我使用jquery.form插件进行文件上传（从http://malsup.com/下载的代码）。它在我的本地计算机上工作正常，但在服务器上提交表单后显示空白页面。我已为要上载文件的目录设置了文件权限777。 “开箱即用”代码在服务器上运行良好。但是，我已将其合并到我的jquery移动设置中，并添加了数据库操作和文件删除表单。虽然它在本地工作，但它在服务器上显示空白页面。没有任何错误显示，文件没有上传，数据库没有更新。似乎根本不执行处理代码。我试图在表单处理代码的开头回应一些东西，但也没有发生，所以看起来ajax表单没有被提交。
以下是表单的代码，第二个是处理的代码。
<?php
require_once ("lib/required.php");
$_SESSION['login_data'] = get_login_data();
# Login Protected Page - send them back home
if (!$_SESSION['login_data']['user_logged_in']){ # not logged in
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # must be logged in - send them to homepage
exit;
} elseif ($_SESSION['login_data']['group_title'] != 'Landlord'){ # logged in but not a Landlord
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id mismatch - send them to homepage
exit;
} elseif (isset($_GET['memid']) && $_GET['memid'] != $_SESSION['login_data']['id']){ # logged in but memid in url is no match (typed in?)
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id mismatch - send them to homepage
exit;
} elseif (isset($_GET['propid'])){
if (!$foo = sql_get_results_array("SELECT * FROM " . DBPREFIX . "tbl_property WHERE property_id = " . $_GET['propid'] . " AND landlord_id = " . $_GET['memid'])){ # logged in but propid in url is no match (typed in?)
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id vs property mismatch - send them to homepage
exit;
}
}
# DO NOT include the code below on PayPalP Pay Subscription Page
# This code MUST BE INCLUDED on every Login Protected Page
# check subscription and send them to PayPal if not valid
if (!valid_subscription($_SESSION['login_data']['id'],$_SESSION['login_data']['membership_expiry'],$_SESSION['login_data']['grace_expiry'],$_SESSION['login_data']['subscription_fee'])){
$_SESSION['popup_msg_id'] = 37; # this is to popup a "final call" message
$redirect_url = "http://" . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . "/" . PAYPAL_PAY_SUBSCRIPTION_PAGE . "?memid=" . $_SESSION['login_data']['id'];
header ( "Location: " . $redirect_url ); # send them to referring page where resulting messages will be displayed
exit;
}
# DO NOT include the code above on PayPalP Pay Subscription Page
# End-of-Housekeeping
if (isset($_GET['memid'])){
$member_id = $_GET['memid']; # get landlord id from url
} else {
$member_id = $_SESSION['login_data']['id']; # get landlord id from login
}
if (isset($_GET['propid'])){ # this is for when coming from property details page with a selected property id in url
$property_id = $_GET['propid']; # get property id from url
$my_post_list['property-list-form-submitted'] = "1"; # fake "list" form submission to force appropriate form contents
$my_post_list['property-list'] = $property_id;
$property_selected = TRUE;
}
if ($_POST['property-list-form-submitted'] == "1") { # form submitted - property selected - copy $_POST to own array
$my_post_list = $_POST;
if ($my_post_list['property-list'] == 0){ # insert new data - redirect to property details page
$redirect_url = "http://" . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . "/" . LANDLORD_PROPERTY_DETAILS_PAGE . "?memid=" . $_SESSION['login_data']['id'] . "&action=addprop";
header ( "Location: " . $redirect_url ); # send them to property details page
exit;
} else {
$property_id = $my_post_list['property-list'];
$property_selected = TRUE;
}
}
$property_list = sql_get_results_array( "SELECT * FROM " . DBPREFIX . "tbl_property WHERE landlord_id = " . $member_id); # get list of all properties & details for this landlord in 2-dimensional associative array
