我对 Jquery 库 Plupload 有一个奇怪的问题 http://www.plupload.com .我已将它添加到我的网站，它“似乎”在工作，但实际上没有。当您选择一个文件时，它看起来像是正在上传，甚至在完成时说完成，但文件从未出现在我的服务器上，也没有报告任何错误。

可以看到 uploader 在“工作”...或不在此处，当文件正确上传时，刷新页面应该使它们在该页面上显示为缩略图 >> http://www.towerroadacademy.co.uk/index.php/slideshow-editor

我在 index.php 头中使用的 Jquery 如下 >>

<!-- Load Queue widget CSS and jQuery -->
<style type="text/css">@import url(/plupload/js/jquery.plupload.queue/css/jquery.plupload.queue.css);</style>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>

<!-- Third party script for BrowserPlus runtime (Google Gears included in Gears runtime now) -->
<script type="text/javascript" src="http://bp.yahooapis.com/2.4.21/browserplus-min.js"></script>

<!-- Load plupload and all it's runtimes and finally the jQuery queue widget -->
<script type="text/javascript" src="/plupload/js/plupload.full.js"></script>
<script type="text/javascript" src="/plupload/js/jquery.plupload.queue/jquery.plupload.queue.js"></script>

<script type="text/javascript">
// Convert divs to queue widgets when the DOM is ready
var $j = jQuery.noConflict();
$j(function() {
function log() {
var str = "";

plupload.each(arguments, function(arg) {
    var row = "";

    if (typeof(arg) != "string") {
        plupload.each(arg, function(value, key) {
            // Convert items in File objects to human readable form
            if (arg instanceof plupload.File) {
                // Convert status to human readable
                switch (value) {
                    case plupload.QUEUED:
                        value = 'QUEUED';
                        break;

                    case plupload.UPLOADING:
                        value = 'UPLOADING';
                        break;

                    case plupload.FAILED:
                        value = 'FAILED';
                        break;

                    case plupload.DONE:
                        value = 'DONE';
                        break;
                }
            }

            if (typeof(value) != "function") {
                row += (row ? ', ' : '') + key + '=' + value;
            }
        });

        str += row + " ";
    } else { 
        str += arg + " ";
    }
});

$j('#log').append(str + "\n");
}

$j("#uploader").pluploadQueue({
// General settings
runtimes : 'flash,gears,flash,silverlight,browserplus,html5',
url : '/plupload/upload.php',
max_file_size : '10mb',
chunk_size : '1mb',
unique_names : true,

// Resize images on clientside if we can
resize : {width : 320, height : 240, quality : 90},

// Specify what files to browse for
filters : [
    {title : "Image files", extensions : "jpg,gif,png"},
    {title : "Zip files", extensions : "zip"}
],

// Flash settings
flash_swf_url : '/plupload/js/plupload.flash.swf',

// Silverlight settings
silverlight_xap_url : '/plupload/js/plupload.silverlight.xap',

// PreInit events, bound before any internal events
preinit : {
    Init: function(up, info) {
        log('[Init]', 'Info:', info, 'Features:', up.features);
    },

    UploadFile: function(up, file) {
        log('[UploadFile]', file);

        // You can override settings before the file is uploaded
        // up.settings.url = 'upload.php?id=' + file.id;
        // up.settings.multipart_params = {param1 : 'value1', param2 : 'value2'};
    }
},

// Post init events, bound after the internal events
init : {
    Refresh: function(up) {
        // Called when upload shim is moved
        log('[Refresh]');
    },

    StateChanged: function(up) {
        // Called when the state of the queue is changed
        log('[StateChanged]', up.state == plupload.STARTED ? "STARTED" : "STOPPED");
    },

    QueueChanged: function(up) {
        // Called when the files in queue are changed by adding/removing files
        log('[QueueChanged]');
    },

    UploadProgress: function(up, file) {
        // Called while a file is being uploaded
        log('[UploadProgress]', 'File:', file, "Total:", up.total);
    },

    FilesAdded: function(up, files) {
        // Callced when files are added to queue
        log('[FilesAdded]');

        plupload.each(files, function(file) {
            log('  File:', file);
        });
    },

    FilesRemoved: function(up, files) {
        // Called when files where removed from queue
        log('[FilesRemoved]');

        plupload.each(files, function(file) {
            log('  File:', file);
        });
    },

    FileUploaded: function(up, file, info) {
        // Called when a file has finished uploading
        log('[FileUploaded] File:', file, "Info:", info);
    },

