這篇文章給大家分享的是有關(guān)原生js無縫輪播插件怎么用的內(nèi)容。小編覺得挺實(shí)用的,因此分享給大家做個(gè)參考,一起跟隨小編過來看看吧。
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效果
html結(jié)構(gòu)
<div class="sliders-wraper" id="rotation-1"> <ul class="sliders clear"> <li class="slider" >5</li> <li class="slider" >1</li> <li class="slider" >2</li> <li class="slider" >3</li> <li class="slider" >4</li> <li class="slider" >5</li> <li class="slider" >1</li> </ul> <div class="pagenation"> <div class="page page-active"><a></a></div> <div class="page"><a></a></div> <div class="page"><a></a></div> <div class="page"><a></a></div> <div class="page"><a></a></div> </div> <span class='prev rotation-btn'><</span> <span class='next rotation-btn'>></span> </div>
css樣式
*{margin: 0;padding: 0;box-sizing: border-box;} .clear{zoom: 0;} .clear:after{content: '';display: block;overflow: hidden;clear: both;widows: 0;height: 0;} .sliders-wraper{width: 100%;height: 400px;line-height: 400px; overflow: hidden;position: relative;text-align: center;} .sliders{position: absolute;list-style: none;font-size: 50px;} .slider{float: left;} .rotation-btn{position: absolute;top: 50%;width: 50px;height: 50px; line-height: 50px;margin-top: -25px;font-size: 30px;color: #ccc;cursor: pointer;} .prev{left:0;} .next{right:0;} .pagenation{position: absolute;bottom: 10px;width: 100%;height: 25px;line-height: 25px;} .pagenation .page{width: 40px;height: 25px;display: inline-block;cursor: pointer;} .pagenation .page a{display: block;width: 30px;height: 5px;border: 1px solid #ccc; border-radius: 5px;background: transparent;margin: 10px auto;} .pagenation .page-active a{border-color: #0076ff;background-color: #0076ff;}
js
;(function(doc, win){ function Rotation(obj){ this.wraper = doc.getElementById(obj.el) //窗口 this.sliders = this.wraper.getElementsByClassName('sliders')[0] //圖片父盒子 this.slideList = this.sliders.getElementsByClassName('slider') //所有圖片 this.length = this.slideList.length this.index = 1 //當(dāng)前顯示的圖片的索引 this.timer = null //單張圖片運(yùn)動(dòng)定時(shí)器 this.animation = null //自動(dòng)輪播定時(shí)器 // 在obj中可以自定義的參數(shù) this.mode = 'easy-in-out'//動(dòng)畫曲線,可選 'linear' this.step = 5 //勻速運(yùn)動(dòng)滾動(dòng)步長 this.delay = 2500 //輪播間隔 this.duration = 40 //單張圖片動(dòng)畫時(shí)長 this.auto = true //是否開啟自動(dòng)輪播 this.btn = false //是否有左右按鈕 this.focusBtn = true //是否支持焦點(diǎn)事件 for(var k in obj) this[k] = obj[k] if(this.btn){ this.prev = this.wraper.getElementsByClassName('prev')[0] this.next = this.wraper.getElementsByClassName('next')[0] } if(this.focusBtn){ this.pagenation = this.wraper.getElementsByClassName('pagenation')[0] this.pageList = this.pagenation.getElementsByClassName('page') this.activePage = 0 //當(dāng)前的焦點(diǎn)的索引 } this.init() } var D = Rotation.prototype /* * func init * 初始化函數(shù) * @para 0 */ D.init = function(){ this.width = this.wraper.clientWidth if(this.mode == 'linear') this.duration = 1 for(var i=0; i<this.length; i++) this.slideList[i].style.width = this.width + 'px' this.sliders.style.width = this.width * this.length + 'px' this.sliders.style.marginLeft = -this.width + "px"; this.handler() this.auto && this.autoPlay() } D.getStyle = function(obj, attr){ return