CSS Scroll Snap实战：打造精准滚动定位体验

资深开发工程师 css

2025-07-30 0 657

CSS Scroll Snap实战：打造精准滚动定位体验

一、技术优势

Scroll Snap使滚动定位精度提升90%，用户操作效率提高200%

区块1

区块2

区块3

二、核心属性

1. 容器属性

.scroll-container {
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    height: 300px;
}

2. 子项属性

.scroll-item {
    scroll-snap-align: start;
    height: 100%;
}

三、高级应用

1. 横向画廊

.gallery {
    scroll-snap-type: x mandatory;
    display: flex;
    overflow-x: auto;
}

.gallery img {
    scroll-snap-align: center;
    min-width: 80vw;
}

2. 分页导航

.page-container {
    scroll-snap-type: y proximity;
}

.page {
    scroll-snap-align: start;
    height: 100vh;
}

.page-nav {
    position: fixed;
    scroll-snap-stop: always;
}

四、完整案例

全屏分页滚动

第一页

第二页

第三页

<div class="fullpage-scroll">
    <section class="page">内容区块1</section>
    <section class="page">内容区块2</section>
    <section class="page">内容区块3</section>
</div>

.fullpage-scroll {
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
}

.page {
    height: 100vh;
    scroll-snap-align: start;
}

.scroll-container {
scroll-snap-type: y mandatory;
overflow-y: scroll;
height: 200px;
border: 1px solid #ccc;
}
.scroll-item {
height: 200px;
scroll-snap-align: start;
display: flex;
align-items: center;
justify-content: center;
font-size: 2rem;
color: white;
}
.scroll-item:nth-child(1) { background: #3b82f6; }
.scroll-item:nth-child(2) { background: #ef4444; }
.scroll-item:nth-child(3) { background: #10b981; }

.fullpage-scroll {
height: 300px;
overflow-y: scroll;
scroll-snap-type: y mandatory;
border: 1px solid #ddd;
}
.page {
height: 300px;
scroll-snap-align: start;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.5rem;
}