基础概念: 手机端滑动切换效果通常指的是在移动设备上,通过手指的滑动操作来切换页面内容或视图的一种交互设计。这种效果主要依赖于JavaScript以及相关的CSS3动画来实现流畅的用户体验。
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应用场景:
常见问题及解决方法:
示例代码(水平滑动切换效果):
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Swipe Example</title>
<style>
.slider {
width: 100%;
overflow: hidden;
position: relative;
}
.slide {
width: 100%;
height: 300px;
display: flex;
justify-content: center;
align-items: center;
font-size: 2em;
color: white;
position: absolute;
transition: transform 0.3s ease-in-out;
}
.slide:nth-child(1) { background-color: red; }
.slide:nth-child(2) { background-color: green; }
.slide:nth-child(3) { background-color: blue; }
</style>
</head>
<body>
<div class="slider" id="slider">
<div class="slide">Slide 1</div>
<div class="slide">Slide 2</div>
<div class="slide">Slide 3</div>
</div>
<script>
let startX = 0;
let currentTranslate = 0;
let prevTranslate = 0;
let animationID = 0;
const slider = document.getElementById('slider');
const slides = document.querySelectorAll('.slide');
let currentIndex = 0;
slider.addEventListener('touchstart', touchStart);
slider.addEventListener('touchmove', touchMove);
slider.addEventListener('touchend', touchEnd);
function touchStart(event) {
startX = event.touches[0].clientX;
cancelAnimationFrame(animationID);
}
function touchMove(event) {
const currentX = event.touches[0].clientX;
currentTranslate = prevTranslate + currentX - startX;
}
function touchEnd() {
const movedBy = currentTranslate - prevTranslate;
if (movedBy < -100 && currentIndex < slides.length - 1) currentIndex += 1;
if (movedBy > 100 && currentIndex > 0) currentIndex -= 1;
setSliderPosition();
}
function setSliderPosition() {
currentTranslate = currentIndex * -window.innerWidth;
prevTranslate = currentTranslate;
slider.style.transform = `translateX(${currentTranslate}px)`;
animationID = requestAnimationFrame(setSliderPosition);
}
</script>
</body>
</html>
这段代码实现了一个简单的水平滑动切换效果,用户可以通过左右滑动来切换不同的幻灯片。
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