table tr td,th{border:1px solid #000;}要去单元格间隙；cellspacing=“0”放在哪才行

Question

<table>

<tr>

<th>.........</th>

<th>.........</th>

</tr>

<tr>

<td>.........</td>

<td>.........</td>

</tr>

<tr>

<td>.......</td>

<td>.......</td>

</tr>

</table>