去掉UItableview headerview黏性(stick

// 去掉UItableview headerview黏性(sticky)

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

CGFloat sectionHeaderHeight = 44;

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);

}

}