原生js实现ios上下拖拽滑动日期选择器效果代码-html代码-BFW代码库

代码语言：html
所属分类：选择器
代码描述：原生js实现ios上下拖拽滑动日期选择器效果代码
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">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/reset.min.css">

  
  
<style>
@charset "UTF-8";
body {
  font-family: Arial, "Hiragino Sans GB", 冬青黑, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, Helvetica, Tahoma, "Arial sans-serif";
  background: #000;
}

.select-wrap {
  position: relative;
  height: 100%;
  text-align: center;
  overflow: hidden;
  font-size: 20px;
  color: #ddd;
}
.select-wrap:before, .select-wrap:after {
  position: absolute;
  z-index: 1;
  display: block;
  content: "";
  width: 100%;
  height: 50%;
}
.select-wrap:before {
  top: 0;
  background-image: linear-gradient(to bottom, rgba(1, 1, 1, 0.5), rgba(1, 1, 1, 0));
}
.select-wrap:after {
  bottom: 0;
  background-image: linear-gradient(to top, rgba(1, 1, 1, 0.5), rgba(1, 1, 1, 0));
}
.select-wrap .select-options {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 0;
  transform-style: preserve-3d;
  margin: 0 auto;
  display: block;
  transform: translateZ(-150px) rotateX(0deg);
  -webkit-font-smoothing: subpixel-antialiased;
  color: #666;
}
.select-wrap .select-options .select-option {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  -webkit-font-smoothing: subpixel-antialiased;
}
.select-wrap .select-options .select-option:nth-child(1) {
  transform: rotateX(0deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(2) {
  transform: rotateX(-18deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(3) {
  transform: rotateX(-36deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(4) {
  transform: rotateX(-54deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(5) {
  transform: rotateX(-72deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(6) {
  transform: rotateX(-90deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(7) {
  transform: rotateX(-108deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(8) {
  transform: rotateX(-126deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(9) {
  transform: rotateX(-144deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(10) {
  transform: rotateX(-162deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(11) {
  transform: rotateX(-180deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(12) {
  transform: rotateX(-198deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(13) {
  transform: rotateX(-216deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(14) {
  transform: rotateX(-234deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(15) {
  transform: rotateX(-252deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(16) {
  transform: rotateX(-270deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(17) {
  transform: rotateX(-288deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(18) {
  transform: rotateX(-306deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(19) {
  transform: rotateX(-324deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(20) {
  transform: rotateX(-342deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(21) {
  transform: rotateX(-360deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(22) {
  transform: rotateX(-378deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(23) {
  transform: rotateX(-396deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(24) {
  transform: rotateX(-414deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(25) {
  transform: rotateX(-432deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(26) {
  transform: rotateX(-450deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(27) {
  transform: rotateX(-468deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(28) {
  transform: rotateX(-486deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(29) {
  transform: rotateX(-504deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(30) {
  transform: rotateX(-522deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(31) {
  transform: rotateX(-540deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(32) {
  transform: rotateX(-558deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(33) {
  transform: rotateX(-576deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(34) {
  transform: rotateX(-594deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(35) {
  transform: rotateX(-612deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(36) {
  transform: rotateX(-630deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(37) {
  transform: rotateX(-648deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(38) {
  transform: rotateX(-666deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(39) {
  transform: rotateX(-684deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(40) {
  transform: rotateX(-702deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(41) {
  transform: rotateX(-720deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(42) {
  transform: rotateX(-738deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(43) {
  transform: rotateX(-756deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(44) {
  transform: rotateX(-774deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(45) {
  transform: rotateX(-792deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(46) {
  transform: rotateX(-810deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(47) {
  transform: rotateX(-828deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(48) {
  transform: rotateX(-846deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(49) {
  transform: rotateX(-864deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(50) {
  transform: rotateX(-882deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(51) {
  transform: rotateX(-900deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(52) {
  transform: rotateX(-918deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(53) {
  transform: rotateX(-936deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(54) {
  transform: rotateX(-954deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(55) {
  transform: rotateX(-972deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(56) {
  transform: rotateX(-990deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(57) {
  transform: rotateX(-1008deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(58) {
  transform: rotateX(-1026deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(59) {
  transform: rotateX(-1044deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(60) {
  transform: rotateX(-1062deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(61) {
  transform: rotateX(-1080deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(62) {
  transform: rotateX(-1098deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(63) {
  transform: rotateX(-1116deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(64) {
  transform: rotateX(-1134deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(65) {
  transform: rotateX(-1152deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(66) {
  transform: rotateX(-1170deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(67) {
  transform: rotateX(-1188deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(68) {
  transform: rotateX(-1206deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(69) {
  transform: rotateX(-1224deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(70) {
  transform: rotateX(-1242deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(71) {
  transform: rotateX(-1260deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(72) {
  transform: rotateX(-1278deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(73) {
  transform: rotateX(-1296deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(74) {
  transform: rotateX(-1314deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(75) {
  transform: rotateX(-1332deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(76) {
  transform: rotateX(-1350deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(77) {
  transform: rotateX(-1368deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(78) {
  transform: rotateX(-1386deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(79) {
  transform: rotateX(-1404deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(80) {
  transform: rotateX(-1422deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(81) {
  transform: rotateX(-1440deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(82) {
  transform: rotateX(-1458deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(83) {
  transform: rotateX(-1476deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(84) {
  transform: rotateX(-1494deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(85) {
  transform: rotateX(-1512deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(86) {
  transform: rotateX(-1530deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(87) {
  transform: rotateX(-1548deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(88) {
  transform: rotateX(-1566deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(89) {
  transform: rotateX(-1584deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(90) {
  transform: rotateX(-1602deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(91) {
  transform: rotateX(-1620deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(92) {
  transform: rotateX(-1638deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(93) {
  transform: rotateX(-1656deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(94) {
  transform: rotateX(-1674deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(95) {
  transform: rotateX(-1692deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(96) {
  transform: rotateX(-1710deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(97) {
  transform: rotateX(-1728deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(98) {
  transform: rotateX(-1746deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(99) {
  transform: rotateX(-1764deg) translateZ(150px);
}
.select-wrap .select-options .select-option:nth-child(100) {
  transform: rotateX(-1782deg) translateZ(150px);
}

