简单的渐变轮播插件

时间：2021-05-18

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>

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