因此，我正在基于现有的开源脚本开发以下图像上传脚本。当前可在此处实时查看：http://images.oneightynyc.com/
现在，如果你拍摄任何一系列常规大小的图像（5mb以下）并继续上传，上传过程就会很顺利。上载文件，并将您带到显示这些文件的链接代码的页面。然而，假设您上传了一些大图像，如下所示：
http://imaging.nikon.com/lineup/dslr/d90/img/sample/pic_005b.jpg
http://imaging.nikon.com/lineup/dslr/d90/img/sample/pic_003b.jpg
上传是在这个过程中进行的，但脚本从未将您带到上传的页面。我知道上传实际发生的唯一方法是浏览到Gallery页面，看到文件列在那里。
这是处理上传的uploader.php文件：
<?
//ob_start();
session_start();
$auth_id=$_SESSION['userid'];
if (!$auth_id || empty($auth_id) || $auth_id==""){
$auth_id = 0;
}
require_once("config.php");
require_once("limits.php");
require_once("ftp.class.php");
require_once("func.php");
$link = mysql_connect($db_server, $db_user, $db_password) or die("Could not connect to the database.");
mysql_select_db($db_name) or die("Could not select the database.");
if ($config[Uploads] == 0) {
$msg= "<center><b><br><br><br>Uploads are temporarily disabled by the site admin</center></b>";
}
else if ($config[Uploads] == 1 && !$auth_id) {
$msg= "<center><b><br><br><br>You have to <a href='"register.php'" title='"Register'">Register</a> before you will be able to upload photos.</center></b>";
}
$query = "select count(*) as total from ftp where status=1";
$result = mysql_query($query) or die("Query failed.");
while ($row = mysql_fetch_array($result))
{
$total=$row[total];
}
if($total<=0)
{
$no_server="1";
$ftpid=0;
$url=$server_url."/images/";
}
else
{
$query = "select * from ftp where status=1 ORDER BY RAND() limit 1";
$result = mysql_query($query) or die("Query failed.");
while ($row = mysql_fetch_array($result))
{
$no_server="0";
$ftpid=$row['ftpid'];
$path=$row['name'];
$url=$row['dir'];
$host=$row['host'];
$user=$row['user'];
$pass=$row['ftppass'];
}
}
// get variables for fields on upload screen
$tos = $_POST['tos'];
$prv = $_POST['prv'];
if($prv!="1")
$prv=0;
$uploaderip = $_SERVER['REMOTE_ADDR'];
$messages="";
$msg="";
$newID="";
$FileName="";
$FileFile="";
$FileUrl="";
$FileUrlLink="";
$FiletnUrl="";
// check for blocked ip address
if ($uploaderip != "") {
$query = "select ip from blocked where ip = '$uploaderip'";
$result = mysql_query($query) or die("Query failed.");
$num_rows = mysql_num_rows($result);
if ($num_rows > 0) {
$msg= "Your IP address (".$uploaderip.") has been blocked from using this service.";
}
}
if ($config[AcceptTerms]=="1"){
if ($tos=="")
{
$msg= "You must check the box stating you agree to our terms.";
echo "<script language='javascript'>parent.upload('".$msg."','".$newID."','".$messages."','".$FileName."','".$FileFile."','".$FileUrl."','".$FileUrlLink."','".$FiletnUrl."','".$page_url."','".$server_url."','".$site_name."','".$HotLink."');</script>";
}
}
if($msg=="")
{
// check for a file
for($i=0;$i<=14;$i++)
{
$err="0";
$thefile = $_FILES['thefile'.$i];
if ($thefile['name']!="")
{
// check for valid file extension
$path_parts = pathinfo($thefile['name']);
$file_ext = strtolower($path_parts['extension']);
if ($err == "0")
{
// check for valid file type
if (!in_array_nocase($file_ext, $valid_file_ext))
{
$messages.= "|<em>".$thefile['name']."</em> is not in a valid format (".$valid_mime_types_display.")";
$err="1";
}
}
if ($err == "0") {
// check for valid image file
$imageinfo = getimagesize($_FILES['thefile0']['tmp_name']);
if(!eregi('image',$imageinfo['mime'])) {
