < 1) {
$width = floor($scale*$photosize[0]);
$height = floor($scale*$photosize[1]);
}
else {
$width = $minwidth;
$height = $minheight;
}
if ($photosize['mime']=="image/jpeg") {
$resizedimage = imagecreatetruecolor($width, $height);
$thumbimage = imagecreatefromjpeg($filename);
imagecopyresampled($resizedimage, $thumbimage, 0, 0, 0, 0, $width, $height, $photosize[0], $photosize[1]);
imagejpeg($resizedimage,$filename.$thumbext,50);
imageDestroy($resizedimage);
imageDestroy($thumbimage);
}
}
}
}
//Part of this function comes from http://www.php.net/manual/en/function.getimagesize.php
function gallery_sizer($photo,$minwidth,$minheight) {
if (file_exists($photo)) {
$photosize = getimagesize("$photo");
# Get image size and scale ratio
$scale = min($minwidth/$photosize[0], $minheight/$photosize[1]);
if ($scale <= 1) {
$width = floor($scale*$photosize[0]);
$height = floor($scale*$photosize[1]);
}
else {
$width = floor($photosize[0]);
$height = floor($photosize[1]);
}
return array($width,$height,$photosize[0],$photosize[1]);
}
}
function exif_comment($photo) {
$comment=NULL;
if (file_exists($photo) && function_exists('exif_read_data')) {
$exif = exif_read_data($photo, 0, true);
if (array_key_exists('COMMENT', $exif)) {
$comment=str_replace("\n", "<br />", strip_tags($exif['COMMENT'] [0]));
}
}
return $comment;
}
function getdirs($dir) {
$dirs=array();
chdir($dir);
if ($handle = opendir($dir)) {
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != ".."){
if (is_dir($file)) {
$dirs[] = $file;
}
}
}
closedir($handle);
}
sort($dirs);
return $dirs;
}
function getphotos($photodir) {
global $thumbext;
$photos=array();
if ($handle = opendir($photodir)) {
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != ".." && !eregi(".jpg".$thumbext."$",$file) && eregi(".jpg$",$file)){
$photos[] = $file;
}
}
closedir($handle);
}
sort($photos);
return $photos;
}
function thumb_gallery($photonum) {
global $photos, $photourl, $photodir, $twidth, $theight, $rows, $cols, $showfilename,$showpathname,$showexifcomment,$linktophoto,$thumbext, $album, $window, $javascript, $query, $pagedivider;
if ($photonum>count($photos)-1) {
$photonum=count($photos)-1;
}
if (($photonum)<=0) {
$photonum=0;
}
if(isset($album)) { $query="&album=".urlencode($album); }
for ($tr = 1; $tr <= $rows; $tr++) {
$photobody[]="<tr>";
for ($td = 1; $td <= $cols; $td++) {
$photobody[]="<td align=\"center\" valign=\"top\">";
if (array_key_exists($photonum, $photos)) {
if (file_exists($photodir."/".$photos[$photonum].$thumbext)) {
$size=gallery_sizer($photodir."/".$photos[$photonum].$thumbext,$twidth,$theight);
$comment=exif_comment($photodir."/".$photos[$photonum]);
$jswindowsize=gallery_sizer($photodir."/".$photos[$photonum],1,1);
$link = $photourl."/".$photos[$photonum].$thumbext;
if ($linktophoto==1) { $linktarget="http://".$_SERVER['HTTP_HOST'].$photourl."/".$photos[$photonum]; } else { $linktarget="http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']."? p=".urlencode($photos[$photonum]).$query; }
if ($window==1) { if ($javascript==1) { $linktarget='javascript:Popup(\''.$linktarget.'\',\''.($jswindowsize[2]+15).'\',\''. ($jswindowsize[3]+15).'\')'; } else { $target="_blank"; } } else { $target="_self"; }
if ($photonum<=count($photos)-1) {
if ($javascript==0) {
$photobody[]="<a href=\"$linktarget\" target=\"$target\">";
}
else { $photobody[]="<a href=\"$linktarget\">"; }
}
$photobody[]="<img src=\"$link\" width=\"$size[2]\" height=\"$size[3]\" alt=\"$photos[$photonum]\" border=\"1\" /></a><br />";
}
if ($photos[$photonum]) {
if ($showexifcomment==1 && !is_null($comment)) { $photobody[]='<p class="thmbcaption">'.$comment.'</p>'; }
if ($showfilename==1) { $photobody[]='<p class="thmbcaption">'.$photos[$photonum].'</p>'; }
if ($showpathname==1) { $photobody[]='<p class="thmbcaption">http://'.$_SERVER['HTTP_HOST'].$photourl.'/'.$photos[$photonum].'</p>'; }
}
}
$photobody[]="</td>";
$photonum++;
}
$photobody[]="</tr>";
}
unset($tr, $td);
#this is down here for a reason don't move it and use array_unshift instead. Trust me.
