Multiple File Upload With Progress Bar

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    For this tutorial, you will need the all powerful jQuery library(latest version) and SWFUpload jQuery Plugin.

    Folder Structure

    Place the jQuery library in js folder, extract the SWFUpload jQuery Plugin somewhere and copy the jquery.swfupload.js in the src folder to the js folder. Also, copy the swfupload folder inside vendor folder of SWFUpload jQuery Plugin to js Folder. Here’s what your folder structure should look like.

    Folder Structure

    Add reference to jQuery library and then jquery.swfupload.js in the head tag of your page.

    HTML Structure

    Since we will be using SWFUpload, we’ll need a container that will act as placeholder for SWFUpload button, and a list to show the queue of files.

    Upload upto 5 image files(jpg, png, gif), each having maximum size of 1MB(Use Ctrl/Shift to select multiple files)

      CSS Styles

      Here are some CSS styles to stylize our File Uploader, modify them as you want. Important ones are .progressbar and .progress that define the progress bar for file upload, you can adjust their height and color.

      #swfupload-control p{ margin:10px 5px; font-size:0.9em; }  
      #log{ margin:0; padding:0; width:500px;}  
      #log li{ list-style-position:inside; margin:2px; border:1px solid #ccc; padding:10px; font-size:12px;   
          font-family:Arial, Helvetica, sans-serif; color:#333; background:#fff; position:relative;}  
      #log li .progressbar{ border:1px solid #333; height:5px; background:#fff; }  
      #log li .progress{ background:#999; width:0%; height:5px; }  
      #log li p{ margin:0; line-height:18px; }  
      #log li.success{ border:1px solid #339933; background:#ccf9b9; }  
      #log li span.cancel{ position:absolute; top:5px; rightright:5px; width:20px; height:20px;   
          background:url('js/swfupload/cancel.png') no-repeat; cursor:pointer; } 

      The JavaScript Code

      The JavaScript code is a bit bulkier but it is not that difficult to understand as it looks.

              upload_url: "upload-file.php",  
              file_post_name: 'uploadfile',  
              file_size_limit : "1024",  
              file_types : "*.jpg;*.png;*.gif",  
              file_types_description : "Image files",  
              file_upload_limit : 5,  
              flash_url : "js/swfupload/swfupload.swf",  
              button_image_url : 'js/swfupload/wdp_buttons_upload_114x29.png',  
              button_width : 114,  
              button_height : 29,  
              button_placeholder : $('#button')[0],  
              debug: false  
              .bind('fileQueued', function(event, file){  
                  var listitem='
    1. '+ 'File: '' ('+Math.round(file.size/1024)+' KB) '+ '
      '+ '


      '+ ' '+ '
    2. '; $('#log').append(listitem); $('li#'' .cancel').bind('click', function(){ //Remove from queue on cancel click var swfu = $.swfupload.getInstance('#swfupload-control'); swfu.cancelUpload(; $('li#''fast'); }); // start the upload since it's queued $(this).swfupload('startUpload'); }) .bind('fileQueueError', function(event, file, errorCode, message){ alert('Size of the file '' is greater than limit'); }) .bind('fileDialogComplete', function(event, numFilesSelected, numFilesQueued){ $('#queuestatus').text('Files Selected: '+numFilesSelected+' / Queued Files: '+numFilesQueued); }) .bind('uploadStart', function(event, file){ $('#log li#''p.status').text('Uploading...'); $('#log li#''span.progressvalue').text('0%'); $('#log li#''span.cancel').hide(); }) .bind('uploadProgress', function(event, file, bytesLoaded){ //Show Progress var percentage=Math.round((bytesLoaded/file.size)*100); $('#log li#''div.progress').css('width', percentage+'%'); $('#log li#''span.progressvalue').text(percentage+'%'); }) .bind('uploadSuccess', function(event, file, serverData){ var item=$('#log li#'; item.find('div.progress').css('width', '100%'); item.find('span.progressvalue').text('100%'); var pathtofile='view »'; item.addClass('success').find('p.status').html('Done!!! | '+pathtofile); }) .bind('uploadComplete', function(event, file){ // upload has completed, try the next one in the queue $(this).swfupload('startUpload'); }) });


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