$messages.="|". "Sorry, This is not a valid image file!";
$err="1"; } }
if ($err == "0")
{
// check for valid file size
if ($thefile['size'] > ($max_file_size_b))
{
$filesizemb =($thefile['size']/1048576);
$filesizemb = number_format($filesizemb, 3);
$messages.="Sorry but this image size is ".$filesizemb." MB which is bigger than the max allowed file size of ".$max_file_size_mb." MB.";
$err="1";
}
}
// save the file, if no error messages
if ($err == "0")
{
// replace special chars with spaces
$thefile['name'] = eregi_replace("[^a-z0-9.]", " ", $thefile['name']);
// Replace multiple spaces with one space
$thefile['name'] = ereg_replace(' +', ' ', $thefile['name']);
// Replace spaces with underscore
$thefile['name'] = str_replace(' ', '_', $thefile['name']);
// Replace hyphens with underscore
$thefile['name'] = str_replace('-', '_', $thefile['name']);
// Replace multiple underscores with one underscore
$thefile['name'] = ereg_replace('_+', '_', $thefile['name']);
$path_parts = pathinfo($thefile['name']);
// if php < 5.2
if(!isset($path_parts['filename'])){
$path_parts['filename'] = substr($path_parts['basename'], 0,strpos($path_parts['basename'],'.'));
}
$thefile['name'] = strpos($path_parts['filename'], '.');
$thefile['name'] = substr($path_parts['filename'], 0, 22); // limit file name length to 22 chars from the beginning
$thefile['name'] = $thefile['name'] . "." . strtolower($path_parts['extension']);
// Generate prefix to add to file name
$prefix = rand(99,999);
// Add prefix to file name
$newFileName = $prefix . $thefile['name'];
// SAVE THE PICTURE
$FileName.="|". newImageName($thefile['name']);
$FileFile.="|". $server_dir . $newFileName;
$newFile = $server_dir . $newFileName;
$newFileUrl = $url . $newFileName;
$FileUrl.="|". $url . $newFileName;
$newFileUrlLink = $server_save_directory . $newFileName;
$FileUrlLink.="|". $newFileName;
if (in_array_nocase($file_ext, $valid_file_ext))
{
$lx = 3;
if ($file_ext == "jpeg") {
$lx = 4; }
$tnFileName = substr($newFileName, 0, strlen($newFileName) - $lx) . "jpg";
$tnFileName = str_replace('.', '_tn.', $tnFileName);
$tnFile = $server_dir . $tnFileName;
$FiletnUrl.="|". $url . $tnFileName;
$tnFileUrl = $url . $tnFileName;
}
else
{
$tnFileName = "";
$tnFile = "";
$tnFileUrl = "";
}
$filesize = $thefile['size'];
$newID = "";
if (!@copy($thefile['tmp_name'], $newFile))
{
$messages.="|". "Please check site settings in admin panel and set proper value for server local path.<br><br>Also please make sure the images folder is chmodded to 0777";
}
else
{
// add to database
if($auth_id)
$uid=$auth_id;
else $uid=0;
//ftpupload($host,$user,$pass,$path."/".$dir."/".$newFileName,$newFileUrl);
//ftpupload
if($no_server=="0")
{
$ftp =& new FTP();
if ($ftp->connect($host)) {
if ($ftp->login($user,$pass)) {
$ftp->chdir($path);
$ftp->put($newFileName,$newFile);
}
}
// unlink($newFile);
}
//ftpupload
$date_add=time();
$query = "INSERT INTO images (prv,ftpid,userid,filename, tn_filename, filepath, ip, filesize,added) VALUES ($prv,$ftpid,$uid,'$newFileName', '$tnFileName', '$url', '$uploaderip', $filesize,$date_add)";
mysql_query($query) or die("Database entry failed.");
$newID.="|". mysql_insert_id();
}
if ($file_ext == "jpeg" ||$file_ext == "jpg" || $file_ext == "png" || $file_ext == "gif" || $file_ext == "bmp")
