<!-- 如何让 Html的表格中单元格的内容居中显示 -->
<html>
<body>
<table border="1">
<tr>
<td align="center" style="width:120px; height: 21px;" valign="middle">
1
</td>
<td align="center" style="width:120px; height: 21px;" valign="middle">
2
</td>
<td align="center" style="width:120px; height: 21px;" valign="middle">
10
</td>
</tr>
</table>
</body>
</html>