轮播图 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <link rel="stylesheet" href="font/iconfont.css">
        <link rel="stylesheet" href="new_file.css">
    </head>
    <body>
        <div class="slideshow">
            <img src="img/1.gif" class="current">
            <img src="img/2.gif" class="next">
            <img src="img/3.gif" >
            <img src="img/4.gif" class="prev">
            <div class="button left">
                <span class="iconfont icon-xiangzuo"></span>
            </div>
            <div class="button right">
                <span class="iconfont icon-xiangyou"></span>
            </div>
        </div>
        <script src="new_file.js"></script>
    </body>
</html>

*{
    margin: 0;
    padding: 0;
}
body{
    height: 100vh;
    background-color: rgb(170, 190, 250);
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
.slideshow{
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
img{
    display: block;
    width: 240px;
    height: 320px;
    background-color: white;
    clip-path: circle(120px);
    position: absolute;
    opacity: 0;
    z-index: -1;
    transition: all 0.5s;
}
.current{
    opacity: 1;
    z-index: 99;
    transform: scale(1.5);
}
.prev{
    opacity: 0.5;
    z-index: 10;
    transform: translateX(-100%);
}
.next{
    opacity: 0.5;
    z-index: 10;
    transform: translateX(100%);
}
.button{
    position: absolute;
    z-index: 100;
    cursor: pointer;
    background-color: black;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    opacity: 0.5;
}
.button span{
    font-size: 25px;
}
.button.left{
    transform: translateX(-180px);
}
.button.right{
    transform: translateX(180px);
}

let left = document.querySelector('.left')
let right = document.querySelector('.right')
let imgs = document.querySelectorAll('img')
let prev = 3
let current = 0
let next = 1

console.log(prev,current,next);

left.onclick = ()=>{
    prev = current
    current = next
    next = next + 1
    if (next>3){
        next=0
    }
    console.log(prev,current,next);
    imgs.forEach((img)=>{img.removeAttribute('class')})
    imgs[prev].className='prev'
    imgs[current].className='current'
    imgs[next].className='next'
}

right.onclick = ()=>{
    next = current
    current = prev
    prev = prev - 1
    if (prev<0){
        prev=3
    }
    console.log(prev,current,next);
    imgs.forEach((img)=>{img.removeAttribute('class')})
    imgs[prev].className='prev'
    imgs[current].className='current'
    imgs[next].className='next'
}
posted @ 2023-04-07 19:20  不尽人意的K  阅读(24)  评论(0)  编辑  收藏  举报