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【PHP】 swfupload 批量上传
作者:Dezai.CN / 发布于2011/8/7/ 659
<div>//首先 准备 swfupload 包
//前端用户体验页面
<!DOCTYPE html>
<html>
<head>
<title>SWFUpload Demos - Application Demo</title>
<link href="./default.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="./swfupload/swfupload.js"></script>
<script type="text/javascript" src="./swfupload/jquery-1.4.js"></script>
<script type="text/javascript" src="js/handlers.js"></script>
<script type="text/javascript">
$(function(){
$('#btn').bind('click',path);</div>
<div>});</div>
<div>function path()
{
var url='';
$('#thumbnails img').each(function(){
url=$(this).attr('id')+'{#@T@#}'+url;
})
alert(url);
}
<div> var swfu;
 window.onload = function () {
 swfu = new SWFUpload({
 // Backend Settings
 upload_url: "upload.php",
 post_params: {"PHPSESSID": "<?php echo session_id(); ?>"},</div>
<div> // File Upload Settings
 file_size_limit : "800", // 2MB 最大容量限制
 file_types : "*.jpg",
 file_types_description : "JPG Images",
 file_upload_limit : 5,//上传数量限制</div>
<div> // Event Handler Settings - these functions as defined in Handlers.js
 // The handlers are not part of SWFUpload but are part of my website and control how
 // my website reacts to the SWFUpload events.
 swfupload_preload_handler : preLoad,
 swfupload_load_failed_handler : loadFailed,
 file_queue_error_handler : fileQueueError,
 file_dialog_complete_handler : fileDialogComplete,
 upload_progress_handler : uploadProgress,
 upload_error_handler : uploadError,
 upload_success_handler : uploadSuccess,
 upload_complete_handler : uploadComplete,</div>
<div> // Button Settings
 button_image_url : "images/SmallSpyGlassWithTransperancy_17x18.png",
 button_placeholder_id : "spanButtonPlaceholder",
 button_width: 200,
 button_height: 18,
 button_text : '<span class="button">Select Images <span class="buttonSmall">(800 k Max)[*.jpeg]</span></span>',
 button_text_style : '.button { font-family: Helvetica, Arial, sans-serif; font-size: 12pt; } .buttonSmall { font-size: 10pt; }',
 button_text_top_padding: 0,
 button_text_left_padding: 18,
 button_window_mode: SWFUpload.WINDOW_MODE.TRANSPARENT,
 button_cursor: SWFUpload.CURSOR.HAND,
 
 // Flash Settings
 flash_url : "./swfupload/swfupload.swf",
 flash9_url : "./swfupload/swfupload_FP9.swf",</div>
<div> custom_settings : {
 upload_target : "divFileProgressContainer"
 },
 
 // Debug Settings
 debug: false
 });
 };
</script>
</head>
<body>
<h2>最多上传5张图片<h2>
<form>
 <div style="width: 200px; height: 18px; border: solid 1px #7FAAFF; background-color: #C5D9FF; padding: 2px;">
 <span id="spanButtonPlaceholder"></span>
 </div>
</form>
<div id="divFileProgressContainer" style="height: 75px;"></div>
<div id="thumbnails" style='width:500px;border:1px solid lime;padding-left:20px'></div>
</div>
<button id='btn'>提交</button>
</body>
</html></div>
<div>//后台处理页面 upload.php
<?php
 
if (isset($_POST["PHPSESSID"])) {
 session_id($_POST["PHPSESSID"]);
}
<div>session_start();
ini_set("html_errors", "0");</div>
<div>// Check the upload
if (!isset($_FILES["Filedata"]) || !is_uploaded_file($_FILES["Filedata"]["tmp_name"]) || $_FILES["Filedata"]["error"] != 0) {
 echo "ERROR:invalid upload";
 exit(0);
}
<div>// Get the image and create a thumbnail
$img = imagecreatefromjpeg($_FILES["Filedata"]["tmp_name"]);
if (!$img) {
 echo "ERROR:could not create image handle ". $_FILES["Filedata"]["tmp_name"];
 exit(0);
}
<div>$width = imageSX($img);
$height = imageSY($img);</div>
if (!$width || !$height) {
 echo "ERROR:Invalid width or height";
 exit(0);
}
<div>// Build the thumbnail
$target_width = 100;
$target_height = 100;
$target_ratio = $target_width / $target_height;</div>
<div>$img_ratio = $width / $height;</div>
if ($target_ratio > $img_ratio) {
 $new_height = $target_height;
 $new_width = $img_ratio * $target_height;
} else {
 $new_height = $target_width / $img_ratio;
 $new_width = $target_width;
}
if ($new_height > $target_height) {
 $new_height = $target_height;
}
if ($new_width > $target_width) {
 $new_height = $target_width;
}
<div>$new_img = ImageCreateTrueColor(100, 100);
if (<a href="mailto:!@imagefilledrectangle($new_img">!@imagefilledrectangle($new_img</a>, 0, 0, $target_width-1, $target_height-1, 0)) { // Fill the image black
 echo "ERROR:Could not fill new image";
 exit(0);
}
if (<a href="mailto:!@imagecopyresampled($new_img">!@imagecopyresampled($new_img</a>, $img, ($target_width-$new_width)/2, ($target_height-$new_height)/2, 0, 0, $new_width, $new_height, $width, $height)) {
 echo "ERROR:Could not resize image";
 exit(0);
}
if (!isset($_SESSION["file_info"])) {
 $_SESSION["file_info"] = array();
}
<div>// Use a output buffering to load the image into a variable
ob_start();
imagejpeg($new_img);
$imagevariable = ob_get_contents();
ob_end_clean();
$file_id = md5($_FILES["Filedata"]["tmp_name"] + rand()*100000);
$_SESSION["file_info"][$file_id] = $imagevariable;
//上传图片处理</div>
if(!is_dir("uploadimage"))
{
 mkdir("uploadimage");
}
$pre_fix=md5('120ask120');
 move_uploaded_file($_FILES["Filedata"]["tmp_name"],trim("./uploadimage/".$pre_fix.$file_id.".jpg"));
/*图片处理结束*/ 
echo "FILEID:" . $file_id; // Return the file id to the script

?></div>
<div></div>
<div></div>
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