if (($photonum-($rows*$cols))>0) { $prev="<a href=\"".$_SERVER['PHP_SELF']."?pn=".($photonum-(($rows*$cols)*2)).$query."\"><< Previous</a>"; } else { $prev=""; }
if (($photonum)<(count($photos))) { $next="<a href=\"".$_SERVER['PHP_SELF']."?pn=".$photonum.$query."\">Next>></a>"; } else { $next=""; }
$photopage=array();
$photopage[]="Pages: ";
for ($pagelink=0, $pagenum=1; $pagelink<=count($photos); $pagelink+= ($rows*$cols), $pagenum++) {
//thanks to DC for this addition.
if ($pagenum > 1){
$photopage[]=$pagedivider."<a href=\"$_SERVER[PHP_SELF]?pn=". ($pagelink).$query."\">$pagenum</a> ";
}
else {
$photopage[]=" <a href=\"$_SERVER[PHP_SELF]?pn=". ($pagelink).$query."\">$pagenum</a> ";
}
}
unset($pagelink, $pagenum);
$photopage=implode("", $photopage);
if ($photonum >= count($photos)) { $endnum=count($photos); } else { $endnum=$photonum; }
$photobody[]="<tr><td colspan=\"".$cols."\"><table width=\"100%\" border=\"0\"><tr><td width=\"33%\"><div align=\"left\" class=\"caption\">".$prev."</div> </td><td width=\"33%\"><div align=\"center\" class=\"caption\">Photos <strong>".($photonum- (($rows*$cols)-1))."</strong> to <strong>".$endnum."</strong> of <strong>".count($photos)." </strong><br />".$photopage."</div></td><td width=\"33%\"><div align=\"right\" class=\"caption\">".$next."</div></td></tr></table></td></tr>";
array_unshift($photobody, "<tr><td colspan=\"".$cols."\"><table width=\"100%\" border=\"0\"><tr><td width=\"33%\"><div align=\"left\" class=\"caption\">".$prev."</div></td><td width=\"33%\"><div align=\"center\" class=\"caption\">Photos <strong>".($photonum-(($rows*$cols)-1))."</strong> to <strong>".$endnum."</strong> of <strong>".count($photos)."</strong><br />".$photopage." </div></td><td width=\"33%\"><div align=\"right\" class=\"caption\">".$next."</div></td> </tr></table></td></tr>");
#put the table tag at the top of the array.
