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@@ -0,0 +1,139 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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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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+ <style>
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+ /* css reset */
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+ body,ul{
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+ margin:0;
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+ padding: 0;
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+ }
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+ li{
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+ list-style: none;
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+ }
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+ body{
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+ height: 100vh;
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+ background-color: black;
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+ overflow: hidden;
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+ }
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+ .container{
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+ width: 490px;
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+ height: 170px;
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+ border:5px solid #fff;
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+ margin: 100px auto;
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+ position: relative;
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+ }
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+ .container .slider-img{
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+ position: relative;
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+ }
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+ .container .slider-img img{
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+ width: 490px;
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+ height: 170px;
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+ }
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+ .container .slider-img li{
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+ position: absolute;
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+ top:0;
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+ left: 0;
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+ display: none;
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+ }
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+ .container .slider-img .active{
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+ display: block;
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+ }
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+ .slider-btn{
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+ position: absolute;
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+ bottom: 10px;
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+ left: 0;
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+ width: 100%;
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+ }
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+ .slider-btn ul li{
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+ color: #fff;
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+ display: inline-block;
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+ width: 20px;
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+ height: 20px;
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+ background-color: #f90;
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+ border-radius: 50%;
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+ text-align: center;
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+ line-height: 20px;
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+ cursor: pointer;
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+ }
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+ .slider-btn .active{
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+ background-color: red;
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+ }
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+ .slider-btn .slider-btn-left{
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+ float: left;
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+ padding-left: 20px;
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+ }
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+ .slider-btn .slider-btn-right{
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+ float: right;
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+ padding-right: 20px;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <div class="container">
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+ <div class="slider-img">
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+ <ul>
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+ <li class="img-item active">
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+ <img src="./image/image.png" alt="img">
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+ </li>
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+ <li class="img-item">
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+ <img src="./image/image1.png" alt="img">
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+ </li>
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+ <li class="img-item">
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+ <img src="./image/image2.png" alt="img">
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+ </li>
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+ <li class="img-item">
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+ <img src="./image/image3.png" alt="img">
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+ </li>
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+ <li class="img-item">
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+ <img src="./image/image4.png" alt="img">
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+ </li>
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+ </ul>
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+ </div>
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+ <div class="slider-btn">
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+ <div class="slider-btn-left">
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+ <ul>
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+ <li><</li>
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+ <li>></li>
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+ </ul>
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+ </div>
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+ <div class="slider-btn-right">
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+ <ul>
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+ <li class="num-btn active">1</li>
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+ <li class="num-btn">2</li>
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+ <li class="num-btn">3</li>
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+ <li class="num-btn">4</li>
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+ <li class="num-btn">5</li>
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+ </ul>
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+ </div>
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+ </div>
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+ </div>
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+ <script>
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+ // 获取5个数字按钮
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+ var numBtn = document.getElementsByClassName("num-btn");
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+ // 获取5张图片
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+ var imgItem = document.getElementsByClassName("img-item");
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+
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+ // 给5个数字按钮绑定事件
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+ for(var i=0;i<numBtn.length;i++){
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+ // 循环过程当中给每一个按钮添加一个新属性index 用来保存索引i
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+ numBtn[i].index = i;
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+ numBtn[i].onmouseenter = function(){
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+ // 循环所有按钮 将选中状态的active类逐个移除
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+ for(var j=0;j<numBtn.length;j++){
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+ // 移除按钮的active类
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+ numBtn[j].classList.remove("active");
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+ // 移除图片的选中状态 active类
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+ imgItem[j].classList.remove("active");
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+ }
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+ // 向当前移入的数字按钮中添加一个新类 activ 变为选中状态
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+ this.classList.add("active");
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+ // 向制定索引的图片添加选中状态acitve类
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+ imgItem[this.index].classList.add("active");
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+ }
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+ }
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+ </script>
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+</body>
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+</html>
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