dedecms轮播代码

<div class="carousel">
  <div class="carousel-inner">
    <div class="carousel-item">
      <img src="image1.jpg" alt="Image 1">
    </div>
    <div class="carousel-item">
      <img src="image2.jpg" alt="Image 2">
    </div>
    <div class="carousel-item">
      <img src="image3.jpg" alt="Image 3">
    </div>
  </div>
  <button class="carousel-control-prev" onclick="prevSlide()">&#10094;</button>
  <button class="carousel-control-next" onclick="nextSlide()">&#10095;</button>
</div>

<script>
  let currentIndex = 0;
  const items = document.querySelectorAll('.carousel-item');
  const totalItems = items.length;

  function showSlide(index) {
    items.forEach((item, i) => {
      item.style.display = i === index ? 'block' : 'none';
    });
  }

  function nextSlide() {
    currentIndex = (currentIndex + 1) % totalItems;
    showSlide(currentIndex);
  }

  function prevSlide() {
    currentIndex = (currentIndex - 1 + totalItems) % totalItems;
    showSlide(currentIndex);
  }

  // 自动播放
  setInterval(nextSlide, 3000);

  // 初始化显示第一张图片
  showSlide(currentIndex);
</script>

<style>
  .carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
  }
  .carousel-inner {
    position: relative;
    width: 100%;
  }
  .carousel-item {
    display: none;
    width: 100%;
  }
  .carousel-item img {
    width: 100%;
    height: auto;
  }
  .carousel-control-prev, .carousel-control-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
  }
  .carousel-control-prev {
    left: 10px;
  }
  .carousel-control-next {
    right: 10px;
  }
</style>