监听cell 滑动到 摸个分区

//滑动过程中

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

//    NSLog(@"000---%ld",ysetoLoad);

UICollectionView *ta = (UICollectionView *)scrollView;

NSArray *Vells = [ta visibleCells];

NSIndexPath *dex = [ta indexPathForCell:Vells[0]];

NSLog(@"--11   %ld",dex.section);

NSLog(@"ysetoLoad%@",Vells[0]);

CGFloat scrValue = ta.bounds.origin.y;

NSLog(@"--00   %f",scrValue);

}