獲取當(dāng)前屏幕的方向；
UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;

   if (orientation == UIInterfaceOrientationLandscapeLeft || orientation == UIInterfaceOrientationLandscapeRight) {

                DLog(@"橫屏");

            }else{
                DLog(@"豎屏");

            }