如何在iphone本机应用程序中显示Web服务器的目录列表

如何从web服务器获取iphone本机应用程序上的文件和目录名

NSData *urlData;
NSString *urlString   = @"mysite.com/myfile";

NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval: 10.0]; 

NSURLConnection *connection=[[NSURLConnection alloc] initWithRequest:request delegate:nil]; 
if (connection) { 
    urlData = [ NSURLConnection sendSynchronousRequest: request
}
[connection release];