iOS开发Debug之去掉tableView的headerview的粘性

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{

CGFloat sectionHeaderHeight =
21;//21为hearderview的高度
if (scrollView.contentOffset.y<=sectionHeaderHeight&&scrollView.contentOffset.y>=0)
{
scrollView.contentInset =
UIEdgeInsetsMake(-scrollView.contentOffset.y,
0, 0,
0);
} else
if (scrollView.contentOffset.y>=sectionHeaderHeight) {
scrollView.contentInset =
UIEdgeInsetsMake(-sectionHeaderHeight,
0, 0,
0);
}
}