div+css幻灯代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Div+CSS Slideshow</title>
    <style>
        .slideshow {
            position: relative;
            width: 80%;
            margin: 0 auto;
            overflow: hidden;
        }
        .slide {
            position: absolute;
            width: 100%;
            height: 300px;
            opacity: 0;
            transition: opacity 1s ease-in-out;
        }
        .slide.active {
            opacity: 1;
        }
        .slide img {
            width: 100%;
            height: auto;
        }
    </style>
</head>
<body>
    <div class="slideshow">
        <div class="slide active">
            <img src="image1.jpg" alt="Image 1">
        </div>
        <div class="slide">
            <img src="image2.jpg" alt="Image 2">
        </div>
        <div class="slide">
            <img src="image3.jpg" alt="Image 3">
        </div>
    </div>

    <script>
        const slides = document.querySelectorAll('.slide');
        let currentSlide = 0;

        function nextSlide() {
            slides[currentSlide].classList.remove('active');
            currentSlide = (currentSlide + 1) % slides.length;
            slides[currentSlide].classList.add('active');
        }

        setInterval(nextSlide, 3000);
    </script>
</body>
</html>