一个简单的banner
Posted JackySei
tags:
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效果如图
<!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>Document</title>
<link rel="stylesheet" type="text/css" href="index.css">
</head>
<body>
<div class="slideshow-container">
<div class="mySlides fade">
<div class="numbertext">1 / 3</div>
<img src="http://p1.music.126.net/JDA9Mc6YO3nTMnEimb3rcQ==/109951165826728087.jpg?imageView&quality=89" style="width:100%">
<div class="text">文本 1</div>
</div>
<div class="mySlides fade">
<div class="numbertext">2 / 3</div>
<img src="http://p1.music.126.net/dZM0pYjOo5YnrqBBuVkizg==/109951165826681764.jpg?imageView&quality=89" style="width:100%">
<div class="text">文本 2</div>
</div>
<div class="mySlides fade">
<div class="numbertext">3 / 3</div>
<img src="http://p1.music.126.net/X_0mHX5wodFIRtggXDut-w==/109951165832595396.jpg?imageView&quality=89" style="width:100%">
<div class="text">文本 3</div>
</div>
<a class="prev">❮</a>
<a class="next">❯</a>
</div>
<br>
<div style="text-align:center">
<span class="dot"></span>
<span class="dot"></span>
<span class="dot"></span>
</div>
<script src="index.js"></script>
</body>
</html>
* {box-sizing:border-box}
.mySlides {display:none}
/* 幻灯片容器 */
.slideshow-container {
max-width: 1000px;
position: relative;
margin: auto;
}
/* 下一张 & 上一张 按钮 */
.prev, .next {
cursor: pointer;
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;
}
/* 定位 "下一张" 按钮靠右 */
.next {
right: 0;
border-radius: 3px 0 0 3px;
}
.prev:hover, .next:hover {
background-color: rgba(0,0,0,0.8);
}
/* 标题文本 */
.text {
color: #f2f2f2;
font-size: 15px;
padding: 8px 12px;
position: absolute;
bottom: 8px;
width: 100%;
text-align: center;
}
/* 数字文本 (1/3 等) */
.numbertext {
color: #f2f2f2;
font-size: 12px;
padding: 8px 12px;
position: absolute;
top: 0;
}
/* 标记符号 */
.dot {
cursor:pointer;
height: 13px;
width: 13px;
margin: 0 2px;
background-color: #bbb;
border-radius: 50%;
display: inline-block;
transition: background-color 0.6s ease;
}
.active, .dot:hover {
background-color: #717171;
}
/* 淡出动画 *//*这里也可以使用过渡实现该效果*/
.fade {
-webkit-animation-name: fade;
-webkit-animation-duration: 2.5s;
animation-name: fade;
animation-duration: 2.5s;
}
@-webkit-keyframes fade {
from {opacity: 0.5}
to {opacity: 1}
}
@keyframes fade {
from {opacity: 0.5}
to {opacity: 1}
}
var slideIndex = 0;
showSlides();
function showSlides() {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
for (i = 0; i < slides.length; i++) {
slides[i].style.display = "none";
}
slideIndex++;
if (slideIndex > slides.length) {slideIndex = 1}
for (i = 0; i < dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
setTimeout(showSlides, 3000); // 切换时间为 3 秒
}
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