使table内td内容不换行隐藏多余内容
<table style="table-layout:fixed">
<tr>
<td width="50" style='word-break:keep-all;overflow:hidden;white-space:nowrap;'>12312314564564567897</td>
</tr>
</table>
<table style="table-layout:fixed">
<tr>
<td width="50" style='word-break:keep-all;overflow:hidden;white-space:nowrap;'>12312314564564567897</td>
</tr>
</table>