表格
一个<tr></tr>等于一行
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<style>
#a1 {
width: 200px;
height: 10px;
}
</style>
<body>
<table border="1" align="center" id="a1">
<tr>
<td>A1</td>
<td>A2</td>
<td>A3</td>
<td>A4</td>
</tr>
<tr>
<td>B1</td>
<td>B2</td>
<td>B3</td>
<td>B4</td>
</tr>
<tr>
<td>C1</td>
<td>C2</td>
<td>C3</td>
<td>C4</td>
</tr>
</table>
</body>
</html>
如果把其中一个格子去掉其他格子也不会占满
表格分为三部分:
头部:thead
主体:tbody
底部:tfoot