    ChunkUploaded: function(up, file, info) {
        // Called when a file chunk has finished uploading
        log('[ChunkUploaded] File:', file, "Info:", info);
    },

    Error: function(up, args) {
        // Called when a error has occured
        log('[error] ', args);
    }
}
});
});
</script>

在 upload.php 文件中我有很多默认设置 >>

<?php
/**
 * upload.php
 *
 * Copyright 2009, Moxiecode Systems AB
 * Released under GPL License.
 *
 * License: http://www.plupload.com/license
 * Contributing: http://www.plupload.com/contributing
 */

// HTTP headers for no cache etc
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");

// Settings
$targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";
//$targetDir = 'uploads';

$cleanupTargetDir = true; // Remove old files
$maxFileAge = 5 * 3600; // Temp file age in seconds

// 5 minutes execution time
@set_time_limit(5 * 60);

// Uncomment this one to fake upload time
// usleep(5000);

// Get parameters
$chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
$chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 0;
$fileName = isset($_REQUEST["name"]) ? $_REQUEST["name"] : '';

// Clean the fileName for security reasons
$fileName = preg_replace('/[^\w\._]+/', '_', $fileName);

// Make sure the fileName is unique but only if chunking is disabled
if ($chunks < 2 && file_exists($targetDir . DIRECTORY_SEPARATOR . $fileName)) {
    $ext = strrpos($fileName, '.');
    $fileName_a = substr($fileName, 0, $ext);
    $fileName_b = substr($fileName, $ext);

    $count = 1;
    while (file_exists($targetDir . DIRECTORY_SEPARATOR . $fileName_a . '_' . $count . $fileName_b))
        $count++;

    $fileName = $fileName_a . '_' . $count . $fileName_b;
}

$filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;

// Create target dir
if (!file_exists($targetDir))
    @mkdir($targetDir);

// Remove old temp files    
if ($cleanupTargetDir && is_dir($targetDir) && ($dir = opendir($targetDir))) {
    while (($file = readdir($dir)) !== false) {
        $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;

        // Remove temp file if it is older than the max age and is not the current file
        if (preg_match('/\.part$/', $file) && (filemtime($tmpfilePath) < time() - $maxFileAge) && ($tmpfilePath != "{$filePath}.part")) {
            @unlink($tmpfilePath);
        }
    }

    closedir($dir);
} else
    die('{"jsonrpc" : "2.0", "error" : {"code": 100, "message": "Failed to open temp directory."}, "id" : "id"}');


// Look for the content type header
if (isset($_SERVER["HTTP_CONTENT_TYPE"]))
    $contentType = $_SERVER["HTTP_CONTENT_TYPE"];

if (isset($_SERVER["CONTENT_TYPE"]))
    $contentType = $_SERVER["CONTENT_TYPE"];

// Handle non multipart uploads older WebKit versions didn't support multipart in HTML5
if (strpos($contentType, "multipart") !== false) {
    if (isset($_FILES['file']['tmp_name']) && is_uploaded_file($_FILES['file']['tmp_name'])) {
        // Open temp file
        $out = fopen("{$filePath}.part", $chunk == 0 ? "wb" : "ab");
        if ($out) {
            // Read binary input stream and append it to temp file
            $in = fopen($_FILES['file']['tmp_name'], "rb");

            if ($in) {
                while ($buff = fread($in, 4096))
                    fwrite($out, $buff);
            } else
                die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');
            fclose($in);
            fclose($out);
            @unlink($_FILES['file']['tmp_name']);
        } else
            die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
    } else
        die('{"jsonrpc" : "2.0", "error" : {"code": 103, "message": "Failed to move uploaded file."}, "id" : "id"}');
} else {
    // Open temp file
    $out = fopen("{$filePath}.part", $chunk == 0 ? "wb" : "ab");
    if ($out) {
        // Read binary input stream and append it to temp file
        $in = fopen("php://input", "rb");

        if ($in) {
            while ($buff = fread($in, 4096))
                fwrite($out, $buff);
        } else
            die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": "Failed to open input stream."}, "id" : "id"}');

        fclose($in);
        fclose($out);
    } else
        die('{"jsonrpc" : "2.0", "error" : {"code": 102, "message": "Failed to open output stream."}, "id" : "id"}');
}

// Check if file has been uploaded
if (!$chunks || $chunk == $chunks - 1) {
    // Strip the temp .part suffix off 
    rename("{$filePath}.part", $filePath);
}


// Return JSON-RPC response
die('{"jsonrpc" : "2.0", "result" : null, "id" : "id"}');

?>