{
if ($file_ext == "jpg")
{
$source_id = imagecreatefromjpeg($newFile);
}
if ($file_ext == "jpeg")
{
$source_id = imagecreatefromjpeg($newFile);
}
elseif ($file_ext == "png")
{
$source_id = imagecreatefrompng($newFile);
}
elseif ($file_ext == "gif")
{
$source_id = imagecreatefromgif($newFile);
}
elseif ($file_ext == "bmp")
{
$source_id = ImageCreateFromBMP($newFile);
}
$true_width = imagesx($source_id);
$true_height = imagesy($source_id);
}
}
}
}
mysql_close($link);
// create URL links to display to user
$showURL1 = false; // image on hosted page - image only
$showURL2 = false; // direct link to file - all
$showURL3 = false; // HTML for img - image only
$showURL4 = false; // [img][/img] tags - image only
$showURL5 = false; // thumbnail pic - image only
// determine flags
$showURL2 = true;
if ($file_ext == "jpg" || $file_ext == "jpeg"|| $file_ext == "gif" || $file_ext == "png" || $file_ext == "bmp") {
$showURL1 = true;
$showURL3 = true;
$showURL4 = true;
}
if ($file_ext == "jpg" || $file_ext == "gif" || $file_ext == "png"|| $file_ext == "jpeg" || $file_ext == "bmp") {
$showURL5 = true;
}
echo "<script language='javascript'>parent.upload('".$msg."','".$newID."','".$messages."','".$FileName."','".$FileFile."','".$FileUrl."','".$FileUrlLink."','".$FiletnUrl."','".$page_url."','".$server_url."','".$site_name."','".$HotLink."');</script>";
}
else
{
echo "<script language='javascript'>parent.uploaderror('".$msg."');</script>";
exit;
}
function newImageName($fname) {
$timestamp = time();
$new_image_file_ext = substr($fname, strlen($fname) - 3, strlen($fname));
if ($new_image_file_ext == "peg") {
$ext = ".jpg";
} else {
$ext = "." . $new_image_file_ext;
}
$newfilename = randString() . substr($timestamp, strlen(timestamp) - 4, strlen(timestamp)) . $ext;
return $newfilename;
}
function randString() {
$newstring="";
while(strlen($newstring) < 3) {
$randnum = mt_rand(0,61);
if ($randnum < 10) {
$newstring .= chr($randnum + 48);
} elseif ($randnum < 36) {
$newstring .= chr($randnum + 55);
} else {
$newstring .= chr($randnum + 61);
}
}
return $newstring;
}
function in_array_nocase($item, $array) {
$item = &strtoupper($item);
foreach($array as $element) {
if ($item == strtoupper($element)) {
return true;
}
}
return false;
}
?>
负责生成上传页面的upload.js脚本：
var cp = new cpaint();
cp.set_transfer_mode('get');
cp.set_response_type('xml');
cp.set_debug(1);
function uploaderror(msg)
{
alert(msg);
}
function showfile()
{
var countfld=1;
countfld=document.getElementById("countfld").value+countfld;
fld=countfld.length;
if(fld>14)
{
alert("Sorry, i can upload max 15 files at once.");
return false;
}
else
{
document.getElementById("f"+fld).style.display="block";
document.getElementById("countfld").value=countfld;
}
var file=document.getElementById("f"+fld).value;
if(file=="")
{
msg="Please fill this field.";
alert(msg);
document.getElementById("f"+fld).focus();
return false;
}
}
function showfileux()
{
var countfld=1;
countfld=document.getElementById("countfldu").value+countfld;
fld=countfld.length;
if(fld>14)
{
alert("Sorry, i can upload max 15 files at once.");
return false;
}
else
{
document.getElementById("u"+fld).style.display="block";
document.getElementById("countfldu").value=countfld;
}
}
function showfileu()
{
var countfld=1;
