js实现无限瀑布流10bet

来源:http://www.chinese-glasses.com 作者:Web前端 人气:132 发布时间:2020-04-29
摘要:现在,我来介绍一下如何通过js方式来实现瀑布流: 是一种常见的网页布局方式,在许多网站中我们都能看到“瀑布流”的效果,其特征是有网页视窗有多个高度不同宽度相同的“块”

现在,我来介绍一下如何通过js方式来实现瀑布流:

是一种常见的网页布局方式,在许多网站中我们都能看到“瀑布流”的效果,其特征是有网页视窗有多个高度不同宽度相同的“块”组成。因其样式酷似飞流直下的瀑布,故将这种布局方式称为瀑布流。

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生活中瀑布流实例:

!DOCTYPE htmlhtml lang="en"head meta charset="UTF-8" titleTitle/title style .cont{ margin: 0 auto; position: relative; } .box{ float: left; padding: 6px; } .imgbox{ border: 1px black solid; border-radius: 6px; padding: 6px; } .imgbox img{ width: 200px; display: block; } /style script onload = function () { new Waterfall(); }; function Waterfall() { this.ocont = document.querySelector(".cont"); this.abox = document.querySelectorAll(".box"); this.heightArr = []; this.init(); //w1准备数据 this.data = this.load(); this.addScroll(); } Waterfall.prototype.load = function(){ return [{img:"images/1.jpg"},{img:"images/2.jpg"},{img:"images/3.jpg"},{img:"images/4.jpg"},{img:"images/5.jpg"},{img:"images/6.jpg"},{img:"images/7.jpg"},{img:"images/8.jpg"},{img:"images/9.jpg"},{img:"images/10.jpg"},] }; Waterfall.prototype.addScroll = function(){ var that = this; onscroll = function () { if (that.isBottom()){ that.data.forEach(val={ var img = document.createElement("img"); img.src = val.img; var imgbox = document.createElement("div"); imgbox.className = "imgbox"; var box = document.createElement("div"); box.className = "box"; imgbox.appendChild(img); box.appendChild(imgbox); that.ocont.appendChild(box); }); that.abox = document.querySelectorAll(".box"); that.heightArr = []; that.firstLine(); that.otherLine(); } } }; Waterfall.prototype.isBottom = function(){ var clientH = document.documentElement.clientHeight; var scrollT = document.documentElement.scrollTop; var scrollH = document.documentElement.scrollHeight; if (clientH + scrollT = scrollH-200){ return true; }else{ return false; } }; Waterfall.prototype.init = function () { this.num = Math.floor(document.documentElement.clientWidth/this.abox[0].offsetWidth); this.ocont.style.width = this.num*this.abox[0].offsetWidth+"px"; //区分第一行 this.firstLine(); //区分最后一行 this.otherLine(); }; Waterfall.prototype.firstLine = function () { for (var i=0;ithis.num;i++){ this.heightArr.push(this.abox[i].offsetHeight); } }; Waterfall.prototype.otherLine = function () { for (var i=this.num;ithis.abox.length;i++){ var min = getMin(this.heightArr); var minIndex = this.heightArr.indexOf(min); //设置定位,left,top this.abox[i].style.position = "absolute"; this.abox[i].style.top = min + "px"; this.abox[i].style.left = minIndex*this.abox[0].offsetWidth+"px"; this.heightArr[minIndex] += this.abox[i].offsetHeight; } }; function getMin(arr) { var myarr = []; arr.forEach(val ={ myarr.push(val); }); return myarr.sort((a,b)=a-b)[0]; } /script/headbodydiv div div img src="images/4.jpg"  /div/div div div img src="images/3.jpg"  /div /div div div img src="images/2.jpg"  /div /div div div img src="images/1.jpg"  /div /div div div img src="images/5.jpg"  /div /div div div img src="images/6.jpg"  /div /div div div img src="images/7.jpg"  /div /div div div img src="images/8.jpg"  /div /div div div img src="images/9.jpg"  /div /div div div img src="images/10.jpg"  /div /div div div img src="images/4.jpg"  /div /div div div img src="images/3.jpg"  /div /div div div img src="images/2.jpg"  /div /div div div img src="images/1.jpg"  /div /div div div img src="images/5.jpg"  /div /div div div img src="images/6.jpg"  /div /div div div img src="images/7.jpg"  /div /div div div img src="images/8.jpg"  /div /div div div img src="images/9.jpg"  /div /div div div img src="images/10.jpg"  /div /div div div img src="images/3.jpg"  /div /div div div img src="images/2.jpg"  /div /div div div img src="images/1.jpg"  /div /div div div img src="images/5.jpg"  /div /div div div img src="images/6.jpg"  /div /div div div img src="images/7.jpg"  /div /div div div img src="images/8.jpg"  /div /div div div img src="images/9.jpg"  /div /div div div img src="images/10.jpg"  /div /div div div img src="images/3.jpg"  /div /div div div img src="images/2.jpg"  /div /div div div img src="images/1.jpg"  /div /div div div img src="images/5.jpg"  /div /div div div img src="images/6.jpg"  /div /div div div img src="images/7.jpg"  /div /div div div img src="images/8.jpg"  /div /div div div img src="images/9.jpg"  /div /div div div img src="images/10.jpg"  /div /div div div img src="images/3.jpg"  /div /div div div img src="images/2.jpg"  /div /div div div img src="images/1.jpg"  /div /div div div img src="images/5.jpg"  /div /div div div img src="images/6.jpg"  /div /div div div img src="images/7.jpg"  /div /div div div img src="images/8.jpg"  /div /div div div img src="images/9.jpg"  /div /div div div img src="images/10.jpg"  /div /div/div/body/html

在css中我们学习过使用Multi-columns来实现瀑布流的效果,通过 Multi-columns 相关的属性 column-count、column-gap 配合 break-inside 来实现瀑布流布局。

时间: 2019-09-13阅读: 145标签: 瀑布流瀑布流

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