uitableview最后一个cell的separator line顶头

1. storyboard
   选中tableviewcell，选择separator为custom insets，left为0

image.png

2. 纯代码
   if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
   [cell setSeparatorInset:UIEdgeInsetsZero];
   }

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

   if([cell respondsToSelector:@selector(setPreservesSuperviewLayoutMargins:)]){
   [cell setPreservesSuperviewLayoutMargins:NO];
   }