if ($my_post_list['property-list-form-submitted'] == "1") { # form submitted - property selected - display all property details
$property_selected = TRUE;
$property_data = sql_get_results_array( "SELECT * FROM " . DBPREFIX . "tbl_property WHERE landlord_id = " . $member_id . " AND property_id = " . $my_post_list['property-list']);
}
if ($_POST['remove-pic-form-submitted'] == "1"){ # delete saved image that was clicked upon
if (!db("DELETE FROM " . DBPREFIX . "tbl_property_picture WHERE property_id = " . $property_id . " AND landlord_id = '" . $member_id . "' AND picture_path = '" . $_POST['remove-this-path'] . "' AND picture_filename = '" . $_POST['remove-this-file'] . "'")){ # delete didn't work
$_SESSION['popup_msg_id'] = 14; # this is to popup error message if delete fails
} # /if
$propimage = $_POST['remove-this-path'] . $_POST['remove-this-file'];
// See if it exists before attempting deletion on it
if (file_exists($propimage)) {
unlink($propimage); // Delete now
}
// See if it exists again to be sure it was removed
if (file_exists($propimage)) {
echo "Problem deleting " . $propimage;
}
$propthumb = $_POST['remove-this-path'] . "thumb_" . $_POST['remove-this-file'];
// See if it exists before attempting deletion on it
if (file_exists($propthumb)) {
unlink($propthumb); // Delete now
}
// See if it exists again to be sure it was removed
if (file_exists($propthumb)) {
echo "Problem deleting " . $propthumb;
}
} # /if file delete form submitted
?>
<!doctype html>
<html>
<head>
<title><?php echo $page_title ;?></title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<?php include("inc/pl_css.inc"); ?>
<link href="css/image-upload.css" rel="stylesheet" type="text/css" />
<?php include("inc/pl_js.inc"); ?>
<script type="text/javascript">
$(document).ready(function() {
//elements
var progressbox = $('#progressbox'); //progress bar wrapper
var progressbar = $('#progressbar'); //progress bar element
var statustxt = $('#statustxt'); //status text element
var submitbutton = $("#SubmitButton"); //submit button
var myform = $("#UploadForm"); //upload form
var output = $("#output"); //ajax result output element
var completed = '0%'; //initial progressbar value
var FileInputsHolder = $('#AddFileInputBox'); //Element where additional file inputs are appended
var MaxFileInputs = 10; //Maximum number of file input boxes
// adding and removing file input box
var i = $("#AddFileInputBox div").size() + 1;
$("#AddMoreFileBox").click(function () {
event.returnValue = false;
if(i < MaxFileInputs)
{
$('<span><input type="file" id="fileInputBox" size="20" name="file[]" class="addedInput" value=""/><a href="#" class="removeclass small2"><img src="img/close_icon.gif" border="0" /></a></span>').appendTo(FileInputsHolder);
i++;
}
return false;
});
$("body").on("click",".removeclass", function(e){
event.returnValue = false;
if( i > 1 ) {
$(this).parents('span').remove();i--;
}
});
$("#ShowForm").click(function () {
$("#uploaderform").slideToggle(); //Slide Toggle upload form on click
});
$(myform).ajaxForm({
beforeSend: function() { //brfore sending form
submitbutton.attr('disabled', ''); // disable upload button
statustxt.empty();
progressbox.show(); //show progressbar
progressbar.width(completed); //initial value 0% of progressbar
statustxt.html(completed); //set status text
statustxt.css('color','#000'); //initial color of status text
},
uploadProgress: function(event, position, total, percentComplete) { //on progress
progressbar.width(percentComplete + '%') //update progressbar percent complete
statustxt.html(percentComplete + '%'); //update status text
