<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Image Carousel</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
box-sizing: border-box;
background-color: #f0f2f5;
}
.carousel {
max-width: 800px;
margin: 50px auto;
position: relative;
overflow: hidden;
border-radius: 8px;
}
.carousel img {
width: 100%;
display: block;
transition: opacity 0.5s ease-in-out;
}
.carousel .prev, .carousel .next {
position: absolute;
top: 50%;
transform: translateY(-50%);
background-color: rgba(0, 0, 0, 0.5);
color: white;
border: none;
padding: 10px;
cursor: pointer;
font-size: 2em;
z-index: 1;
}
.carousel .prev {
left: 10px;
}
.carousel .next {
right: 10px;
}
</style>
</head>
<body>
<div class="carousel">
<img src="https://via.placeholder.com/800x400?text=Image+1" alt="Image 1">
<img src="https://via.placeholder.com/800x400?text=Image+2" alt="Image 2" style="display: none;">
<img src="https://via.placeholder.com/800x400?text=Image+3" alt="Image 3" style="display: none;">
<button class="prev" onclick="prevSlide()">❮</button>
<button class="next" onclick="nextSlide()">❯</button>
</div>
<script>
let index = 0;
const slides = document.querySelectorAll('.carousel img');
const totalSlides = slides.length;
function showSlide(n) {
slides.forEach((slide, i) => {
slide.style.display = (i === n) ? 'block' : 'none';
});
}
function nextSlide() {
index = (index + 1) % totalSlides;
showSlide(index);
}
function prevSlide() {
index = (index - 1 + totalSlides) % totalSlides;
showSlide(index);
}
showSlide(index);
</script>
</body>
</html>
图像轮播
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