利⽤table来进⾏页⾯布局，制作⼀个简单的课程表corspan列跨度 rowspan ⾏跨度利⽤好这两个属性就可以熟练的利⽤表格来进⾏布局
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>课程表</title>
</head>
<body>
<!-- corspan列跨度    rowspan  ⾏跨度利⽤好这两个属性就可以熟练的利⽤表格来进⾏布局案例做了⼀个五⾏六列的课程表 -->
<table width="800" height="600" border="1" cellspacing="0">
html网页设计 table
<tr>
<th colspan="2"></th>
<th>1</th>
<th>1</th>
<th>1</th>
</tr>
<tr>
<td rowspan="4">1</td>
<td>1</td>
<td>1</td>
<td>1</td>
<td>1</td>
</tr>
<tr>
<td>1</td>
<td>1</td>
<td>1</td>
<td>1</td>
</tr>
<tr>
<td>1</td>
<td>1</td>
<td>1</td>
<td rowspan="2">1</td>
</tr>
<tr>
<td>1</td>
<td>1</td>
<td >1</td>
</tr>
</table>
</body>
</html>