if(percentComplete>50)
{
statustxt.css('color','#fff'); //change status text to white after 50%
}else{
statustxt.css('color','#000');
}
},
complete: function(response) { // on complete
output.html(response.responseText); //update element with received data
myform.resetForm(); // reset form
submitbutton.removeAttr('disabled'); //enable submit button
progressbox.hide(); // hide progressbar
$("#uploaderform").slideUp(); // hide form after upload
}
});
});
</script>
</head>
<body>
<!-- property-images-page -->
<div data-role="page" id="property-details-page" class="globalpage" data-theme="<?php echo $_SESSION['login_data']['data_theme'];?>">
<script type="text/javascript"> function loadPage(url){document.location.href = url;};</script>
<!-- this .inc file contains 5 panels: login/forgot/register/reset/profile - <div>s with data-role="panel" are inside this file -->
<?php include("inc/pl_user_options_panel.inc"); ?>
<!-- /user-options-panel -->
<div data-role="panel" id="menu-panel" data-position="left" data-display="overlay">
<?php include("inc/pl_menu_panel.inc"); ?>
</div><!-- /menu-panel -->
<!-- top header, non-scrolling, shows two action buttons on sides & user data in the middle -->
<div data-role="header" data-position="fixed">
<?php include("inc/pl_data_role_header.inc"); ?>
</div> <!-- /header -->
<div role="main" class="ui-content">
<!-- page load popup handler -->
<?php include("inc/pl_popup_handler.inc"); ?>
<!-- scrolling page header with PeterLandlord logo -->
<?php include("inc/pl_page_header.inc");?>
<div class="formbox">
<?php # property selection form ?>
<form name="property-list-form" class="form" action="<?php echo $_SERVER['PHP_SELF'];?>?memid=<?php echo $member_id;?>" method="post">
<input type="hidden" name="property-list-form-submitted" value="1"/>
<div id="property-list-div" class="ui-field-contain">
<label for="property-list" class="<?php echo $message['msg_class'];?>"><b></label>
<?php
if ($my_post_list['property-list-form-submitted'] != "1" || sizeof($property_data) == 0) { # form not submitted
?>
<select name="property-list" id="property-list" data-native-menu="false" onChange="this.form.submit()">
<option value="choose-one" data-placeholder="true"><?php echo get_contents(600); ?></option>
<option value="0"><?php echo get_contents(601); ?></option>
<?php
} else { # form submitted
?>
<select name="property-list" id="property-list" data-native-menu="false" onChange="this.form.submit()">
<?php
if ($my_post_list['property-list'] != "0") { # an existing property selected
?>
<option value="<?php echo($my_post_list['property-list']);?>"><?php echo get_contents(602); ?>
<?php
echo
$property_data[0]['address_line'].", ".
$property_data[0]['address_locality'].", ".
$property_data[0]['address_state'].", ".
$property_data[0]['address_postcode'];
$skip_this_property = $property_data[0]['property_id'];
?>
</option>
<?php
} # /if an existing property selected
?>
<option value="0"><?php echo get_contents(601); ?></option>
<?php
} # /else
if ($my_post_list['property-list-form-submitted'] == "1" && $my_post_list['property-list'] == "0") { # add new property selected
# do nothing
} else { # display remaining properties
for ($i=0; $i<sizeof($property_list); $i++){
if ($property_list[$i]['property_id'] != $skip_this_property){ # Don't display selected property in the list - it is displayed above
?>
<option value="<?php echo $property_list[$i]['property_id'];?>">
<?php
echo
$property_list[$i]['address_line'].", ".
$property_list[$i]['address_locality'].", ".
$property_list[$i]['address_state'].", ".
