原生js实现省市区三级联动下拉选择效果代码-html代码-BFW代码库

原生js实现省市区三级联动下拉选择效果代码

代码语言：html

所属分类：其他

代码描述：原生js实现省市区三级联动下拉选择效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!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">

  <link rel="stylesheet" href="https://at.alicdn.com/t/c/font_3918133_49o7mt0f52q.css">
  <STYLE>
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	list-style: none;
}

.container {
	width: 100vw;
	height: 100vh;
	display: flex;
	justify-content: center;
	background-color: #011627;
	color: #fff;
	padding-top: 50px;
}

.select {
	position: relative;
	margin: 0 10px;
	/* 内容不换行 */
	white-space: nowrap;
}

.title {
	min-width: 150px;
	height: 40px;
	padding: 0 10px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	border-radius: 5px;
	font-size: 14px;
	color: #999;
	border: 1px solid #5f7e97;
	cursor: pointer;
}

.title > .iconfont {
	font-size: 10px;
	transition: 0.3s linear;
}

.options {
	position: absolute;
	top: 52px;
	padding: 10px;
	min-width: 100%;
	font-size: 12px;
	border: 1px solid #5f7e97;
	background-color: #011627;
	border-radius: 5px;
	max-height: 300px;
	opacity: 0;
	transform: scaleY(0);
	transition: all 0.3s ease-in-out;
	/* 设置变形原点 */
	transform-origin: center -10px;
	display: grid;
	/* 纵向排列 */
	grid-auto-flow: column;
	/* 根据内容自动生成行，设置行高 */
	grid-template-rows: repeat(auto-fit, 20px);
	/* 设置行间隙 */
	row-gap: 6px;
	/* 设置列间隙 */
	column-gap: 25px;
	/* 单元格内容靠左，根据内容自适应宽度 */
	justify-items: left;
	filter: drop-shadow(0 0 2px #c5e4fd);
}

.options::before {
	content: '';
	position: absolute;
	width: 10px;
	height: 10px;
	left: 65px;
	top: -6px;
	border: 1px solid #5f7e97;
	transform: rotate(45deg);
	border-right: none;
	border-bottom: none;
	background-color: #011627;
}

.options li {
	cursor: pointer;
	display: flex;
	align-items: center;
	padding: 3px 5px;
	border-radius: 5px;
	color: #c5e4fd;
}

.options li.active {
	background-color: #c5e478;
	color: #011627;
}

.select.expand .options {
	z-index: 999;
	transform: scaleY(1);
	opacity: 1;
}

.select.expand .iconfont {
	transform: rotate(180deg);
}

.select.disabled .title {
	color: #333;
	cursor: not-allowed;
}

  </STYLE>
</head>

<body>
  <div class="container">
    <div class="select" id="province" data-name="省份">
      <div class="title">
        <span class="select-input">请选择</span>
        <span class="iconfont icon-arrow-down"></span>
      </div>
      <ul class="options">
      </ul>
    </div>
    <div class="select" id="city" data-name="城市">
      <div class="title">
        <span class="select-input">请选择</span>
        <span class="iconfont icon-arrow-down"></span>
      </div>
      <ul class="options">
      </ul>
    </div>
    <div class="select" id="area" data-name="区域">
      <div class="title">
        <span class="select-input">请选择</span>
        <span class="iconfont icon-arrow-down"></span>
      </div>
      <ul class="options">
      </ul>
    </div>
  </div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/city-data.js"></script>
  <script>
    
const dom = el => document.querySelector(el)
const province = dom('#province')
const city = dom(&#.........完整代码请登录后点击上方下载按钮下载查看