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swfupload-paperclip-image
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资源说明：upload multiple pictures
swfupload is widely used on many web apps，especially the ones powered by ruby on rails.Compared to Paperclip, which only can upload apicture a time，swfupload enables users to upload multiple pictures at same time with a very user-friendly interface and minimized number of clicks.

Enviroment：rails 2.3.5   database: mysql

The following address:
git clone git@github.com:liyunqiang/swfupload-paperclip-image.git

Just make sure you have the required gems, run the database migration, and start the server.

rake db:create  //note password same
rake gems:install
rake db:migrate
script/server

browse to http://localhost:3000/photos/new

below is the controller code that creates and stores the photos.
photos_controller.rb
def create
   @photo = Photo.new(:swfupload_file => params[:Filedata])
   if @photo.save
     render :text => "#{@photo.file.url(:medium)}"
     //text content is photo url
   end
end

Below is the javascript that works with swf component.
handlers.js
function uploadSuccess(file, serverData) {
    //serverDate is photos_controller render text content, this is photo url
	try {
		var progress = new FileProgress(file,  this.customSettings.upload_target);

		if (serverData.substring(0, 11) === "/attachment") {
			addImage(serverData);//to  addImage method
			progress.setStatus("Upload Successfull.");
			progress.toggleCancel(false);
		} else {

			addImage("/images/swfupload/error.gif");
			progress.setStatus("Error.");
			progress.toggleCancel(false);


		}
	} catch (ex) {
		this.debug(ex);
	}
}

function addImage(src) {
        //src is a photo url
        //add image to html
        var append_photo = "
"

        var contiar = document.getElementById("thumbnails");
        contiar.innerHTML += append_photo;
        //end
}

if you want to show some cool ajax effects, you can modify addImage method.

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