document.write('<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>  <td align="left">    <table width="100%" border="0" cellspacing="0" cellpadding="0">      <tr>        <td width="50%" height="30" class="dh">发布人：???</td>        <td width="50%" height="30" align="right" class="zw" style="padding-right:10px;">2020-6-22 19:17:49</td>      </tr>      <tr>        <td height="50" colspan="2" align="left" valign="top" class="4a" style="border-bottom:1px #cccccc dotted;">老师厉害！</td>      </tr>    </table>  </td></tr></table>');