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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <link rel="stylesheet" href="font/iconfont.css">
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+ <style>
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+ * {
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+ margin: 0;
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+ padding: 0;
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+ }
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+
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+ ul {
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+ list-style: none;
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+ }
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+
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+ #container {
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+ width: 590px;
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+ height: 470px;
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+ margin: 100px auto;
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+ position: relative;
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+ overflow: hidden;
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+ }
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+
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+ #img-box {
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+ width: 2950px;
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+ left: 0;
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+ position: absolute;
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+ transition: left 1s linear;
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+ }
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+
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+ #img-box img {
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+ float: left;
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+ }
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+
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+ #btns {
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+ position: absolute;
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+ right: 20px;
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+ bottom: 20px;
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+ }
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+
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+ #btns li {
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+ width: 20px;
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+ height: 20px;
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+ text-align: center;
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+ line-height: 20px;
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+ background: cyan;
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+ border-radius: 10px;
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+ color: white;
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+ float: left;
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+ margin-right: 7px;
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+ }
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+
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+ #btns .select {
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+ background: red;
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+ }
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+
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+ #prev,
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+ #next {
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+ width: 40px;
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+ height: 40px;
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+ position: absolute;
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+ top: 215px;
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+ opacity: 0.4;
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+ /* display: none; */
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+ }
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+
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+ #next {
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+ right: 0;
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+ }
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+
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+ #prev span {
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+ font-size: 40px;
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+ }
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+
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+ #next span {
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+ font-size: 40px;
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+ }
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+ </style>
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+</head>
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+
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+<body>
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+ <div id="container">
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+ <div id="img-box">
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+ <img class="actived" src="image/1.jpg" alt="">
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+ <img class="actived" src="image/2.jpg" alt="">
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+ <img class="actived" src="image/3.jpg" alt="">
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+ <img class="actived" src="image/4.jpg" alt="">
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+ <img class="actived" src="image/5.jpg" alt="">
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+ </div>
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+ <ul id="btns">
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+ <li class="select">1</li>
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+ <li>2</li>
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+ <li>3</li>
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+ <li>4</li>
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+ <li>5</li>
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+ </ul>
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+ <div id="prev">
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+ <span class="iconfont icon-shangyige"></span>
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+ </div>
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+ <div id="next">
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+ <span class="iconfont icon-xiayige"></span>
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+ </div>
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+ </div>
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+ <script>
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+ //transtion： 延迟方向 延迟时间 Linear匀速
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+ var btns = document.getElementById('btns')
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+ var uli = btns.getElementsByTagName('li')
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+ var imgs = document.getElementsByClassName('actived')
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+ var imgBox = document.getElementById('img-box')
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+ var next = document.getElementById('next')
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+ var prev = document.getElementById('prev')
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+
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+ var iNow = 0
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+ //点击按钮事件
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+ for (var i = 0; i < uli.length; i++) {
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+ uli[i].index = i
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+ uli[i].onclick = function () {
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+ for (var j = 0; j < uli.length; j++) {
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+ uli[j].className = ''
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+ }
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+ iNow = this.index
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+ this.className = 'select'
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+ imgBox.style.left = -590 * iNow + 'px'
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+ }
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+ }
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+ //点击下一个
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+ next.onclick = function () {
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+ iNow++;
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+ if(iNow > 4){
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+ iNow = 0
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+ }
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+ for (var j = 0; j < uli.length; j++) {
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+ uli[j].className = ''
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+ }
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+ uli[iNow].className = 'select'
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+ imgBox.style.left = -590 * iNow + 'px'
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+ }
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+ </script>
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+</body>
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+
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+</html>
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zsydgithub