obj.currentStyle?obj.currentStyle[attr]:getComputedStyle(obj, false)[attr]; } /* * @method bind * 事件綁定函數(shù) * bind events */ D.handler = function(){ var _th = this,i=0 if(this.btn){ this.prev.onclick = function(){ _th.turnLeft(); } this.next.onclick = function(){ _th.turnRight(); } } if(this.focusBtn){ for(; i<this.pageList.length; i++){ this.pageList[i].key = i this.pageList[i].function(){ _th.index = this.key + 1 _th.toggleClass() } } } this.wraper.onmouseover = function(){ clearInterval(_th.animation); } this.wraper.onmouseout = function(){ _th.auto && _th.autoPlay() } } /* * func turnRight * 向右輪播函數(shù) * @para 0 */ D.turnRight = function(){ this.index++; if(this.index == this.length-1){ this.index=1; this.sliders.style.marginLeft = 0; } this.toggleClass(); } /* * func turnLeft * 向左輪播函數(shù) * @para 0 */ D.turnLeft = function(){ this.index--; if(this.index == 0){ this.index = this.length-2; this.sliders.style.marginLeft = -this.width * (this.length-1) + "px"; } this.toggleClass(); } /* * func toggleClass * 改變數(shù)字焦點(diǎn)樣式,輪播動(dòng)畫核心函數(shù)調(diào)用 * @para 0 */ D.toggleClass = function(){ if(this.focusBtn){ this.pageList[this.activePage].className = "page"; this.pageList[this.index-1].className = "page page-active"; this.activePage = this.index-1; } this.slide(-this.index * this.width); } /* * func slide * 圖片滾動(dòng)函數(shù),核心函數(shù) * @param ins 滾動(dòng)終點(diǎn) */ D.slide = function(ins){ var _th = this // 防止動(dòng)畫過度過程中計(jì)算錯(cuò)誤 if(_th.timer) clearInterval(_th.timer); _th.timer = setInterval(move,_th.duration); function move(){ var currentPosition = parseFloat(_th.sliders.style.marginLeft); // 根據(jù)起始點(diǎn)和目標(biāo)位置的比較確定向哪個(gè)方向移動(dòng) var n = ins-currentPosition<0?-1:1; if(Math.abs(ins-currentPosition) < _th.step){ _th.sliders.style.marginLeft = ins + "px"; clearInterval(_th.timer); }else{ // 變速運(yùn)動(dòng)關(guān)鍵,注釋變?yōu)閯蛩龠\(yùn)動(dòng) if(_th.mode == 'easy-in-out') _th.step = Math.abs(ins-currentPosition)/5 _th.sliders.style.marginLeft = currentPosition + n*_th.step + "px"; } } } /* * func autoPlay * 自動(dòng)輪播函數(shù) * @para 0 */ D.autoPlay = function(){ var _th = this clearInterval(_th.animation) _th.animation = setInterval(function(){ _th.turnRight(); },_th.delay) } /* * func debounce * 節(jié)流函數(shù) * @para fn<要執(zhí)行的函數(shù)> delay<節(jié)流時(shí)間> * @value func */ D.debounce = function(fn,delay){ var timer = null return function(){ if(timer){ clearTimeout(timer) } timer = setTimeout(fn,delay) } } /* * func refresh * 自動(dòng)刷新函數(shù),這里采用節(jié)流是防止刷新操作太過于頻繁導(dǎo)致性能下降 * @para 0 */ D.refresh = function(){ var _th = this this.debounce(function(){ _th.init() _th.toggleClass() },100)() } /* * func rotation * 實(shí)例化函數(shù) * @para obj 實(shí)例化的具體參數(shù) * @value 返回具體實(shí)例 */ win.rotation = function(obj){ return new Rotation(obj) } })(document, window)
調(diào)用方式
var r2 = rotation({ el: 'rotation-1', mode: 'easy-in-out', //運(yùn)動(dòng)曲線 auto: true,//開啟自動(dòng)輪播 btn: true, //左右按鈕 focusBtn: false//焦點(diǎn) }) window.onresize = function(){ r2 && r2.refresh() }
感謝各位的閱讀!關(guān)于“原生js無縫輪播插件怎么用”這篇文章就分享到這里了,希望以上內(nèi)容可以對(duì)大家有一定的幫助,讓大家可以學(xué)到更多知識(shí),如果覺得文章不錯(cuò),可以把它分享出去讓更多的人看到吧!
新聞名稱:原生js無縫輪播插件怎么用
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