用CSS改变表格边框样式，很实用的一种方法。
制作方法：
将下面的代码复制到<body>~</body>里，此为隐藏下边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-bottom-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td style="border-bottom-style: none; border-bottom-width: medium" height="25">隐藏下边</td>
</tr>
</table>
将下面的代码复制到<body>~</body>里，此为隐藏上边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-top-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td height="25" style="border-top-style: none; border-top-width: medium">隐藏上边框</td>
</tr>
</table>
将下面的代码复制到<body>~</body>里，此为隐藏左边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-left-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td style="border-left-style: none; border-left-width: medium" height="25">隐藏左边框
</td>
</tr>
</table>
将下面的代码复制到<body>~</body>里，此为隐藏右边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-right-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td style="border-right-style: none; border-right-width: medium" height="25">隐藏右边框
</td>
</tr>
</table>
制作方法：
将下面的代码复制到<body>~</body>里，此为隐藏下边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-bottom-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td style="border-bottom-style: none; border-bottom-width: medium" height="25">隐藏下边</td>
</tr>
</table>
将下面的代码复制到<body>~</body>里，此为隐藏上边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-top-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td height="25" style="border-top-style: none; border-top-width: medium">隐藏上边框</td>
</tr>
</table>
将下面的代码复制到<body>~</body>里，此为隐藏左边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-left-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td style="border-left-style: none; border-left-width: medium" height="25">隐藏左边框
</td>
</tr>
</table>
将下面的代码复制到<body>~</body>里，此为隐藏右边框
<table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; border-right-width: 0" bordercolor="#111111" width="90">
<tr align="center">
<td style="border-right-style: none; border-right-width: medium" height="25">隐藏右边框
</td>
</tr>
</table>
