摘要： zt: http://hi.baidu.com/lalajieer/item/d451f8c32e680c5aac00ef73css定义：<td style="border-bottom-style: none; border-bottom-width: medium" height="25">隐藏下边</td><td height="25" style="border-top-style: none; border-top-width: medium">隐藏上边框</td 阅读全文