cellspacing: (acting on the table), the distance between individual cells in the table
cellpadding: (act on the table) set the inner margin of the cell, which is equivalent to using padding
<table border='1px' cellspacing="5px" cellpadding="0">
<tr>
<td style='width:100px;padding-left: 100px;'>你好</td>
<td>这是</td>
</tr>
</table>