$property_list[$i]['address_postcode'];
?>
</option>
<?php
} # /if add new property selected
} # /for
} # /if Don't display selected property
?>
</select>
</div> <!-- /property-list-div -->
</form> <!-- /property-list-form -->
</div> <!-- formbox for property selection-->
<?php
if ($property_selected){ # only show stored images & image upload form if property is selected
$sql = "SELECT * FROM " . DBPREFIX . "tbl_property_picture WHERE property_id = " . $property_id . " AND landlord_id = " . $member_id;
if (!($property_pics = sql_get_results_array($sql))){
$no_images = TRUE;
} else {
$no_images = FALSE;
}
?>
<div class="formbox">
<table align="center" border="0" cellpadding="4" cellspacing="0">
<tr>
<?php
if ($no_images){
?>
<td align="center"><img src="<?php echo PROPERTY_IMG_FOLDER ;?>noimages.png" alt="Thumbnail" width="100" height="100"></td>
<?php
} else {
for ($i=0; $i<sizeof($property_pics); $i++){
list($ImageWidth,$ImageHeight)=getimagesize($property_pics[$i]['picture_path'] . $property_pics[$i]['picture_filename']);
?>
<td align="center">
<a href="#popup<?php echo $i;?>" data-rel="popup" data-transition="pop" class="ui-btn-<?php echo $_SESSION['login_data']['data_theme'];?>"><img src="<?php echo $property_pics[$i]['picture_path'];?><?php echo $property_pics[$i]['picture_thumbname'];?>" alt="Thumbnail<?php echo $i;?>" height="100px" width="100px"></a>
<br>
<form name="delete-form-<?php echo $i;?>" id="delete-form-<?php echo $i;?>" class="form" action="<?php echo $_SERVER['PHP_SELF'];?>?memid=<?php echo $member_id;?>&propid=<?php echo $property_id;?>" method="post">
<input type="hidden" name="remove-pic-form-submitted" value="1"/>
<input type="hidden" name="remove-this-path" value="<?php echo $property_pics[$i]['picture_path'];?>"/>
<input type="hidden" name="remove-this-file" value="<?php echo $property_pics[$i]['picture_filename'];?>"/>
<a href="#" onClick="document.getElementById('delete-form-<?php echo $i;?>').submit()" class="ui-corner-all ui-btn ui-shadow ui-icon-delete ui-btn-icon-right ui-btn-inline""></a>
</form>
</td>
<div data-role="popup" id="popup<?php echo $i;?>" class="ui-content" data-theme="<?php echo $_SESSION['login_data']['data_theme'];?>" style="max-width:1000px;">
<a href="#" data-theme="<?php echo $_SESSION['login_data']['data_theme'];?>" data-rel="back" class="ui-btn ui-corner-all ui-shadow ui-icon-delete ui-btn-icon-notext ui-btn-right">Close</a>
<p class="txtcopyright"><img src="<?php echo $property_pics[$i]['picture_path'];?><?php echo $property_pics[$i]['picture_filename'];?>" alt="Image<?php echo $i;?>" width="<?php echo $ImageWidth;?>" height="<?php echo $ImageHeight;?>"></p>
</div>
<?php
} # /for
} # /if no images
?>
</tr>
</table>
</div> <!-- formbox for image display-->
<div class="formbox">
<div id="uploaderform">
<form action="<?php echo LANDLORD_PROPERTY_IMAGES_PROCESS;?>?memid=<?php echo $member_id;?>&propid=<?php echo $property_id;?>" method="post" enctype="multipart/form-data" name="UploadForm" id="UploadForm">
<input type="hidden" name="max-to-upload" value="<?php echo 10 - sizeof($property_pics);?>"/>
<h1>Property image file upload</h1>
<p>Up to 10 images can by added with each image file size less than 1MB!</p>
<label>Images
<span class="small"><a href="#" id="AddMoreFileBox">Add More Images</a></span>
</label>
<div id="AddFileInputBox"><input id="fileInputBox" style="margin-bottom: 5px;" type="file" name="file[]"/></div>
<div class="sep_s"></div>
<button type="submit" class="button" id="SubmitButton">Upload</button>
<div id="progressbox"><div id="progressbar"></div ><div id="statustxt">0%</div ></div>
</form>
</div>
<div id="uploadResults">
<div align="center" style="margin:20px;"><a href="#" id="ShowForm">Toggle Upload Form</a></div>
<div id="output"></div>
</div>
</div> <!-- formbox -->
<?php
} # /if property selected
?>
<div class="formbox">
<hr>
<table class="fixed">
<tr>
