UITableViewcell过段时间取消选中状态

- (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
      ........
//消除cell选择痕迹

  [self performSelector:@selector(deselect) withObject:nil afterDelay:0.5f];

  }

- (void)deselect {

  [self.tableview deselectRowAtIndexPath:[self.tableview indexPathForSelectedRow] animated:YES];
  
}