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%
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
<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;
}