Download/Save/Write a file on the client's hard disk using flash/flex

问题

I wonder how can I download/save/write a file from my server to a client's computer using flash or flex.

An example of what I'm looking for is avilable on http://www.flexdownloads.com

1. Sign up
2. Sign in
3. Click on the ("FREE") button placed on the right of the page. (the orange button)
4. Choose any product (won't cost you anything)
5. Press "BUY NOW"

then you'll see a confirmation popup for the download, then you choose where do you want to save the file, and the flash movie saves the file!

回答1:

Use FileReference

http://livedocs.adobe.com/flex/3/html/help.html?content=17_Networking_and_communications_7.html

var request:URLRequest = new URLRequest("index.xml");
var fileRef:FileReference = new FileReference();
fileRef.download(request);

来源：https://stackoverflow.com/questions/4198212/download-save-write-a-file-on-the-clients-hard-disk-using-flash-flex