UITableViewCell 分隔线顶头显示

 -(void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
 
 
{
 
 
// Remove seperator inset

if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {

    [cell setSeparatorInset:UIEdgeInsetsZero];

}



// Prevent the cell from inheriting the Table View's margin settings

if ([cell respondsToSelector:@selector(setPreservesSuperviewLayoutMargins:)]) {

    [cell setPreservesSuperviewLayoutMargins:NO];

}



// Explictly set your cell's layout margins

if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {

    [cell setLayoutMargins:UIEdgeInsetsZero];

}
 
 
}