<td><button onClick="loadPage('<?php echo LANDLORD_PROPERTY_DETAILS_PAGE;?>?memid=<?php echo $member_id;?>&propid=<?php echo $property_id;?>');" data-rel="external" data-theme="<?php echo $_SESSION['login_data']['data_theme'];?>" class="ui-btn ui-corner-all ui-icon-action"><?php echo get_contents(618)?></button></td>
<td>
<?php if ($property_selected){ # only show this button if property is selected ?>
<button type="reset" onClick="loadPage('<?php echo LANDLORD_PROPERTY_IMAGES_FORM;?>?memid=<?php echo $member_id;?>&propid=<?php echo $property_id;?>');" data-rel="external" data-theme="<?php echo $_SESSION['login_data']['data_theme'];?>" class="ui-btn ui-corner-all">Refresh View</button>
<?php }?>
</td>
<td><button onClick="loadPage('<?php echo LANDLORD_PROPERTY_FEATURES_PAGE;?>?memid=<?php echo $member_id;?>&propid=<?php echo $property_id;?>');" data-rel="external" data-theme="<?php echo $_SESSION['login_data']['data_theme'];?>" class="ui-btn ui-corner-all ui-icon-action"><?php echo get_contents(609)?></button></td>
</tr>
</table>
</div> <!-- formbox2 -->
</div> <!-- /role-main -->
<div data-role="footer" data-position="fixed">
<?php include("inc/pl_page_footer.inc"); ?>
</div> <!-- /footer -->
</div>
<!-- /property-images-page -->
</body>
</html>
表格处理代码：
<?php
# pl_landlord_property_img_upl_proc.php
# Housekeeping
require_once ("lib/required.php");
$_SESSION['login_data'] = get_login_data();
# Login Protected Page - send them back home
if (!$_SESSION['login_data']['user_logged_in']){ # not logged in
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # must be logged in - send them to homepage
exit;
} elseif ($_SESSION['login_data']['group_title'] != 'Landlord'){ # logged in but not a Landlord
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id mismatch - send them to homepage
exit;
} elseif (isset($_GET['memid']) && $_GET['memid'] != $_SESSION['login_data']['id']){ # logged in but memid in url is no match (typed in?)
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id mismatch - send them to homepage
exit;
} elseif (isset($_GET['propid'])){
if (!$foo = sql_get_results_array("SELECT * FROM " . DBPREFIX . "tbl_property WHERE property_id = " . $_GET['propid'] . " AND landlord_id = " . $_GET['memid'])){ # logged in but propid in url is no match (typed in?)
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id vs property mismatch - send them to homepage
exit;
} else {
# go through...
}
} else {
$redirect_url = 'http://' . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . '/' . HOME_PAGE;
header ( "Location: " . $redirect_url ); # id mismatch - send them to homepage
exit;
}
# DO NOT include the code below on PayPalP Pay Subscription Page
# This code MUST BE INCLUDED on every Login Protected Page
# check subscription and send them to PayPal if not valid
if (!valid_subscription($_SESSION['login_data']['id'],$_SESSION['login_data']['membership_expiry'],$_SESSION['login_data']['grace_expiry'],$_SESSION['login_data']['subscription_fee'])){
$_SESSION['popup_msg_id'] = 37; # this is to popup a "final call" message
$redirect_url = "http://" . $_SERVER['HTTP_HOST'] . APPLICATION_FOLDER . "/" . PAYPAL_PAY_SUBSCRIPTION_PAGE . "?memid=" . $_SESSION['login_data']['id'];
header ( "Location: " . $redirect_url ); # send them to referring page where resulting messages will be displayed
exit;
}
# DO NOT include the code above on PayPalP Pay Subscription Page
# End-of-Housekeeping
$member_id = $_GET['memid'];
$property_id = $_GET['propid'];
// If you face any errors, increase values of "post_max_size", "upload_max_filesize" and "memory_limit" as required in php.ini
//Some Settings
$ThumbSquareSize = 100; //Thumbnail will be 100x100
$BigImageMaxSize = 1000; //Image Maximum height or width
$ThumbPrefix = "thumb_"; //Normal thumb Prefix
$DestinationDirectory = PROPERTY_IMG_FOLDER; //Upload Directory ends with / (slash)
$Quality = 90;
//ini_set('memory_limit', '-1'); // maximum memory!
