<!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>
<style>
table,td{
border:none;
font-size: 14px;
border-collapse: collapse;
}
table tr:hover{
background-color: #ccc;
cursor: pointer;
}
table td{
border-top: 1px solid #ddd;
padding: 10px;
}
</style>
</head>
<body>
<table border="1">
<thead>
<tr>
<td>编号1</td>
<td>标题2</td>
<td>标题3</td>
</tr>
</thead>
<tbody>
<tr>
<td>a</td>
<td>helloworld</td>
<td>helloworld</td>
</tr>
</tbody>
<tooft>
<tr>
<td>b</td>
<td>你好balabalabala</td>
<td>你好balabalabala</td>
</tr>
</tooft>
</table>
</body>
</html>