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编码猿
2024-09-27 02:06:13 +08:00
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历届学生/front-end-team-10/项目练习/学生项目/韩孟雪/2023-2-28/banner_1.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>banner_1</title>
<link rel="stylesheet" href="http://at.alicdn.com/t/c/font_3889063_w9zrujr1cf.css">
<style>
* {
margin: 0;
padding: 0;
list-style: none;
border: 0;
}
.banner {
width: 560px;
height: 315px;
background: rgb(190, 165, 165);
margin: 0 auto;
overflow: hidden;
position: relative;
}
.banner .banner_ul {
display: flex;
position: absolute;
transition: all 1s;
}
.banner_ul li {
width: 560px;
height: 315px;
}
.banner_ul li img {
width: 560px;
height: 315px;
}
.button {
width: 100%;
position: absolute;
top: 50%;
transform: translateY(-50%);
display: flex;
justify-content: space-between;
font-size: 30px;
}
.button div {
display: flex;
align-items: center;
justify-content: center;
width: 40px;
height: 50px;
background: #00000061;
font-size: 20px;
color: #fff;
cursor: pointer;
}
.button div:last-child{
transform: rotate(-90deg);
}
.banner_dot {
position: absolute;
bottom: 5px;
left: 50%;
transform: translatey(-50%);
width: 100%;
display: flex;
}
.banner_dot i {
width: 13px;
height: 13px;
border-radius: 50%;
background: #fff;
margin-left: 5px;
cursor: pointer;
}
.banner_dot i:first-child {
margin-left: 0;
}
.banner_dot .active {
background: red;
}
</style>
</head>
<body>
<div class="banner">
<ul class="banner_ul" style="left: 0px">
<li><img src="https://img.alicdn.com/imgextra/i4/6000000001058/O1CN017HPzlT1Jgbr6Rvc4X_!!6000000001058-0-octopus.jpg"
alt=""></li>
<li><img src="https://img.alicdn.com/imgextra/i4/6000000003739/O1CN01ks7Fjr1dUVhwWXLWB_!!6000000003739-0-octopus.jpg"
alt=""></li>
<li><img src="https://img.alicdn.com/imgextra/i1/6000000003795/O1CN01g3s9jf1du9t00iRTU_!!6000000003795-0-octopus.jpg"
alt=""></li>
</ul>
<div class="button">
<div class="button_left iconfont icon-zhankai-copy"></div>
<div class="button_right iconfont icon-zhankai"></div>
</div>
<div class="banner_dot">
<i class="active"></i>
<i></i>
<i></i>
</div>
</div>
</body>
<script>
//轮播图
//点击按钮向左移动，向右移动
//小图标跟随点击移动
var buttonLeft = $(".button_left"),
buttoRight = $(".button_right"),
buttonUl = $(".banner_ul"),
active = _(".active");
banner_dot = _(".banner_dot i")
var gtime = null;
buttonLeft.onclick = () => {
sport(560)
}
buttoRight.onclick = () => {
sport(-560)
}
banner_dot.forEach((v, i) => {
v.onclick = () => {
changeActive(i);
}
})
$(".banner").onmouseover = () => {
clearInterval(gtime)
}
$(".banner").onmouseout = () => {
auto()
}
function changeActive(i) {
banner_dot.forEach(val => {
val.classList.remove("active");
})
banner_dot[i].classList.add("active");
//console.log(i);
//sport(i * 560)
buttonUl.style.left = `${i * -560}px`
}
function sport(offset) {
var oldLeft = parseInt(buttonUl.style.left);
var newLeft = `${oldLeft + offset}px `
//console.log(parseInt(newLeft));
if (parseInt(newLeft) >= -1120 && parseInt(newLeft) <= 0) {
changeActive(parseInt(newLeft) / -560)
}
//向左最大移动到1120，向右最大-1120 >=0 || <=1260
if (parseInt(newLeft) >= -1120 && parseInt(newLeft) <= 0) {
buttonUl.style.left = newLeft;
} else {
newLeft = `${0}px`
buttonUl.style.left = newLeft;
}
changeActive(parseInt(newLeft) / -560)
}
function auto() {
gtime = setInterval(() => {
buttoRight.onclick()
}, 2500)
}
auto()
function $(className) {
return document.querySelector(className);
}
function _(className) {
return document.querySelectorAll(className);
}
</script>
</html>