array_unshift($photobody, '<table width="100%" border="0" cellspacing="0" cellpadding="3">');
$photobody[]='</table>';
if ($window==1 && $javascript==1) {
array_unshift($photobody, '<SCRIPT language="JavaScript">function Popup(url,width,height) { PopupWindow = window.open (\'\', \'PopupWindow\',\'scrollbars=0,resizable=1,height=\'+height+\',width=\'+width+\',left=100,t op=20\'); PopupWindow.focus(); PopupWindow.location.href = url; }</SCRIPT>');
}
return $photobody;
}
function photo_gallery($photo) {
global $photodir, $photourl, $pwidth, $pheight, $thumbsurl, $window, $photos, $album, $thumbext, $header,$showfilename,$showpathname,$showexifcomment;
$photobody=array();
if (isset($photo)) {
if(isset($album)) { $query="&album=".urlencode($album); }
foreach ($photos as $key => $value) {
if($photo==$value) {
if (array_key_exists($key+1, $photos)) {
if($photos[$key+1]) {
$nextphoto="<br /><a href=\"".$_SERVER['PHP_SELF']."? p=".$photos[$key+1].$query."\">Next Photo ></a>";
$nextphotothumb="<a href=\"".$_SERVER['PHP_SELF']."? p=".$photos[$key+1].$query."\"><img alt=\"\" src=\"".$photourl."/".$photos[$key+1].$thumbext."\" height=\"50\" border=\"1\" /></a>";
}
}
else {
$nextphoto=NULL;
$nextphotothumb=NULL;
}
if (array_key_exists($key-1, $photos)) {
if($photos[$key-1]) {
$prevphoto="<br /><a href=\"".$_SERVER['PHP_SELF']."?p=".$photos[$key- 1].$query."\">< Previous Photo</a>";
$prevphotothumb="<a href=\"".$_SERVER['PHP_SELF']."?p=".$photos[$key- 1].$query."\"><img alt=\"\" src=\"".$photourl."/".$photos[$key-1].$thumbext."\" height=\"50\" border=\"1\" /></a>";
}
}
else {
$prevphoto=NULL;
$prevphotothumb=NULL;
}
}
}
$size=gallery_sizer($photodir.'/'.$photo,$pwidth,$pheight);
$comment=exif_comment($photodir.'/'.$photo);
//close window or prev next menu section
$photobody[]='<table width="100%" border="0" cellspacing="0" cellpadding="3">';
$photobody[]="<tr class=\"imageborder\"><td width=\"33%\"></td><td align=\"center\" width=\"33%\"><div align=\"center\" class=\"caption\"></div></td><td align=\"right\" width=\"33%\"></td></tr>";
if ($window==1) {
$photobody[]="<tr class=\"imageborder\"><td width=\"33%\"><a href=\"javascript:window.close()\">Close Window</a></td><td align=\"center\" width=\"33%\"> <div align=\"center\" class=\"caption\">";
$photobody[]="</div></td><td align=\"right\" width=\"33%\"></td></tr>";
}
else {
$photobody[]="<tr class=\"imageborder\"><td width=\"33%\"><div align=\"left\" class=\"caption\">".$prevphotothumb.$prevphoto."</div></td><td align=\"center\" width=\"33%\"><div align=\"center\" class=\"caption\">";
if ($header=="NULL") {
if (isset($album)) { $photobody[]="<a href=\"".$_SERVER['PHP_SELF']."?album=".urlencode($album)."&p=".$photo."&slide=1\">Start Slideshow</a>\n"; }
else { $photobody[]="<a href=\"".$_SERVER['PHP_SELF']."? p=".$photo."&slide=1\">Start Slideshow</a>\n"; }
}
$photobody[]="</div></td><td align=\"right\" width=\"33%\"><div align=\"right\" class=\"caption\">".$nextphotothumb.$nextphoto."</div></td></tr>";
}
$photobody[]='<tr><td colspan="3" align="center">';
$photobody[]='<img src="'.$photourl.'/'.$photo.'" width="'.$size[0].'" height="'.$size[1].'" border="0" alt="" class="imageborder" />';
if ($photo) {
if ($showexifcomment==1) { $photobody[]='<p class="photocaption">'.$comment.'</p>'; }
if ($showfilename==1) { $photobody[]='<p class="photocaption">'.$photo.'</p>'; }
if ($showpathname==1) { $photobody[]='<p class="photocaption">http://'.$_SERVER['HTTP_HOST'].$photourl.'/'.$photo.'</p>'; }
}
$photobody[]='</td></tr>';
$photobody[]='</table>';
}
return $photobody;
}
function photo_slides($photo) {
