求一段简单的js图片轮播代码,刚学js,不要太复杂。谢谢!
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发布时间：2022-04-28 10:42
共3个回答
懂视网
时间：2022-04-29 11:45
JS实现焦点图轮播效果
效果图：
(不过里面的图片路径需要自己改成自己的图片路径，否则是没有图片显示的哦)
代码如下，复制即可使用：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>JS实现焦点图轮播效果</title>
<style type="text/css">
* {
margin: 0;
padding: 0;
text-decoration: none;
}
body {
padding: 20px;
}
#container {
width: 600px;
height: 400px;
border: 3px solid #333;
overflow: hidden;
position: relative;
}
#list {
width: 4200px;
height: 400px;
position: absolute;
z-index: 1;
}
#list img {
float: left;
}
#buttons {
position: absolute;
height: 10px;
width: 100px;
z-index: 2;
bottom: 20px;
left: 250px;
}
#buttons span {
cursor: pointer;
float: left;
border: 1px solid #fff;
width: 10px;
height: 10px;
border-radius: 50%;
background: #333;
margin-right: 5px;
}
#buttons .on {
background: orangered;
}
.arrow {
cursor: pointer;
display: none;
line-height: 39px;
text-align: center;
font-size: 36px;
font-weight: bold;
width: 40px;
height: 40px;
position: absolute;
z-index: 2;
top: 180px;
background-color: RGBA(0, 0, 0, .3);
color: #fff;
}
.arrow:hover {
background-color: RGBA(0, 0, 0, .7);
}
#container:hover .arrow {
display: block;
}
#prev {
left: 20px;
}
#next {
right: 20px;
}
</style>
<script type="text/javascript">
window.onload = function() {
var container = document.getElementById('container');
var list = document.getElementById('list');
var buttons = document.getElementById('buttons').getElementsByTagName('span');
var prev = document.getElementById('prev');
var next = document.getElementById('next');
var index = 1;
var len = 5;
var animated = false;
var interval = 3000;
var timer;
function animate(offset) {
if(offset == 0) {
return;
}
animated = true;
var time = 300;
var inteval = 10;
var speed = offset / (time / inteval);
var left = parseInt(list.style.left) + offset;
var go = function() {
if((speed > 0 && parseInt(list.style.left) < left) ||
(speed < 0 && parseInt(list.style.left) > left)) {
list.style.left = parseInt(list.style.left) + speed + 'px';
setTimeout(go, inteval);
} else {
list.style.left = left + 'px';
if(left > -200) {
list.style.left = -600 * len + 'px';
}
if(left < (-600 * len)) {
list.style.left = '-600px';
}
animated = false;
}
}
go();
}
function showButton() {
for(var i = 0; i < buttons.length; i++) {
if(buttons[i].className == 'on') {
buttons[i].className = '';
break;
}
}
buttons[index - 1].className = 'on';
}
function play() {
timer = setTimeout(function() {
next.onclick();
play();
}, interval);
}
function stop() {
clearTimeout(timer);
}
next.onclick = function() {
if(animated) {
return;
}
if(index == 5) {
index = 1;
} else {
index += 1;
}
animate(-600);
showButton();
}
prev.onclick = function() {
if(animated) {
return;
}
if(index == 1) {
index = 5;
} else {
index -= 1;
}
animate(600);
showButton();
}
for(var i = 0; i < buttons.length; i++) {
buttons[i].onclick = function() {
if(animated) {
return;
}
if(this.className == 'on') {
return;
}
var myIndex = parseInt(this.getAttribute('index'));
var offset = -600 * (myIndex - index);
animate(offset);
index = myIndex;
showButton();
}
}
container.onmouseover = stop;
container.onmouseout = play;
play();
}
</script>
</head>
<body>
<div id="container">
<div id="list" style="left: -600px;">
<!-- 放最后的一张图片 -图片需要改为自己的图片路径 -->
<img src="img/5.jpg" alt="1" />
<img src="img/1.jpg" alt="1" />
<img src="img/2.jpg" alt="2" />
<img src="img/3.jpg" alt="3" />
<img src="img/4.jpg" alt="4" />
<img src="img/5.jpg" alt="5" />
<!-- 放第一张的图片 -->
<img src="img/1.jpg" alt="5" />
</div>
<div id="buttons">
<span index="1" class="on"></span>
<span index="2"></span>
<span index="3"></span>
<span index="4"></span>
<span index="5"></span>
</div>
<a href="javascript:;" id="prev" class="arrow"><</a>
<a href="javascript:;" id="next" class="arrow">></a>
</div>
</body>
