iOS播放网络视频

NSURL *videoURL = [NSURL URLWithString:URLString];
MPMoviePlayerViewController *moviePlayerController = [[MPMoviePlayerViewController alloc] initWithContentURL:videoURL];
[moviePlayerController.moviePlayer prepareToPlay];
moviePlayerController.moviePlayer.movieSourceType = MPMovieSourceTypeFile;
[self presentMoviePlayerViewControllerAnimated:moviePlayerController];