 class="form-control valid"  readonly="readonly"> -->
            </div>
          </td>
          <td>
            <button class="btn btn-danger  btn-sm" onclick="removeCube(this)" type="button"><i class="fa fa-remove"></i>
            </button>
          </td>
        </tr>
      <?php } ?>
      </tbody>
      <tfoot>
      <tr>
        <td colspan="4">
          <input class="btn btn-primary" type="submit" value="保存">
          <button class="btn btn-pill btn-primary" onclick="addCube()" type="butto