把第一行
<table width="584" border="0" cellspacing="0" cellpadding="0">改成
<table width="584" border="1" cellspacing="0" cellpadding="0">就会显示边框了。
<style type="text/css"><!--
.aaa {
border-right-width: 1px
border-bottom-width: 1px
border-left-width: 1px
border-top-style: none
border-right-style: solid
border-bottom-style: solid
border-left-style: solid
border-right-color: #666666
border-bottom-color: #666666
border-left-color: #666666
text-align: center
}
-->
</style>
<table width="100" border="0" cellpadding="0" cellspacing="0">
<tr>
<td class="aaa">表格内容</td>
</tr>
</table>
