sprintf和string

{foreach item=row key=page from=$result}

            <tr>

              <td class="tac">{$row.DECLAREDATE}</td>

              <td>{$row.DYZ|string_format:"
.2f"}</td>

              <td>{$row.DYTB|string_format:"
.2f"}</td>

              <td>{$row.LJZ|string_format:"
.2f"}</td>

              <td>{$row.LJTB|string_format:"
.2f"}</td>

            </tr>

{/foreach}