表格头部与左侧内容随滚动条位置改变而改变（基于jQuery）
效果图如下：
HTML代码：
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>表格头部与左侧内容随滚动条位置改变而改变（基于jQuery）</title>
<style>
* {
margin: 0;
padding: 0;
}
.display-none {
display: none;
}
.container {
width: 600px;
height: 600px;
overflow: auto;
}
.content {
width: 3000px;
height: 1200px;
}
table {
position: relative;
border-collapse: collapse;
font-size: 13px;
}
table, td, th {
text-align: left;
line-height: 40px;
border: 1px solid black;
}
table th {
background-color: #ededed;
}
.copyThead {
position: absolute;
top: 0;
left: 1px;
background-color: #ededed;
width: 100%;
}
.copyThead th:first-child {
border-left: 0;
}
.copyMenu {
position: absolute;
top: 0;
left: 0;
background-color: #ededed;
}
.position-th {
position: absolute;
top: 0;
left: 0;
background-color: #ededed;
}
</style>
</head>
<body>
<div class="container">
<div class="content">
<table>
<thead>
<tr></tr>
</thead>
<tbody></tbody>
</table>
</div>
</div> <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
<script src="./data.js"></script>
<script>
$(function(){
// 渲染表头
let thHtml = '<th width="150" class="fixed-th">编号/姓名 技能</th>';
data.staff.forEach(function(item, index) {
thHtml += `<th width="100">${item.staffNumber} ${item.userName}</th>`;
})
$('table thead tr').html(thHtml); // 获取第一个表头的宽高
let fixedThWidth = $('.fixed-th').width();
let fixedThHeight = $('.fixed-th').height(); // 渲染表单内容
function renderTableBody() {
let tdHtml = '';
data.project.forEach(function(item, index) {
// 第一列
tdHtml += `<tr>
<th width="150">${item.projectName}</th>
`;
// 其余列
for(let i = 0; i < data.staff.length; i++){
tdHtml += `<td></td>`;
}
tdHtml += '</tr>';
})
$('table tbody').html(tdHtml);
}
renderTableBody(); // 设置content的宽度未table的宽度
$('.content').css('width', $('table').width() + 'px'); // 复制头部内容
let theadHtml = $('table thead').clone().addClass('copyThead display-none');
$('table').append(theadHtml); // 复制左侧内容
function copyLeftContent() {
let leftMenuHtml = `<tbody class="copyMenu display-none">
<th width="150" class="fixed-th">编号/姓名 技能</th>
<th width="150" class="fixed-th position-th">编号/姓名 技能</th>`;
data.project.forEach(function(item, index){
leftMenuHtml += `<tr>
<th width="150">${item.projectName}</th>
</tr>`;
})
leftMenuHtml += '</tbody>';
$('table').append(leftMenuHtml);
}
copyLeftContent(); // 设置好第一个表头的高度
$('.fixed-th').css('height', fixedThHeight + 'px'); // 设置左侧内容中的位置可变的第一个表头的行高
$('.position-th').css('line-height', fixedThHeight + 'px'); // 监听表格内容滚动事件
$('.container').scroll(function(){
let nowScrollTop = $(this).scrollTop(); //获取滚动条距顶部位置
let nowScrollLeft = $(this).scrollLeft(); //获取滚动条距左部位置
if(nowScrollTop > fixedThHeight){ //上下滚动位置是否已大于表头的高度 大于显示并设定top值 小于隐藏
$('.copyThead').removeClass('display-none').css('top', nowScrollTop);
$('.position-th').css('top', nowScrollTop);
}else{
$('.copyThead').addClass('display-none').css('top', 0);
$('.position-th').css('top', 0);
}
if(nowScrollLeft > fixedThWidth){ //左右滚动位置是否已大于左侧内容的宽度 大于显示并设定left值 小于隐藏
$('.copyMenu').removeClass('display-none').css('left', nowScrollLeft);
}else{
$('.copyMenu').addClass('display-none').css('left', 0);
}
})
})
</script>
</body>
</html>
data.js代码：
var data = {
"status": 100,
"msg": "操作成功",
"projectTotal": 2900,
"total": 2900,
"project": [
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
},
{
"projectId": 46533,
"projectName": "天马流星拳好厉害"
}
],
"staff": [
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
},
{
"staffNumber": "465132132465",
"userId": 453134,
"userName": "哆啦A梦"
}
]
}
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