全屏轮播用哪种颜色好

全屏轮播海报代码

以下是一个基本的全屏轮播海报代码示例：
HTML:
```

```
CSS:
```
.slider {
position: relative;
width: 100%;
height: 100vh;
overflow: hidden;
}
.slide {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-size: cover;
background-position: center;
opacity: 0;
transition: opacity 1s ease-in-out;
}
.slide1 {
background-ima ge: url('ima ge1.jpg');
opacity: 1;
}
.slide2 {
background-ima ge: url('ima ge2.jpg');
}
.slide3 {
background-ima ge: url('ima ge3.jpg');
}
.slide.active {
opacity: 1;
}
.slider-na v {
position: absolute;
bottom: 20px;
left: 50%;
transform: translateX(-50%);
}
.slider-na v a {
display: inline-block;
width: 10px;
height: 10px;
background-c o l o r: #fff;
border-radius: 50%;
margin-right: 10px;
}
.slider-na v a.active {
background-c o l o r: #000;
}
```
Ja vaScript:
```
var slides = document.querySelectorAll('.slide');
var currentSlide = 0;
var slideInterval = setInterval(nextSlide, 5000);
function nextSlide() {
slides[currentSlide].classList.remove('active');
currentSlide = (currentSlide + 1) % slides.length;
slides[currentSlide].classList.add('active');
}
var sliderNa v = document.createElement('div');
sliderNa v.setAttribute('class', 'slider-na v');
for (var i = 0; i < slides.length; i++) {
var na vItem = document.createElement('a');
na vItem.setAttribute('href', '#');
na vItem.setAttribute('data-slide', i);
if (i === 0) {
na vItem.setAttribute('class', 'active');
}
sliderNa v.appendChild(na vItem);
}
document.querySelector('.slider').appendChild(sliderNa v);
var na vItems = document.querySelectorAll('.slider-na v a');
for (var i = 0; i < na vItems.length; i++) {
na vItems[i].addEventListener('click', function(e) {
e.preventDefault();
var slideNumber = parseInt(this.getAttribute('data-slide'));
slides[currentSlide].classList.remove('active');
currentSlide = slideNumber;
slides[currentSlide].classList.add('active');
for (var j = 0; j < na vItems.length; j++) {
na vItems[j].classList.remove('active');
}
this.classList.add('active');
clearInterval(slideInterval);
slideInterval = setInterval(nextSlide, 5000);
});
}
```
这个代码示例使用了HTML、CSS和Ja vaScript来创建一个全屏轮播海报。HTML中的.slider包含了几个.slide元素，每个.slide元素都包含了一个背景图片。CSS中设置了.slider元素的宽度和高度为100%，并设置了.slide元素的位置和不透明度。Ja vaScript中定义了一个nextSlide函数和一个slideInterval计时器来控制轮播。它还创建了一个.slider-na v元素，其中包含了与.slide元素数量相同的导航项。导航项与.slide元素相关联，并在单击时切换到相应的幻灯片。