lovecoding
/
VIP30


			
				
					
						
						
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							<!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">
  <title>Document</title>
  <link rel="stylesheet" href="./icon/iconfont.css">
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    ul {
      list-style: none;
    }

    #container {
      width: 590px;
      height: 470px;
      margin: 100px auto;
      position: relative;
      /* overflow: hidden; */
    }

    #img-box img {
      position: absolute;
      opacity: 0;
      /* 透明度 延迟时间  匀速执行 */
      transition: opacity 1s linear ;
    }

    #img-box .choice {
      opacity: 1;
    }

    #btns {
      position: absolute;
      right: 10px;
      bottom: 10px;
    }

    #btns li {
      width: 20px;
      height: 20px;
      border-radius: 10px;
      background: aqua;
      text-align: center;
      line-height: 20px;
      color: white;
      float: left;
      margin-right: 5px;
    }

    #btns .select {
      background: red;
    }

    #next,
    #prev {
      width: 40px;
      height: 40px;
      position: absolute;
      top: 215px;
      opacity: 0.4;
      display: none;
    }

    #next {
      right: 0;
    }

    #next span {
      font-size: 40px;
    }

    #prev span {
      font-size: 40px;
    }
  </style>
</head>

<body>
  <div id="container">
    <div id="img-box">
      <img class="selected choice" src="image/1.jpg" alt="">
      <img class="selected" src="image/2.jpg" alt="">
      <img class="selected" src="image/3.jpg" alt="">
      <img class="selected" src="image/4.jpg" alt="">
      <img class="selected" src="image/5.jpg" alt="">
    </div>
    <ul id="btns">
      <li class="select">1</li>
      <li>2</li>
      <li>3</li>
      <li>4</li>
      <li>5</li>
    </ul>
    <div id="next">
      <span class="iconfont icon-next"></span>
    </div>
    <div id="prev">
      <span class="iconfont icon-prev"></span>
    </div>
  </div>
  <script>
    var btns = document.getElementsByTagName('li')
    var imgs = document.getElementsByClassName('selected')

    for (var i = 0; i < btns.length; i++) {
      btns[i].index = i
      btns[i].onclick = function () {
        for (var k = 0; k < btns.length; k++) {
          btns[k].className = ''
          imgs[k].className = 'selected'
        }
        this.className = 'select'
        imgs[this.index].className = 'selected choice'
      }
    }
  </script>
</body>

</html>