cell指表格的内容
cellspaceing:表格里单元格之间的距离(类似div margin 外补丁)
cellpadding:表格里单元格空白部分(类似div padding 内补丁)
<html>
<head>
</head>
<body>
<table border="1" cellspacing="10px" cellpadding="20px">
<tr>
<td>第一个</td>
<td>第二个</td>
</tr>
<tr>
<td>第一个</td>
<td>第二个</td>
</tr>
</table>
</body>
</html>
border-collapse
属性设置表格的边框是否被合并为一个单一的边框,还是象在标准的 HTML 中那样分开显示
separate:分开,默认
collapse:合并,cellspacing和cellpadding样式失效
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta http-equiv="Content-Language" content="zh-cn" />
<meta name="robots" content="all" />
<meta name="author" content="w3school.com.cn" />
<meta name="Copyright" content="Copyright W3school.com.cn All Rights Reserved." />
<meta name="MSSmartTagsPreventParsing" content="true" />
<meta http-equiv="imagetoolbar" content="false" />
<link rel="stylesheet" type="text/css" href="/c3.css" />
<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
<title>CSS border-collapse 属性</title>
</head>
<body class="html">
<table style="border-collapse:collapse" border="1" width="200" cellspacing="30">
<tr>
<td>11</td>
<td>12</td>
<td>13</td>
<tr>
<tr>
<td>21</td>
<td>22</td>
<td>23</td>
<tr>
</table>
<table style="border-collapse:separate" border="1" width="200" cellspacing="30">
<tr>
<td>11</td>
<td>12</td>
<td>13</td>
<tr>
<tr>
<td>21</td>
<td>22</td>
<td>23</td>
<tr>
</table>
</body>
备注:
<!DOCTYPE 不能少,否则看不到效果