簡單的漸變輪播插件

更新時間：2017年01月12日 15:13:19 作者：Creabine

本文主要介紹了簡單的漸變輪播插件，具有一定的參考價值，下面跟著小編一起來看下吧

話不多說，請看代碼：

<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內容，希望本文的內容對大家的學習或者工作能帶來一定的幫助，同時也希望多多支持腳本之家！

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