单线表格 cellpadding="0" cellspacing="0" style="border-collapse:collapse;"

<table width="300" border="1" cellpadding="0" cellspacing="0" bordercolor="#FF0000" style="border-collapse:collapse;">  
  <tr>  
    <td>dsfgdsgd</td>  
    <td>asdfasdf</td>  
    <td>asdfsadf</td>  
    <td>asdfsadfsadf</td>  
  </tr>  
  <tr>  
    <td>asdfsadf</td>  
    <td>asdfasdf</td>  
    <td>sadfsadf</td>  
    <td>asdfsadfsa</td>  
  </tr>  
  <tr>  
    <td>asdfsafsad</td>  
    <td>asdfasdf</td>  
    <td>asdfsadf</td>  
    <td>sadfsadfs</td>  
  </tr>  
</table>