方法1：利用亮边框和暗边框[推荐]
<table width="100%" height="100" border="1" bordercolorlight="red" bordercolordark="white" cellpadding="0" cellspacing="0"> <tr>
<td>www.aspxcs.net</td>
<td>www.aspxcs.net</td>
</tr>
<tr>
<td>www.aspxcs.net</td>
<td>www.aspxcs.net</td>
</tr>
</table>
方法2：利用collapse[推荐]
<table width="100%" height="100" border="1" bordercolor="blue" cellspacing="0" style="border-collapse:collapse">
<tr>
<td>www.aspxcs.net</td>
<td>www.aspxcs.net</td>
</tr>
<tr>
<td>www.aspxcs.net</td>
<td>www.aspxcs.net</td>
</tr>
</table>
方法3：(表格嵌套)
table width="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#ff0000"> <tr>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="0">
<tr bgcolor="#ffffff">
<td>极细表格边框</td>
<td>极细表格边框</td>
<td>极细表格边框</td>
</tr><tr bgcolor="#ffffff">
<td>极细表格边框</td>
<td>极细表格边框</td>
<td>极细表格边框</td>
</tr>
</table>
</td>
</tr>
</table>
方法4：(用css实现)
<div id="table">
<table width="100%" border="0" >
<tr>
<td>极细表格边框</td>
<td>极细表格边框</td>
<td>极细表格边框</td>
</tr>
<tr>
<td>极细表格边框</td>
<td>极细表格边框</td>
<td>极细表格边框</td>
</tr>
</table>
</div>
方法5：利用单元格的间距
<table width="100%" height="100" border="0" bgcolor="red" cellpadding="0" cellspacing="1"> <tr>
<td bgcolor="white">www.aspxcs.net</td>
<td bgcolor="white">www.aspxcs.net</td>
</tr>
<tr>
<td bgcolor="white">www.aspxcs.net</td>
<td bgcolor="white">www.aspxcs.net</td>
</tr>
</table>
