Iphone on web development, how to download files?

Iphone on web development, how to download files?
Does not seem to create their own temporary files directory.
Reply:
If the browser to download it, there is work to do it?
Reply:

cited a floor ultrapro reply:

if a browser to download it, there is work to do it?

You do not believe try, there are files downloaded Web pages using iphone4 access points, (did not read the file tool iphone),
Appears to create a temporary directory failed.

Reply:
Very simple to use ASIHTTPRequest online open source projects have DEMO