foreach($_FILES as $file){
// some information about image we need later.
$ImageName = $file['name'];
$ImageSize = $file['size'];
$TempSrc = $file['tmp_name'];
$ImageType = $file['type'];
if (is_array($ImageName)){
$c = count($ImageName);
echo '<table width="100%" border="0" cellpadding="4" cellspacing="0">';
echo '<tr>';
if ($_POST['max-to-upload'] < 0){
$max_to_upload = 0;
} else {
$max_to_upload = $_POST['max-to-upload'];
}
for ($i=0; $i < $c; $i++){
if ($max_to_upload == 0){
echo '<div class="error">Only 10 files in total allowed!<br>Delete some to upload more.</div>';
break;
}
$max_to_upload--;
$processImage = true;
if(!isset($ImageName[$i]) || !is_uploaded_file($TempSrc[$i])){
echo '<div class="error">Error occurred while trying to process <strong>'.$ImageName[$i].'</strong>, may be file too big!</div>'; //output error
} else {
//Validate file + create image from uploaded file.
switch(strtolower($ImageType[$i]))
{
case 'image/png':
$CreatedImage = imagecreatefrompng($TempSrc[$i]);
break;
case 'image/gif':
$CreatedImage = imagecreatefromgif($TempSrc[$i]);
break;
case 'image/jpeg':
case 'image/pjpeg':
$CreatedImage = imagecreatefromjpeg($TempSrc[$i]);
break;
default:
$processImage = false; //image format is not supported!
}
//get Image Size
list($CurWidth,$CurHeight)=getimagesize($TempSrc[$i]);
//Get file extension from Image name, this will be re-added after random name
$ImageExt = substr($ImageName[$i], strrpos($ImageName[$i], '.'));
$ImageExt = str_replace('.','',$ImageExt);
//Construct a new image name (with time plus counter) for our new image.
$NewImageName = $member_id . $property_id . time()+$i . '.' . $ImageExt;
//Set the Destination Image path with Random Name
$thumb_DestRandImageName = $DestinationDirectory.$ThumbPrefix.$NewImageName; //Thumb name
$DestRandImageName = $DestinationDirectory.$NewImageName; //Name for Big Image
//Resize image to our Specified Size by calling resizeImage function.
