播放代码:
NSURL *url = [NSURL URLWithString:@"http://xxxxxxx."];
MPMoviePlayerViewController *playerController = [[MPMoviePlayerViewController alloc] initWithContentURL:url];
[self presentMoviePlayerViewControllerAnimated:playerController];
playerController.moviePlayer.movieSourceType = MPMovieSourceTypeStreaming;
[playerController.moviePlayer play];