HTML&CSS&JS：超级惊艳的全屏图片轮播效果

yycvip · 发表于 2025-9-26 11:21:43

演示效果

HTML&CSS

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>全屏轮播</title>
<style>
@import url("https://fonts.googleapis.com/css2?family=Cinzel:wght@400..900&display=swap");
* {
margin: 0;
padding: 0;
box-sizing: border-box;
--primary: #fff;
--secondary: #2e2d2d;
--frost: rgba(255, 255, 255, 0.4);
}
body {
height: 100vh;
margin: 0;
display: flex;
align-items: center;
background-color: var(--primary);
overflow: hidden;
transition: all 1s ease-in-out;
}
body::before {
content: "";
position: fixed;
inset: 0;
background-color: rgba(255, 255, 255, 0.2);
pointer-events: none;
}
.card {
width: 500px;
height: 200px;
max-width: 80vw;
margin: 0 auto;
display: grid;
grid-template-columns: 1fr 1fr;
border-radius: 5px;
overflow: hidden;
background-color: var(--frost);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
box-shadow: 08px32pxrgba(0, 0, 0, 0.1);
}
.content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
z-index: 50;
background-color: var(--primary);
}
#title {
font-weight: 400;
font-family: "Cinzel", serif;
color: var(--secondary);
font-size: 1.2rem;
}
.image {
overflow: hidden;
}
#slide {
height: 100%;
width: 100%;
object-fit: cover;
}
.dots {
width: 100%;
position: absolute;
bottom: 10px;
left: 0;
display: flex;
gap: 10px;
justify-content: center;
align-items: center;
}
.dot {
height: 15px;
width: 15px;
display: inline-block;
border-radius: 50%;
background-color: var(--frost);
cursor: pointer;
transition: background-color 0.3s ease;
}
.active {
background-color: var(--primary);
}
@keyframes slidein {
from {
transform: translateX(-3000px);
}
to {
transform: translateX(0);
}
}
@media (width >=48rem) {
#title {
font-size: 2rem;
}
}
</style>
</head>
<body>
<div class="card">
<div class="content">
<h1 id="title">Title</h1>
</div>
<div class="image">
<img src="https://q6.itc.cn/q_70/images03/20250116/b5dba16a1f5749a6a375f20f901d6381.png"
alt="Photo of Paul Cuoco from Unsplash" id="slide" />
</div>
</div>
<div class="dots">
<span class="dot"></span>
<span class="dot"></span>
<span class="dot"></span>
</div>
<script>
const collection = [
{
title: "好景",
imageUrl:
"https://q6.itc.cn/q_70/images03/20250116/b5dba16a1f5749a6a375f20f901d6381.png",
imageAlt: "桂林山水"
},
{
title: "好山",
imageUrl:
"https://img0.baidu.com/it/u=3902947011,207703161&fm=253&app=138&f=JPEG?w=800&h=1455",
imageAlt: "桂林山水"
},
{
title: "好水",
imageUrl:
"https://img0.baidu.com/it/u=4091158592,2102354044&fm=253&app=138&f=JPEG?w=800&h=1455",
imageAlt: "桂林山水"
}
];
const slideEl = document.getElementById("slide");
const dots = document.getElementsByClassName("dot");
const titleEl = document.getElementById("title");
let current = 0;
function getCurrentSlide(n) {
current = n;
slideEl.src = collection[n].imageUrl;
slideEl.alt = collection[n].imageAlt;
titleEl.textContent = collection[n].title;
slideEl.style.animation = "none";
void slideEl.offsetWidth;
slideEl.style.animation = "slidein 0.5s ease-in-out forwards";
document.body.style.background = `url(${collection[n].imageUrl})`;
document.body.style.backgroundPosition = "center";
document.body.style.backgroundSize = "cover";
Array.from(dots).forEach((dot, index) => {
if (index === n) {
dot.classList.add("active");
} else {
dot.classList.remove("active");
}
});
}
Array.from(dots).forEach((dot, index) => {
dot.addEventListener("click", () => {
getCurrentSlide(index);
});
});
document.addEventListener("DOMContentLoaded", () => {
getCurrentSlide(current);
setInterval(() => {
current = (current + 1) % collection.length;
getCurrentSlide(current);
}, 2000);
});
</script>
</body>
</html>

复制代码

HTML

card：卡片容器，包含内容和图片。
content：内容区域，包含标题。
image：图片区域，包含一个 img 标签。
dots：指示点容器，包含三个指示点。
script：内联 JavaScript 逻辑。

CSS

@import：引入 Google 字体。 *：全局样式，设置默- 认的边距、填充和盒模型。
body：设置页面背景颜色、高度和过渡效果。
body::before：创建一个半透明的覆盖层。
.card：定义卡片的大小、布局和样式。
.content：定义内容区域的布局。
#title：设置标题的字体、颜色和大小。
.image：定义图片区域的样式。
#slide：设置图片的样式，确保图片覆盖整个区域。
.dots：定义指示点的布局。
.dot：定义单个指示点的样式。
.active：定义活动指示点的样式。
@keyframes slidein：定义图片滑入的动画效果。
@media：响应式设计，调整标题大小。

JavaScript

const collection = [
{
title: "好景",
imageUrl: "https://q6.itc.cn/q_70/images03/20250116/b5dba16a1f5749a6a375f20f901d6381.png",
imageAlt: "桂林山水"
},
{
title: "好山",
imageUrl: "https://img0.baidu.com/it/u=3902947011,207703161&fm=253&app=138&f=JPEG?w=800&h=1455",
imageAlt: "桂林山水"
},
{
title: "好水",
imageUrl: "https://img0.baidu.com/it/u=4091158592,2102354044&fm=253&app=138&f=JPEG?w=800&h=1455",
imageAlt: "桂林山水"
}
];
const slideEl = document.getElementById("slide");
const dots = document.getElementsByClassName("dot");
const titleEl = document.getElementById("title");
let current = 0;
function getCurrentSlide(n) {
current = n;
slideEl.src = collection[n].imageUrl;
slideEl.alt = collection[n].imageAlt;
titleEl.textContent = collection[n].title;
slideEl.style.animation = "none";
void slideEl.offsetWidth;
slideEl.style.animation = "slidein 0.5s ease-in-out forwards";
document.body.style.background = `url(${collection[n].imageUrl})`;
document.body.style.backgroundPosition = "center";
document.body.style.backgroundSize = "cover";
Array.from(dots).forEach((dot, index) => {
if (index === n) {
dot.classList.add("active");
} else {
dot.classList.remove("active");
}
});
}
Array.from(dots).forEach((dot, index) => {
dot.addEventListener("click", () => {
getCurrentSlide(index);
});
});
document.addEventListener("DOMContentLoaded", () => {
getCurrentSlide(current);
setInterval(() => {
current = (current + 1) % collection.length;
getCurrentSlide(current);
}, 2000);
});

复制代码

collection：定义了一个包含图片信息的数组，每张图片有标题、图片 URL 和描述。slideEl、dots、titleEl：获取页面中的图片、指示点和标题元素。current：当前显示的图片索引。

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