html图片轮播代码

时间：2026-04-01 21:03:33

下面是一个简单的 HTML 图片轮播（carousel）代码示例，使用纯 HTML 和 CSS 实现，没有依赖任何库（如 jQuery）。

✅ HTML + CSS 图片轮播代码

<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <title>图片轮播</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      text-align: center;
      background: #f0f0f0;
    }

    .carousel {
      position: relative;
      width: 600px;
      height: 400px;
      margin: 0 auto;
      overflow: hidden;
    }

    .carousel img {
      width: 100%;
      height: 100%;
      display: none;
    }

    .carousel img.active {
      display: block;
    }

    .carousel-controls {
      position: absolute;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 10px;
      justify-content: center;
    }

    .carousel-controls button {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
    }

    .carousel-controls button:hover {
      color: #007bff;
    }
  </style>
</head>
<body>

  <div  id="carousel">
    <img src="image1.jpg"  >
    <img src="image2.jpg" >
    <img src="image3.jpg" >
  </div>

  <div >
    <button onclick="prevImage()">❮</button>
    <button onclick="nextImage()">❯</button>
  </div>

  <script>
    const carousel = document.getElementById('carousel');
    const images = carousel.querySelectorAll('img');
    let currentIndex = 0;

    function showImage(index) {
      images.forEach((img, i) => {
        img.classList.remove('active');
        if (i === index) img.classList.add('active');
      });
    }

    function nextImage() {
      currentIndex = (currentIndex + 1) % images.length;
      showImage(currentIndex);
    }

    function prevImage() {
      currentIndex = (currentIndex - 1 + images.length) % images.length;
      showImage(currentIndex);
    }

    // 初始显示第一个图片
    showImage(0);
  </script>

</body>
</html>

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