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AJAX file upload

Ever wanted to upload files using AJAX like in GMAIL, without reloading the page? Now you can. Cross browser method to upload files using AJAX in only 1Kb of code.
How to use AJAX file upload you can find on this script homepage - free code and tutorials website.

/**
*
*  AJAX IFRAME METHOD (AIM)
*  http://www.webtoolkit.info/
*
**/

AIM = {

	frame : function(c) {

		var n = 'f' + Math.floor(Math.random() * 99999);
		var d = document.createElement('DIV');
		d.innerHTML = '<iframe style="display:none" src="about:blank" id="'+n+'" name="'+n+'" onload="AIM.loaded(\''+n+'\')"></iframe>';
		document.body.appendChild(d);

		var i = document.getElementById(n);
		if (c && typeof(c.onComplete) == 'function') {
			i.onComplete = c.onComplete;
		}

		return n;
	},

	form : function(f, name) {
		f.setAttribute('target', name);
	},

	submit : function(f, c) {
		AIM.form(f, AIM.frame(c));
		if (c && typeof(c.onStart) == 'function') {
			return c.onStart();
		} else {
			return true;
		}
	},

	loaded : function(id) {
		var i = document.getElementById(id);
		if (i.contentDocument) {
			var d = i.contentDocument;
		} else if (i.contentWindow) {
			var d = i.contentWindow.document;
		} else {
			var d = window.frames[id].document;
		}
		if (d.location.href == "about:blank") {
			return;
		}

		if (typeof(i.onComplete) == 'function') {
			i.onComplete(d.body.innerHTML);
		}
	}

}
to javascript ajax file upload by justas on Jun 06, 2007

FILE UPLOADING WITH UNIQUE NAME

src_filename = params[:file][:name] 
if !src_filename.original_filename.empty? 
  hashed_name = Digest::SHA1.hexdigest(Time.now.to_s) 
  filename = "#{RAILS_ROOT}/public/attachments/" + hashed_name + "_" + src_filename.original_filename 
  if File.open(filename, 'w'){ |f| f.write(src_filename.read) }  
     attachment = Attachment.new 
     attachment.name = src_filename.original_filename 
     attachment.hashed_name = hashed_name 
     attachment.size = src_filename.size 
     comment.attachments << attachment 
  end  
end
to rails file upload by sur on Jul 06, 2006

uploader.func.php

// Uploader.func.php, called by: uploader();

<?
function uploader($num_of_uploads=1, $file_types_array=array("mp3"), $max_file_size=10485760, $upload_dir="../mp3s/"){
  if(!is_numeric($max_file_size)){
   $max_file_size = 10485760;  // 10MB
  }
  if(!isset($_POST["submitted"])){
   $form = "<form action='".$PHP_SELF."' method='post' enctype='multipart/form-data'>";
   $form .= "<p><span class=artist>Artist:</span><br><input type='text' name='artist' value=\"".htmlentities(stripslashes($row['artist']))."\"></p>";
   $form .= "<p><span class=artist>Song:</span><br><input type='text' name='song' value=\"".htmlentities(stripslashes($row['song']))."\"></p>";
   $form .= "<p><span class=artist>Genre:</span><br><input type='text' name='genre' value=\"".htmlentities(stripslashes($row['genre']))."\"></p>";
   $form .= "<p><span class=artist>MP3:</span><br><input type='hidden' name='submitted' value='TRUE' id='".time()."'><input type='hidden' name='MAX_FILE_SIZE' value='".$max_file_size."'>";
  // Upload files:<br /><input type='hidden' name='submitted' value='TRUE' id='".time()."'><input type='hidden' name='MAX_FILE_SIZE' value='".$max_file_size."'>";
   
   
   for($x=0;$x<$num_of_uploads;$x++){
     $form .= "<input type='file' name='file[]'><br />";
   }
   $form .= "<br />Depending on the size of the MP3, this may take several minutes!<br /><br /><input type='submit' value='Submit Entry'> Valid file type(s): ";
   for($x=0;$x<count($file_types_array);$x++){
     if($x<count($file_types_array)-1){
       $form .= $file_types_array[$x].", ";
     }else{
       $form .= $file_types_array[$x].".";
     }
   }
   $form .= "</form>";
   echo($form);
  }else{
   foreach($_FILES["file"]["error"] as $key => $value){
     if($_FILES["file"]["name"][$key]!=""){
       if($value==UPLOAD_ERR_OK){
       	
       	 $origfilename = $_FILES["file"]["name"][$key];
         $filename = explode(".", $_FILES["file"]["name"][$key]);
         $filenameext = $filename[count($filename)-1];
         unset($filename[count($filename)-1]);
         $filename = implode(".", $filename);
       //  $filename = substr($filename, 0, 15).".".$filenameext;
      $date = date("mdY"); 
  			$time = date("His");
    //  $artist = $_POST['artist'];
    //  $song = $_POST['song'];
      
       $filename = $date.$time.".".$filenameext;
       // $filename = $artist."-".$song.".".$filenameext;
         $file_ext_allow = FALSE;
         for($x=0;$x<count($file_types_array);$x++){
           if($filenameext==$file_types_array[$x]){
             $file_ext_allow = TRUE;
           }
         }
         if($file_ext_allow){
           if($_FILES["file"]["size"][$key]<$max_file_size){
             if(move_uploaded_file($_FILES["file"]["tmp_name"][$key], $upload_dir.$filename)){
             	
             	//	$mp3_upload = $_FILES['mp3_name'];
           	$file_size = $_FILES['file']['size'][$key];
           	
           //	$date = date("mdY"); 
  			//$time = date("His");
  			//$mp3_dir = "mp3";
           	
           $filename = $date.$time.".mp3";
			// Store the orignal file
			//copy($mp3_upload, $mp3_dir."/".$filename);
             	
             	
             	  $query = "INSERT INTO music_archives SET "
  				." artist='".addslashes($_POST['artist'])."'"
				.", song='".addslashes($_POST['song'])."'"
				.", genre='".addslashes($_POST['genre'])."'"
				.", mp3_name='$filename'"
				.", mp3_size='$file_size'"
				.", entry=now()";
  $result = mysql_query($query) or die("Error: ".mysql_error());
         ?>
         
          <script language="JavaScript">

  var count= 0



  function wait() {

    count ++

    if(count == 1 ){

      window.document.location.href='adminadd.php'

    }

    else{

      setTimeout("wait()",1000)

    }

  }



  wait();

  </script>

         
         <?    	
              // echo("File uploaded successfully. - <a href='".$upload_dir.$filename."' target='_blank'>".$filename."</a><br />");
             }else{
               echo($origfilename." was not successfully uploaded<br />");
             }
           }else{
             echo($origfilename." was too big, not uploaded<br />");
           }
         }else{
           echo($origfilename." had an invalid file extension, not uploaded<br />");
         }
       }else{
         echo($origfilename." was not successfully uploaded<br />");
       }
     }
   }
  }
}
?>
to php function file upload by mjlintz on May 04, 2006
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