<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
padding: 0;
margin: 0;
}
.wrap {
width: 300px;
margin: 100px auto 0;
}
table {
border-collapse: collapse;
border-spacing: 0;
border: 1px solid #c0c0c0;
}
th, td {
border: 1px solid #d0d0d0;
color: #404060;
padding: 10px;
}
th {
background-color: #09c;
font: bold 16px "微软雅黑";
color: #fff;
}
td {
font: 14px "微软雅黑";
}
tbody tr {
background-color: #f0f0f0;
}
tbody tr:hover {
cursor: pointer;
background-color: #fafafa;
}
</style>
<script src="jquery-3.4.1.js"></script>
<script>
$(function () {
$('#select_all').click(function () {
$('#tb_content input:checkbox').prop('checked', $(this).prop('checked'))
});
$('#tb_content input:checkbox').click(function () {
var boxs = $('#tb_content input:checkbox');
var selectBoxs = $('#tb_content').find(':checkbox:checked');
if (boxs.length === selectBoxs.length) {
$('#select_all').prop('checked', true);
}else{
$('#select_all').prop('checked', false);
}
})
})
</script>
</head>
<body>
<div class="wrap">
<table>
<thead>
<tr>
<th>
<input type="checkbox" id="select_all" />
</th>
<th>课程名称</th>
<th>所属学院</th>
</tr>
</thead>
<tbody id="tb_content">
<tr>
<td>
<input type="checkbox" />
</td>
<td>JavaScript</td>
<td>前端与移动开发学院</td>
</tr>
<tr>
<td>
<input type="checkbox" />
</td>
<td>css</td>
<td>前端与移动开发学院</td>
</tr>
<tr>
<td>
<input type="checkbox" />
</td>
<td>html</td>
<td>前端与移动开发学院</td>
</tr>
<tr>
<td>
<input type="checkbox" />
</td>
<td>jQuery</td>
<td>前端与移动开发学院</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>