if($processImage && resizeImage($CurWidth,$CurHeight,$BigImageMaxSize,$DestRandImageName,$CreatedImage,$Quality,$ImageType[$i])){
//Create a square Thumbnail right after, this time we are using cropImage() function
if(!cropImage($CurWidth,$CurHeight,$ThumbSquareSize,$thumb_DestRandImageName,$CreatedImage,$Quality,$ImageType[$i])){
echo 'Error Creating thumbnail';
} # /if !cropImage
/*
At this point we have succesfully resized and created thumbnail image
We can render image to user's browser and/or store information in the database
*/
//Get New Image Size
list($ResizedWidth,$ResizedHeight)=getimagesize($DestRandImageName);
echo '<td align="center"><a href="' . PROPERTY_IMG_FOLDER . $NewImageName . '" data-rel="popup" data-transition="pop" class="ui-btn-' . $_SESSION['login_data']['data_theme'] . '"><img src="' . PROPERTY_IMG_FOLDER . $ThumbPrefix.$NewImageName . '" alt="Thumbnail" height="100px" width="100px"></a></td>';
// Insert info into database table
$sql = "INSERT INTO " . DBPREFIX . "tbl_property_picture (property_id,landlord_id,picture_path,picture_filename,picture_thumbname)
VALUES (" . $property_id . "," . $member_id . ",'" . PROPERTY_IMG_FOLDER . "','" . $NewImageName . "','" . $ThumbPrefix.$NewImageName . "')";
if (!db($sql)){
echo '<div class="error">Error inserting into database</div>';
}
} else {
echo '<div class="error">Error occurred while trying to process <strong>'.$ImageName[$i].'</strong>! Please check if file is supported</div>'; //output error
} # /if $processImage && resizeImage
} # /else (!isset($ImageName[$i]) || !is_uploaded_file($TempSrc[$i]))
} # /for
echo '</tr>';
echo '</table>';
} # /is_array($ImageName
} # /foreach
// This function will proportionally resize image
function resizeImage($CurWidth,$CurHeight,$MaxSize,$DestFolder,$SrcImage,$Quality,$ImageType)
{
//Check Image size is not 0
if($CurWidth <= 0 || $CurHeight <= 0)
{
return false;
}
//Construct a proportional size of new image
$ImageScale = min($MaxSize/$CurWidth, $MaxSize/$CurHeight);
$NewWidth = ceil($ImageScale*$CurWidth);
$NewHeight = ceil($ImageScale*$CurHeight);
if($CurWidth < $NewWidth || $CurHeight < $NewHeight)
{
$NewWidth = $CurWidth;
$NewHeight = $CurHeight;
}
$NewCanves = imagecreatetruecolor($NewWidth, $NewHeight);
// Resize Image
if(imagecopyresampled($NewCanves, $SrcImage,0, 0, 0, 0, $NewWidth, $NewHeight, $CurWidth, $CurHeight))
{
switch(strtolower($ImageType))
{
case 'image/png':
imagepng($NewCanves,$DestFolder);
break;
case 'image/gif':
imagegif($NewCanves,$DestFolder);
break;
case 'image/jpeg':
case 'image/pjpeg':
imagejpeg($NewCanves,$DestFolder,$Quality);
break;
default:
return false;
}
if(is_resource($NewCanves)) {
imagedestroy($NewCanves);
}
return true;
}
}
//This function corps image to create exact square images, no matter what its original size!
function cropImage($CurWidth,$CurHeight,$iSize,$DestFolder,$SrcImage,$Quality,$ImageType)
{
//Check Image size is not 0
if($CurWidth <= 0 || $CurHeight <= 0){
return false;
}
//abeautifulsite.net has excellent article about "Cropping an Image to Make Square"
//http://www.abeautifulsite.net/blog/2009/08/cropping-an-image-to-make-square-thumbnails-in-php/
if($CurWidth>$CurHeight){
$y_offset = 0;
$x_offset = ($CurWidth - $CurHeight) / 2;
$square_size = $CurWidth - ($x_offset * 2);
} else {
$x_offset = 0;
$y_offset = ($CurHeight - $CurWidth) / 2;
$square_size = $CurHeight - ($y_offset * 2);
} # /else
$NewCanves = imagecreatetruecolor($iSize, $iSize);
if(imagecopyresampled($NewCanves, $SrcImage,0, 0, $x_offset, $y_offset, $iSize, $iSize, $square_size, $square_size)){
switch(strtolower($ImageType)){
case 'image/png':
imagepng($NewCanves,$DestFolder);
break;
case 'image/gif':
imagegif($NewCanves,$DestFolder);
break;
case 'image/jpeg':
case 'image/pjpeg':
imagejpeg($NewCanves,$DestFolder,$Quality);
break;
default:
return false;
} # /switch
if(is_resource($NewCanves)) {
imagedestroy($NewCanves);
} # /if is_resource
return true;
} # /if imagecopyresampled
} # /function
?>
有人可以指点我一个解决方案，谢谢......