countfld=document.getElementById("countfldu").value+countfld;
fld=countfld.length;
fldx=fld-1;
fldxx=fld.value;
if(fldxx=="")
{
msg="Email Address cannot be left empty.";
alert(msg);
document.getElementById("u"+fldxx).select();
document.getElementById("u"+fldxx).focus();
return false;
}
if(fld>14)
{
alert("Sorry, i can upload max 15 files at once.");
return false;
}
else
{
document.getElementById("u"+fld).style.display="block";
document.getElementById("countfldu").value=countfld;
}
}
function uploadfile(id)
{
if(document.getElementById(id).value==1)
{
document.getElementById("showurl").style.display="none";
document.getElementById("showfl").style.display="block";
return true;
}
if(document.getElementById(id).value==2)
{
document.getElementById("showfl").style.display="none";
document.getElementById("showurl").style.display="block";
return true;
}
document.getElementById("countfldu").value="0";
document.getElementById("countfld").value="0";
}
function show_loading()
{
document.getElementById('loading').style.display = "block";
document.getElementById('newupload').submit;
document.getElementById('submit').disabled = true;
// return true;
}
function show_loading1()
{
document.getElementById('loading1').style.display = "block";
document.getElementById('newupload1').submit;
document.getElementById('submit').disabled = true;
}
function upload(msg,newID,messages,FileName,FileFile,FileUrl,FileUrlLink,FiletnUrl,page_url,server_url,site_name,HotLink)
{
var html='<div id="wrapper"><div style="width:760px;"><center><FONT SIZE="4" COLOR="#00A4B7">Photo Links</FONT></h4><br></center><span class="body"><form name="uploadresults" action="uploademail.php" method="post">';
if(newID)
{
html=html+'<input type="hidden" name="idx[]" value="'+newID+'">';
}
if(msg)
{
var getmsg = msg.split("|");
for(i=0;i<getmsg.length;i++)
{
if(getmsg[i] && getmsg[i]!="on")
html=html+'<span style="font-weight: bold; color: red;">'+getmsg[i]+'</span><br>';
}
}
html=html+'<br><center>';
if(messages)
{
var getmessages = messages.split("|");
for(i=0;i<getmessages.length;i++)
{
if(getmessages[i] && getmessages[i]!="on")
html=html+'<span style="font-weight: bold; color: red;">'+getmessages[i]+'</span>';
}
html=html+'</center>';
}
if(FileName)
{
var getFileName = FileName.split("|");
var getFileFile = FileFile.split("|");
var getFileUrl = FileUrl.split("|");
var getFileUrlLink = FileUrlLink.split("|");
var getFiletnUrl = FiletnUrl.split("|");
var getHotLink = HotLink.split("|");
for(i=0;i<getFileName.length;i++)
{
if(getFileName[i] && getFileName[i]!="on") {
html=html+'<center><br><a href="view2.php?filename='+getFileUrlLink[i]+'"><img src="'+getFileUrl[i]+'" style="max-width: 550px;"" /></a><br><br>';
html=html+'<strong>Link to add tags and delete the photo <br><div align="center"><textarea name="url1[]" cols="80" rows="1" READONLY onfocus="javascript: this.select()">'+server_url+'/view2.php?filename='+getFileUrlLink[i]+'
让我知道你认为是什么导致了这个错误，因为这是我需要修复的最后一步。
我在从大型数据库创建excel文件时也遇到过类似的问题。归根结底，PHP脚本超过了服务器设置的时间限制。有多种方法可以延迟/扩展内置的PHP函数，可以使用部分或全部。我个人使用了AJAX的功能组合，允许它在后台运行，然后重定向该页面。
以下是关于如何延迟/扩展它的文档：
http://php.net/manual/en/function.set-time-limit.php
以下是关于如何检查超时的文档：
http://php.net/manual/en/function.connection-timeout.php
如果你最终像我一样走AJAX路线，我强烈建议你走jQuery路线，而不是普通的JS。