禁止section停留

#pragma mark -禁止section停留

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

    CGFloatsectionHeaderHeight =50;

    if(scrollView.contentOffset.y<=sectionHeaderHeight&&scrollView.contentOffset.y>=0) {

    scrollView.contentInset=UIEdgeInsetsMake(-scrollView.contentOffset.y,0,0,0);

    }elseif(scrollView.contentOffset.y>=sectionHeaderHeight) {

    scrollView.contentInset=UIEdgeInsetsMake(-sectionHeaderHeight,0,0,0);

   }

}