JQuery上传插件uploadify优化

 1 if (flashInstalled) {
 2     var swfuploadify = new SWFUpload(swfUploadSettings); ;
 3 
 4     // Add the SWFUpload object to the elements data object
 5     $this.data(‘uploadify‘, swfuploadify);
 6 
 7     $(‘#‘ + swfuploadify.movieName).parent().attr(‘id‘, settings.id).addClass(‘uploadify‘).css({
 8         ‘height‘: settings.height + ‘px‘,
 9         ‘width‘: settings.width + ‘px‘
10     });
11 
12     // Recreate the reference to wrapper
13     var $wrapper = $(‘#‘ + settings.id);
14     // Add the data object to the wrapper 
15     $wrapper.data(‘uploadify‘, swfuploadify);
16 
17     // Create the button
18     var $button = $(‘<div />‘, {
19         ‘id‘: settings.id + ‘-button‘,
20         ‘class‘: ‘uploadify-button ‘ + settings.buttonClass
21     });
22     if (settings.buttonImage) {
23         $button.css({
24             ‘background-image‘: "url(‘" + settings.buttonImage + "‘)",
25             ‘text-indent‘: ‘-9999px‘
26         });
27     }
28     $button.html(‘<span class="uploadify-button-text">‘ + settings.buttonText + ‘</span>‘)
29     .css({
30         ‘height‘: settings.height + ‘px‘,
31         ‘line-height‘: settings.height + ‘px‘,
32         ‘width‘: settings.width + ‘px‘,
33         ‘margin-top‘: ‘-‘ + settings.height + ‘px‘
34     });
35     // Append the button to the wrapper
36     $wrapper.append($button);
37 
38     // Create the file queue
39     if (!settings.queueID) {
40         var $queue = $(‘<div />‘, {
41             ‘id‘: settings.id + ‘-queue‘,
42             ‘class‘: ‘uploadify-queue‘
43         });
44         $wrapper.after($queue);
45         swfuploadify.settings.queueID = settings.id + ‘-queue‘;
46         swfuploadify.settings.defaultQueue = true;
47     }
48 
49     // Create some queue related objects and variables
50     swfuploadify.queueData = {
51         files: {}, // The files in the queue
52         filesSelected: 0, // The number of files selected in the last select operation
53         filesQueued: 0, // The number of files added to the queue in the last select operation
54         filesReplaced: 0, // The number of files replaced in the last select operation
55         filesCancelled: 0, // The number of files that were cancelled instead of replaced
56         filesErrored: 0, // The number of files that caused error in the last select operation
57         uploadsSuccessful: 0, // The number of files that were successfully uploaded
58         uploadsErrored: 0, // The number of files that returned errors during upload
59         averageSpeed: 0, // The average speed of the uploads in KB
60         queueLength: 0, // The number of files in the queue
61         queueSize: 0, // The size in bytes of the entire queue
62         uploadSize: 0, // The size in bytes of the upload queue
63         queueBytesUploaded: 0, // The size in bytes that have been uploaded for the current upload queue
64         uploadQueue: [], // The files currently to be uploaded
65         errorMsg: ‘某些文件无法加入到上传队列中:‘
66     };
67 
68     // Save references to all the objects
69     //swfuploadify.original = $clone;
70     //swfuploadify.wrapper = $wrapper;
71     //swfuploadify.button = $button;
72     swfuploadify.queue = $queue;
73 
74     // Call the user-defined init event handler
75     if (settings.onInit) settings.onInit.call($this, swfuploadify);
76 
77 } else {
78 
79     // Call the fallback function
80     if (settings.onFallback) settings.onFallback.call($this);
81 
82 }

// Triggered when a file is not added to the queue
onSelectError : function(file, errorCode, errorMsg) {
    // Load the swfupload settings
    var settings = this.settings;

    // Run the default event handler
    if ($.inArray(‘onSelectError‘, settings.overrideEvents) < 0) {
        switch(errorCode) {
            case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
                if (settings.queueSizeLimit > errorMsg) {
                    this.queueData.errorMsg += ‘\nThe number of files selected exceeds the remaining upload limit (‘ + errorMsg + ‘).‘;
                } else {
                    this.queueData.errorMsg += ‘\nThe number of files selected exceeds the queue size limit (‘ + settings.queueSizeLimit + ‘).‘;
                }
                break;
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                this.queueData.errorMsg += ‘\nThe file "‘ + file.name + ‘" exceeds the size limit (‘ + settings.fileSizeLimit + ‘).‘;
                break;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                this.queueData.errorMsg += ‘\nThe file "‘ + file.name + ‘" is empty.‘;
                break;
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:　　　　　　//这边bug  SWFUpload.QUEUE_ERROR.INVALID_FILETYPE
                this.queueData.errorMsg += ‘\nThe file "‘ + file.name + ‘" is not an accepted file type (‘ + settings.fileTypeDesc + ‘).‘;
                break;
        }
    }
    if (errorCode != SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
        delete this.queueData.files[file.id];
    }

    // Call the user-defined event handler
    if (settings.onSelectError) settings.onSelectError.apply(this, arguments);
},