问如何使用iOS8社交框架Swift附加视频文件以在Facebook上发布

EN

import Social

@IBAction func shareFB(sender : AnyObject) {
    if(SLComposeViewController.isAvailableForServiceType(SLServiceTypeFacebook))
    {
        var SocialMedia :SLComposeViewController = SLComposeViewController(forServiceType: SLServiceTypeFacebook)

        SocialMedia.completionHandler = {
            result -> Void in


            var getResult = result as SLComposeViewControllerResult;
            switch(getResult.toRaw()) {
            case SLComposeViewControllerResult.Cancelled.toRaw(): println("Cancelled")
            case SLComposeViewControllerResult.Done.toRaw(): println("It's Work!")
            default: println("Error!")
            }
            self.dismissViewControllerAnimated(true, completion: nil)
        }
        self.presentViewController(SocialMedia, animated: true, completion: nil)
        SocialMedia.setInitialText("Test a Post on Facebook")
    }


}