global $photodir, $photourl, $pwidth, $pheight, $thumbsurl, $window, $photos, $album, $thumbext, $header,$showfilename,$showpathname,$showexifcomment;
$photobody=array();
if (isset($photo)) {
if(isset($album)) { $query="&album=".urlencode($album); }
foreach ($photos as $key => $value) {
if($photo==$value) {
if (array_key_exists($key+1, $photos)) {
if($photos[$key+1]) {
$nextphoto="<br /><a href=\"".$_SERVER['PHP_SELF']."? p=".$photos[$key+1].$query."\">Next Photo ></a>";
$nextphotothumb="<a href=\"".$_SERVER['PHP_SELF']."? p=".$photos[$key+1].$query."\"><img alt=\"\" src=\"".$photourl."/".$photos[$key+1].$thumbext."\" height=\"50\" border=\"1\" /></a>";
}
}
else {
$nextphoto=NULL;
$nextphotothumb=NULL;
}
if (array_key_exists($key-1, $photos)) {
if($photos[$key-1]) {
$prevphoto="<br /><a href=\"".$_SERVER['PHP_SELF']."?p=".$photos[$key- 1].$query."\">< Previous Photo</a>";
$prevphotothumb="<a href=\"".$_SERVER['PHP_SELF']."?p=".$photos[$key- 1].$query."\"><img alt=\"\" src=\"".$photourl."/".$photos[$key-1].$thumbext."\" height=\"50\" border=\"1\" /></a>";
}
}
else {
$prevphoto=NULL;
$prevphotothumb=NULL;
}
}
}
$size=gallery_sizer($photodir.'/'.$photo,$pwidth,$pheight);
$comment=exif_comment($photodir.'/'.$photo);
$photobody[]='<table width="100%" border="0" cellspacing="0" cellpadding="3">';
$photobody[]="<tr class=\"imageborder\"><td width=\"33%\"><div align=\"left\" class=\"caption\">".$prevphotothumb.$prevphoto."</div></td><td align=\"center\" width=\"33%\"><div align=\"center\" class=\"caption\">";
if ($header=="NULL") {
if (isset($album)) { $photobody[]="<a href=\"".$_SERVER['PHP_SELF']."? album=".urlencode($album)."&p=".$photo."\">Stop Slideshow</a>\n"; }
else { $photobody[]="<a href=\"".$_SERVER['PHP_SELF']."?p=".$photo."\">Stop Slideshow</a>\n"; }
}
$photobody[]="</div></td><td align=\"right\" width=\"33%\"><div align=\"right\" class=\"caption\">".$nextphotothumb.$nextphoto."</div></td></tr>";
//if ($window==1) { $target="<a href=\"javascript:window.close()\">Close Window</a>"; } else { $target="<a href=\"".$_SERVER['HTTP_REFERER']."\">Back</a>"; }
$photobody[]='<tr><td colspan="3" align="center">';
$photobody[]='<img src="'.$photourl.'/'.$photo.'" width="'.$size[0].'" height="'.$size[1].'" border="0" alt="" class="imageborder" />';
if ($photo) {
if ($showexifcomment==1) { $photobody[]='<p class="photocaption">'.$comment.'</p>'; }
if ($showfilename==1) { $photobody[]='<p class="photocaption">'.$photo.'</p>'; }
if ($showpathname==1) { $photobody[]='<p class="photocaption">http://'.$_SERVER['HTTP_HOST'].$photourl.'/'.$photo.'</p>'; }
}
$photobody[]='</td></tr>';
$photobody[]='</table>';
}
return $photobody;
}
function display($photobody) {
global $photodir;
getheader();
echo "<!--Created by LGR Computer Enterprises. www.lgr.ca-->\n";
albums(dirname($_SERVER['SCRIPT_FILENAME']));
echo "<div class=\"photobody\">";
foreach ($photobody as $value) {
echo $value."\n";
}
echo "</div>";
getfooter();
exit;
}
function albums($dir) {
//for now only one level of albums works.
global $album, $title, $photos, $divider, $logo, $photo;
$dirs=getdirs($dir);
if (isset($logo)) { echo $logo; }
if (isset($album)) { echo "<h1>".$album."</h1>"; } else { echo "<h1>".$title."</h1> <p>Albums Available</p>"; }
echo "<div class=\"album\"><p>";
if (isset($album) || isset($photo)) { echo "<a href=\"".$_SERVER['PHP_SELF']."\">$title Home</a>$divider\n"; }
else { }
if (count($dirs)>0) {
foreach ($dirs as $value) {
echo "<a href=\"".$_SERVER['PHP_SELF']."? album=".urlencode($value)."\">".$value."</a>$divider\n";
}
}
echo "</p></div>";
}
//returns the header for the page. Checks for a user defined header.
