代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>表格</title>
<style>
/*
大概格式：
table > thead > tbody > tfoot
tr > td
border-spacing：指定边框之间的距离；
border-collapse:设置边框的合并；
*/
table{
width: 300px;
border-spacing: 0px;
border-collapse: collapse;
/* vertical-align: middle; */
}
table td
{
border: black 1px solid;
text-align: center;
}
tr:nth-child(2n){
background-color: #bfa;
}
</style>
</head>
<body>
<table>
<thead>
<tr> <td>date</td>
<td>salary</td>
<td>use</td>
<td>sum</td></tr>
</thead>
<tbody>
<tr>
<td>2020.4</td>
<td>5000</td>
<td>1000</td>
<td>4000</td>
</tr>
<tr>
<td>2020.5</td>
<td>5000</td>
<td>2000</td>
<td>3000</td>
</tr>
<tr>
<td>2020.6</td>
<td>5000</td>
<td>3000</td>
<td>2000</td>
</tr>
<tr>
<td>2020.6</td>
<td>5000</td>
<td>3000</td>
<td>2000</td>
</tr>
<tr>
<td>2020.6</td>
<td>5000</td>
<td>3000</td>
<td>2000</td>
</tr>
<tr>
<td>2020.6</td>
<td>5000</td>
<td>3000</td>
<td>2000</td>
</tr>
</tbody>
<tfoot>
<tr><td></td>
<td></td>
<td>sumary</td>
<td>9000</td></tr>
</tfoot>
</table>
</body>
</html>
30.jpg
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