</html>更多炫酷CSS3、html5、javascript特效代码，尽在：js特效大全
热心网友
时间：2022-04-29 08:53
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="keywords" content="焦点图" />
<meta name="description" content="焦点图代码" />
<title>焦点图</title>
<script type="text/javascript" src="http://www.jinchuwenhua.com/templets/default/js/jquery.js"></script>
<script type="text/javascript" src="http://www.jinchuwenhua.com/templets/default/js/slide.js"></script>
</head>
<body>
<!-- 代码 开始 -->
<style>
.ck-slide ul { margin: 0; padding: 0; list-style-type: none;}
.ck-slide { position: relative; overflow: hidden;}
.ck-slide ul.ck-slide-wrapper { position: absolute; top: 0; left: 0; z-index: 1; margin: 0; padding: 0;}
.ck-slide ul.ck-slide-wrapper li { position: absolute;}
.ck-slide .ck-prev, .ck-slide .ck-next { position: absolute; top: 50%; z-index: 2; width: 35px; height: 70px; margin-top: -35px; border-radius: 3px; opacity: .15; background: red; text-indent: -9999px; background-repeat: no-repeat; transition: opacity .2s linear 0s;}
.ck-slide .ck-prev { left: 5px; background: url(templets/default/images/arrow-left.png) #000 50% no-repeat;}
.ck-slide .ck-next { right: 5px; background: url(templets/default/images/arrow-right.png) #000 50% no-repeat;}
.ck-slidebox { position: absolute; left: 50%; bottom: 0px; z-index: 30; hright:30px;width:100%}
.ck-slidebox ul { height: 30px; padding: 0 4px; background: rgba(0,0,0,0.5); text-align:center}
.ck-slidebox ul li { float: left; height: 30px; margin: 0px 4px;line-height:30px;color:#fff;display:none}
.ck-slidebox ul li em { display: block; width: 100%; height: 30px; cursor: pointer; font-size:14px}
.ck-slidebox ul li.current em {color:#fff }
.ck-slidebox ul li em:hover { }
.ck-slide { width: 600px; height: 400px; margin: 0 auto;}
.ck-slide ul.ck-slide-wrapper { height: 400px;}
.ck-slide-wrapper li {display:none}
.ck-slidebox ul li{display:none}
.current{display:block!important}
</style>
<div class="ck-slide">
<ul class="ck-slide-wrapper">
<li>
<a target="_blank" href="http://www.jinchuwenhua.com/a/xinwen/2015/1014/307.html" target="_blank"><img id="slide-img-1" src="http://www.jinchuwenhua.com/uploads/allimg/151014/1-151014114S60-L.jpg" class="slide" alt="国考明起报名招2.7万人 首次仅面向*外招录" style='width:600px'/></a>
</li>
<li>
<a target="_blank" href="http://www.jinchuwenhua.com//a/xinwen/2015/1014/289.html" target="_blank"><img id="slide-img-2" src="http://www.jinchuwenhua.com/uploads/151014/1-151014092105J3.jpg" class="slide" alt="中关村“变形记”：从电子卖场到7.2公里的创业大街" style='width:600px'/></a>
</li>
<li>
<a target="_blank" href="http://www.jinchuwenhua.com/a/xinwen/2015/1014/290.html" target="_blank"><img id="slide-img-3" src="http://www.jinchuwenhua.com/uploads/allimg/151014/1-151014092F30-L.jpg" class="slide" alt="金星大聊两性话题 辣评娱乐圈男星：没我想睡的" style='width:600px'/></a>
</li>
</ul>
<a href="javascript:" class="ctrl-slide ck-prev">上一张</a> <a href="javascript:" class="ctrl-slide ck-next">下一张</a>
<div class="ck-slidebox">
<div class="slideWrap">
<ul class="dot-wrap">
<li><em>国考明起报名招2.7万人 首次仅面向*外招录</em></li>
<li><em>中关村“变形记”：从电子卖场到7.2公里的创业大街</em></li>
<li><em>金星大聊两性话题 辣评娱乐圈男星：没我想睡的</em></li>
</ul>
</div>
</div>
</div>
<!--图片轮播结束-->
<!-- 代码 结束 -->
<script>
$('.ck-slide').ckSlide({
autoPlay: true
});
</script>
</body>
</html>
热心网友
时间：2022-04-29 10:11
#tab { overflow:hidden; width:400px; height:250px; position:relative; float:left;}
#tab>img:not(:first-child){ display:none; }
</style>
<script>
window.onload = function() {
var images = document.getElementsByTagName("img");
var pos = 0;
var len = images.length;
setInterval(function () {
images[pos].style.display = 'none';
pos = ++pos == len ? 0 : pos;
images[pos].style.display = "inline";
}, 1000);
};
<div id="tab">
<img src="img/giftCard.png" width="400" height="250"/>
<img src="img/yearCard.png" width="400" height="250"/>
<img src="img/monthCard.png" width="400" height="250"/>
</div>
