编程实现自动播放照片和手动滑动照片的功能Linus
时间: 2023-06-26 14:10:28 浏览: 61
要实现自动播放照片和手动滑动照片的功能,可以使用JavaScript编写代码,以下是一个简单的实现:
HTML代码:
```html
<div class="slideshow-container">
<div class="mySlides fade">
<img src="image1.jpg">
</div>
<div class="mySlides fade">
<img src="image2.jpg">
</div>
<div class="mySlides fade">
<img src="image3.jpg">
</div>
<a class="prev" onclick="plusSlides(-1)">❮</a>
<a class="next" onclick="plusSlides(1)">❯</a>
</div>
```
CSS代码:
```css
.slideshow-container {
position: relative;
}
.mySlides {
display: none;
}
.prev, .next {
position: absolute;
top: 50%;
width: auto;
margin-top: -22px;
padding: 16px;
color: white;
font-weight: bold;
font-size: 18px;
transition: 0.6s ease;
border-radius: 0 3px 3px 0;
user-select: none;
}
.next {
right: 0;
border-radius: 3px 0 0 3px;
}
.prev:hover, .next:hover {
background-color: rgba(0,0,0,0.8);
}
.fade {
animation-name: fade;
animation-duration: 1.5s;
}
@keyframes fade {
from {opacity: .4}
to {opacity: 1}
}
```
JavaScript代码:
```javascript
var slideIndex = 0;
showSlides();
function showSlides() {
var i;
var slides = document.getElementsByClassName("mySlides");
for (i = 0; i < slides.length; i++) {
slides[i].style.display = "none";
}
slideIndex++;
if (slideIndex > slides.length) {slideIndex = 1}
slides[slideIndex-1].style.display = "block";
setTimeout(showSlides, 2000); // 切换时间间隔为2秒
}
function plusSlides(n) {
showSlides(slideIndex += n);
}
```
这段代码使用`showSlides`函数来实现自动播放图片,`plusSlides`函数实现手动切换图片。CSS代码用于美化幻灯片。