ios列表下拉最下方事件

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
{
    if (myTable->isLoading)
    { 
        return;
    }
    myTable->isDragging = NO;
    if (scrollView.contentOffset.y <= -60) 
    {
        [self refresh];
    }
    else if (scrollView.contentOffset.y + scrollView.frame.size.height - scrollView.contentSize.height > 60)
    {
        [self loadMore];
    }
}

ios中table下拉加载内容操作部分