- (UIViewController *)viewController {  for (UIView* next = [self superview]; next; next = next.superview) {    UIResponder *nextResponder = [next nextResponder];    if ([nextResponder isKindOfClass:[UIViewController class]]) {      return (UIViewController *)nextResponder;    }  }  return nil;}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{  qunzuDetailViewController *qc=[[qunzuDetailViewController alloc]initWithNibName:@"qunzuDetailViewController" bundle:[NSBundle mainBundle]];  [[self viewController]presentViewController:qc animated:YES completion:nil];}