直播APP源代码，实现水平轮播图相关的代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
</head>
<style>
*{
margin: 0;
padding: 0;
}
div.content{
position: relative;
overflow: hidden;
width: 700px;
height: 400px;
border:1px solid beige;
background-color: aqua;
}
ul{
position: absolute;
list-style: none;
}
ul.top>li{
float: left;
width: 700px;
height: 400px;
}
img{
width: 100%;
height: 100%;
}
button.perv{
position: absolute;
top: 191px;
left:0;
}
button.next{
position: absolute;
top: 191px;
right:0;
}
ul.bottom{
position: absolute;
top: 336px;
left: 20px;
}
ul.bottom>li{
float: left;
width: 25px;
height: 25px;
margin-left:15px;
border: 1px solid #00FFFF;
text-align: center;
line-height: 25px;
cursor: pointer;
}
.red{
background-color: red;
}
</style>
<script>
function $(n){
return document.querySelector(n);
}
window.onload=function(){
var liIndex=1;
var liWidth,liLenth,lilen,timer,timer2;
go();
function go(){
//复制前后li
var copy_li1=$(".top>li:first-of-type").cloneNode(true);
$(".top").appendChild(copy_li1);
var copy_lilast=$(".top>li:nth-of-type(5)").cloneNode(true);
$(".top").insertBefore(copy_lilast,$(".top>li:first-of-type"));
//给ul宽度
liWidth=$(".top>li").clientWidth;
lilen=document.querySelectorAll(".top>li").length;
$(".top").style.width=lilen*liWidth "px";
$(".top").style.left=-liWidth "px";
//左右点击
$(".perv").onclick=function(){
prev(liIndex);
}
$(".next").onclick=function(){
next(liIndex);
}
//点击子弹
var bullets=document.querySelectorAll(".bottom>li");
for(var i=0;i<bullets.length;i ){
bullets[i].index=i;
bullets[i].onclick=function(){
liIndex=this.index 1;
into(liIndex);
}
}
$(".content").onmouseenter=function(){
stop();
}
$(".content").onmouseleave=function(){
auto();
}
auto();
}
function prev(){
liIndex--;
into(liIndex);
}
function next(){
liIndex ;
into(liIndex);
}
function auto(){
clearInterval(timer2);
timer2=setInterval(function(){
next();
},2000);
}
function stop(){
clearInterval(timer2);
}
function into(index){
if(index==lilen){
liIndex=index=2;
$(".top").style.left=-liWidth "px";
}
if(index==-1){
liIndex=index=lilen-3;
$(".top").style.left=-liWidth*(lilen-2) "px";
}
//
// 焦点映射
var foucindex;
var buttle=document.querySelectorAll(".bottom>li");
if(index==0){
foucindex=lilen-3;
}else if(index==lilen-1){
foucindex=0;
}else{
foucindex=index-1;
}
$(".red").className="";
buttle[foucindex].className="red";
//作动画
var left=-index*liWidth;
clearInterval(timer);
timer=setInterval(function(){
var new_left=parseInt(getComputedStyle($(".top")).left);
var speed=(left-new_left)/30;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
$(".top").style.left=new_left speed "px";
},10);
console.log(liIndex);
}
}
</script>
<body>
<div class="content">
<ul class="top">
<li><img src="img/1.jpg" alt=""></li>
<li><img src="img/2.jpg" alt=""></li>
<li><img src="img/3.jpg" alt=""></li>
<li><img src="img/4.jpg" alt=""></li>
<li><img src="img/5.jpg" alt=""></li>
</ul>
<button class="perv" type="button">perv</button>
<button class="next" type="button">next</button>
<ul class="bottom">
<li class="red">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</div>
</body>
</html>以上就是直播APP源代码，实现水平轮播图相关的代码， 更多内容欢迎关注之后的文章