function getheader() {
global $header, $title, $slide, $photodir, $photourl, $pwidth, $pheight, $thumbsurl, $window,$photo, $photos, $album, $stylesheet;
if(isset($album)) { $query="&album=".urlencode($album); }
if ($slide==1) { $query=$query."&slide=1"; }
foreach ($photos as $key => $value) {
if($photo==$value) {
if (array_key_exists($key+1, $photos)) {
if($photos[$key+1]) {
$nextslide=$_SERVER['PHP_SELF']."?p=".$photos[$key+1].$query;
}
}
else {
$slide=0;
}
}
}
if (isset($header) && $header!="NULL" && is_file ($header)) {
require("$header");
}
else {
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"';
echo "\n";
echo '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">';
echo "\n";
echo '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" >';
echo "\n";
echo '<head>';
echo '<meta http-equiv="content-type" content="text/html; charset=iso-8859- 1" />';
echo "\n";
echo "<title>$title</title>\n";
echo '<meta name="author" content="Lee Robertson"/>';
if ($slide==1 && $header=="NULL") { echo "<META HTTP-EQUIV=refresh CONTENT=\"4; URL=".$nextslide." \">"; }
echo '<style type="text/css" media="all">@import "'.$stylesheet.'"; </style>';
echo "\n";
echo '</head>';
echo "\n";
echo '<body>';
echo "\n";
}
}
//returns the footer for the page. Checks for a user defined footer.
function getfooter() {
global $footer;
if (isset($footer) && $footer!="NULL" && is_file ($footer)) {
require("$footer");
}
else {
echo '<div class="lgrfooter"><p>Powered by: <a href="http://www.photogallery.lgr.ca">LGR Photo</a></p><p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid- xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p></div>';
echo '</body></html>';
}
}
$photodir=dirname($_SERVER['SCRIPT_FILENAME']);
$photourl=dirname($_SERVER['PHP_SELF']);
$thumbsurl=dirname($_SERVER['PHP_SELF']);
$photobody=array();
if (isset($_GET['album'])) {
if (in_array($_GET['album'],getdirs(dirname($_SERVER['SCRIPT_FILENAME'])))==FALSE) {
$album = NULL;
}
else {
$album = urldecode($_GET['album']);
}
$photodir=dirname(realpath($_SERVER['SCRIPT_FILENAME']))."/".$album;
$photourl=dirname($_SERVER['PHP_SELF'])."/".$album;
$thumbsurl=dirname($_SERVER['PHP_SELF'])."/".$album;
}
//To make sure this works both on Linux and Win
$photodir = str_replace("\\", "/", $photodir);
//Get the jpegs from the folder.
$photos=getphotos($photodir);
//check to see if thumbnails are made if not it will make. Adds time to the processing of the script.
for ($i=0; $i<=count($photos)-1; $i++) {
thumb_maker($photodir."/".$photos[$i], $twidth, $theight);
}
if (count($photos)<=0) {
$photobody[]="";
display($photobody);
exit;
}
if (isset($_GET['pn'])) {
$photonum = htmlentities(strip_tags($_GET['pn']));
$photobody=thumb_gallery($photonum);
}
elseif (isset($_GET['slide'])) {
$slide=$_GET['slide'];
$photo=htmlentities(strip_tags(urldecode($_GET['p'])));
if (file_exists($photodir.'/'.$photo)) {
$photobody=photo_slides($photo,$pwidth,$pheight);
}
else {
$photobody=thumb_gallery(0);
}
}
elseif (isset($_GET['p'])) {
$photo=htmlentities(strip_tags(urldecode($_GET['p'])));
if (file_exists($photodir.'/'.$photo)) {
$photobody=photo_gallery($photo,$pwidth,$pheight);
}
else {
$photobody=thumb_gallery(0);
}
}
else {
$photobody=thumb_gallery(0);
}
//output it all to the browser.
display($photobody);
exit;
?>