tableView横线到顶端

//// 让分割线顶到头

-(void)viewDidLayoutSubviews{  

  [superviewDidLayoutSubviews];

if([self.listTableViewrespondsToSelector:@selector(setSeparatorInset:)]) {    

    [self.listTableViewsetSeparatorInset:UIEdgeInsetsMake(0,0,0,0)];    }

if([self.listTableViewrespondsToSelector:@selector(setLayoutMargins:)]) {        

[self.listTableViewsetLayoutMargins:UIEdgeInsetsMake(0,0,0,0)];    }}

-(void)tableView:(UITableView*)tableView willDisplayCell:(UITableViewCell*)cell forRowAtIndexPath:(NSIndexPath*)indexPath{

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

     [cell setSeparatorInset:UIEdgeInsetsZero];  

  }

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

      [cell setLayoutMargins:UIEdgeInsetsZero];   

 }

}