.highlight {
  position: absolute;
  top: 50%;
  transform: translate(0, -50%);
  width: 100%;
  background-color: #000;
  border-top: 1px solid #333;
  border-bottom: 1px solid #333;
  font-size: 24px;
  overflow: hidden;
}

.highlight-list {
  position: absolute;
  width: 100%;
}

/* date */
.date-selector {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  perspective: 2000px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  width: 600px;
  height: 300px;
}
.date-selector > div {
  flex: 1;
}
.date-selector .select-wrap {
  font-size: 18px;
}
.date-selector .highlight {
  font-size: 20px;
}
</style>


  
</head>

<body translate="no">
  <div class="date-selector">
	<div class="year" id="year1"></div>
	<div class="month" id="month1"></div>
	<div class="day" id="day1"></div>
</div>


      <script >
const easing = {
  easeOutCubic: function (pos) {
    return Math.pow(pos - 1, 3) + 1;
  },
  easeOutQuart: function (pos) {
    return -(Math.pow(pos - 1, 4) - 1);
  } };


class IosSelector {
  constructor(options) {
    let defaults = {
      el: '', // dom 
      type: 'infinite', // infinite 无限滚动，normal 非无限 
      count: 20, // 圆环规格，圆环上选项个数，必须设置 4 的倍数
      sensitivity: 0.8, // 灵敏度
      source: [], // 选项 {value: xx, text: xx}
      value: null,
      onChange: null };


    this.options = Object.assign({}, defaults, options);
    this.options.count = this.options.count - this.options.count % 4;
    Object.assign(this, this.options);

    this.halfCount = this.options.count / 2;
    this.quarterCount = this.options.count / 4;
    this.a = this.options.sensitivity * 10; // 滚动减速度
    this.minV = Math.sqrt(1 / this.a); // 最小初速度
    this.selected = this.source[0];

    this.exceedA = 10; // 超出减速 
    this.moveT = 0; // 滚动 tick
    this.moving = false;

    this.elems = {
      el: document.querySelector(this.options.el),
      circleList: null,
      circleItems: null, // list

      highlight: null,
      highlightList: null,
      highListItems: null // list
    };
    this.events = {
      touchstart: null,
      touchmove: null,
      touchend: null };


    this.itemHeight = this.elems.el.offsetHeight * 3 / this.options.count; // 每项高度
    this.itemAngle = 360 / this.options.count; // 每项之间旋转度数
    this.radius = this.itemHeight / Math.tan(this.itemAngle * Math.PI / 180); // 圆环半径 

    this.scroll = 0; // 单位为一个 item 的高度（度数）
    this._init();
  }

  _init() {
    this._create(this.options.source);

    let touchData = {
      startY: 0,
      yArr: [] };


    for (let eventName in this.events) {
      this.events[eventName] = (eventName => {
        return e => {
          if (this.elems.el.contains(e.target) || e.target === this.elems.el) {
            e.preventDefault();
            if (this.source.length) {
              this.........完整代码请登录后点击上方下载按钮下载查看