表格固定表头和列
背景
在项目中大多数的表格，都是使用ui库提供的表格，ui库提供的表格为我们封装了很多很实用的功能，当然也附带了固定表头和列的功能，那么为什么要自己写固定表头和列的表格呢，UI库自带的表格在合并单元格上非常难用，当时我在写一个sku表格，存在单元格的合并，很不方便，所以我选择了原生的表格，在当时看来没有什么问题很方便的解决了我的需求，但是有一个产品提出一个固定表头和列的需求。在网上例子，运行之后都不满意，有的只能固定表头，所以自己写了固定表头和列的表格，思路如下图
1610939381(1).jpg
效果图:
效果图.jpg
代码如下
<!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>
.table {
display: table;
border-collapse: separate;
border-spacing: 0;
border-color: grey;
}
td{
padding: 5px;
/* border: 1px solid #e6e6e6; */
background: #f6f7fa;
}
.table-left-body td{
background: #ffffff;
}
.table-box{
position: relative;
padding: 0;
width: 800px;
background-color: rgb(255, 255, 255);
margin-bottom: 5px;
}
.table-left-box{
overflow: hidden;
top: 0;
left: 0;
max-width: 183px;
z-index: 100
}
.table-right-box{
position: absolute;
overflow: hidden;
top: 0;
right: 0;
width: 620px;
}
.table-left-body td,.table-right-body td{
border-top: none;
background: #ffffff;
}
.table-left-body{
overflow-x: hidden;
overflow-y: hidden;
max-width: 183px;
max-height: 200px;
}
.table-left-body .table-left-text{
width: 80px;
height: 35px;
line-height: 35px;
}
.table-right-body{
overflow-x: auto;
overflow-y: auto;
width: 100%;
max-height: 200px;
}
.table-right-header{
width: 100%;
overflow-x: hidden;
overflow-y: hidden;
}
.table-right-text{
width: 160px;
height: 35px;
line-height: 35px;
}
</style>
</head>
<body>
<div class="table-box">
<div class="table-left-box">
<div class="table-left-header">
<div class="">
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td class="td color">
<div style="width: 80px;height: 35px;line-height: 35px;">
颜 色
</div>
</td>
<td class="td size">
<div style="width: 80px;height: 35px;line-height: 35px;">
尺 码
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div ref="bodyWrapperLeft" class="table-left-body">
<div style="padding-bottom: 20px;box-sizing: border-box;">
<table>
<tbody>
<tr>
<td>
<div class="table-left-text">
i
</div>
</td>
<td>
<div class="table-left-text">
text
</div>
</td>
</tr>
<tr>
<td>
<div class="table-left-text">
i
</div>
</td>
<td>
<div class="table-left-text">
text
</div>
</td>
</tr>
<tr>
<td>
<div class="table-left-text">
i
</div>
</td>
<td>
<div class="table-left-text">
text
</div>
</td>
</tr>
<tr>
<td>
<div class="table-left-text">
i
</div>
</td>
<td>
<div class="table-left-text">
text
</div>
</td>
</tr>
<tr>
<td>
<div class="table-left-text">
i
</div>
</td>
<td>
<div class="table-left-text">
text
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="table-right-box">
<div ref="headerWrapper" class="table-right-header">
<div style="width: 10000px;">
<table border="0" cellspacing="0" cellpadding="0" class="">
<tbody>
<tr>
<td>
<div class="table-right-text">
text
</div>
</td>
<td>
<div class="table-right-text">
text
</div>
</td>
<td>
<div class="table-right-text">
text
</div>
</td>
<td>
<div class="table-right-text">
text
</div>
</td>
<td>
<div class="table-right-text">
text
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div ref="bodyWrapper" class="table-right-body">
<table>
<tbody>
<tr>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
</tr>
<tr>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
</tr>
<tr>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
</tr>
<tr>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
</tr>
<tr>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
<td>
<div class="table-right-text">
11
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<script>
function $(select){
return document.querySelector(select)
}
let bodyWrapper = $('.table-right-body')
let bodyWrapperLeft = $('.table-left-body')
let headerWrapper = $('.table-right-header')
bodyWrapper.addEventListener('scroll', syncPostion, { passive: true });
function syncPostion() {
const {
scrollLeft, scrollTop, offsetWidth, scrollWidth
} = bodyWrapper;
if (bodyWrapperLeft) bodyWrapperLeft.scrollTop = scrollTop;
if (headerWrapper) headerWrapper.scrollLeft = scrollLeft;
}
</script>
</body>
</html>
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