#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);
}
}
