简单的渐变轮播插件
编程学习 2021-07-04 19:20www.dzhlxh.cn编程入门
本文主要介绍了简单的渐变轮播插件，具有一定的参考价值，狼蚁网站SEO优化跟着长沙网络推广一起来看下吧
话不多说，请看代码：
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Example</title>
<style>
.CreabineCarousel{
width: 100%;
height: 700px;
background-size: cover;
position: relative;
}
.CreabineCarousel .CreabineCarousel-dotContainer{
position:absolute;
bottom: 5%;
margin:0 auto;
z-index: 100;
list-style-type: none;
width: 100%;
text-align: center;
left: 0;
padding: 0;
}
.CreabineCarousel .CreabineCarousel-dotContainer .dot{
width: 30px;
height: 4px;
border-radius:3px;
background-color:#fff;
display: inline-block;
margin:0 5px;
opacity: 0.7;
}
.CreabineCarousel .CreabineCarousel-dotContainer .dot:hover{
opacity: 1;
}
.CreabineCarousel .CreabineCarousel-item{
position:absolute;
width: 100%;
height: 100%;
transition:all 0.8s;
}
.CreabineCarousel .CreabineCarousel-item h1{
max-width: 600px;
text-align: center;
font-size: 5rem;
line-height: 1.3;
color: #fff;
padding: 300px 50px 0 50px;
margin:0 auto;
}
.CreabineCarousel .CreabineCarousel-item p{
max-width: 600px;
text-align: center;
font-size: 1.4rem;
line-height: 1.4;
color: #fff;
padding-top: 10px 50px 0 50px;
margin:0 auto;
}
</style>
</head>
<body>
<div id="carouselRoot"></div>
<script>
function CreabineCarousel(options){
var imgPathList = options.images;
var textList = options.contant;
if (!options.root) {
throw "require root to this CreabineCarousel";
}
if (!imgPathList) {
throw "must provide parameter images";
}
if (imgPathList.length != textList.length) {
throw "images are not equal to contants";
}
var changeCount = 0;
var timer;
var _autoScroll = options.autoScroll || false;
var _scrollDuration = options.scrollDuration || 4000;
var _height = options.height || 700;
function initElements() {
var _root = document.getElementById(options.root);
if (!_root) {
throw "no exist called this name element,please create element called this name";
}
_root.className = "CreabineCarousel";
_root.style.height = _height + "px";
var _dotContainer = document.createElement("ul");
_dotContainer.className = 'CreabineCarousel-dotContainer';
_root.appendChild(_dotContainer);
for (var i = 0; i < imgPathList.length; i++) {
var _dot = document.createElement("li");
_dot.className = "dot";
_dot.id = "item" + (i+1) + "dot";
_dotContainer.appendChild(_dot);
var _item = document.createElement("div");
_item.className = "CreabineCarousel-item"
_item.id = "item" + (i+1);
_item.style.backgroundImage = "url(" + imgPathList[i] + ")";
_item.style.backgroundSize = "cover";
_item.style.backgroundRepeat = "no-repeat";
if(i == 0){
_item.style.opacity = '0';
_item.style.zIndex = '1';
}
_root.appendChild(_item);
var _h = document.createElement("h1");
_h.innerText = textList[i].title;
_item.appendChild(_h);
var _p = document.createElement("p");
_p.innerText = textList[i].text;
_item.appendChild(_p);
}
_dotContainer.addEventListener("mouseover",function(e){
if( e.target && e.target.className == "dot" ){
clearInterval(timer);
var id = e.target.id.substring(0,5);
CarouselHover(id);
}
});
_dotContainer.addEventListener("mouseout",function(e){
if( e.target && e.target.className == "dot" ){
var id = e.target.id;
CarouselOut(id);
}
});
if(_autoScroll){
timer = setInterval(function(){Carousel()},_scrollDuration);
}
}
function Carousel(){
var all = document.getElementsByClassName('CreabineCarousel-item');
for (var i = all.length - 1; i >= 0; i--) {
all[i].style.opacity = '0';
all[i].style.zIndex = '1';
}
var i=((changeCount++%5)+1);
var id = "item" + i;
document.getElementById(id).style.opacity = '1';
document.getElementById(id).style.zIndex = '10';
}
function CarouselHover(id){
clearInterval(timer);
var all = document.getElementsByClassName('CreabineCarousel-item');
for (var i = all.length - 1; i >= 0; i--) {
all[i].style.opacity = '0';
all[i].style.zIndex = '1';
}
document.getElementById(id).style.opacity = '1';
document.getElementById(id).style.zIndex = '10';
}
function CarouselOut(id){
var num = id.substring(4,5);
num = parseInt(num)-1;
changeCount = num;
timer = window.setInterval(function(){Carousel()},_scrollDuration);
}
initElements();
new CreabineCarousel({
root:'carouselRoot',
autoScroll:true,
scrollDuration:3000,
height:700,
images:['https://cdn.worktile.com/images/index/index_all_bg_1.jpg?v=4.5.18','https://cdn.worktile.com/images/index/index_all_bg_2.jpg?v=4.5.18','https://cdn.worktile.com/images/index/index_all_bg_3.jpg?v=4.5.18','https://cdn.worktile.com/images/index/index_all_bg_4.jpg?v=4.5.18','https://cdn.worktile.com/images/index/index_all_bg_5.jpg?v=4.5.18'],
contant:[
{
title:"title-1",
text:"text-111"
},
{
title:"title-2",
text:"text-222"
},
{
title:"title-3",
text:"text-333"
},
{
title:"title-4",
text:"text-444"
},
{
title:"title-5",
text:"text-555"
},
]
});
</script>
</body>
</html>
以上就是本文的全部内容，希望本文的内容对大家的学习或者工作能带来一定的帮助，同时也希望多多支持狼蚁SEO！