这篇文章给大家介绍的内容是关于瀑布流布局实现的代码，有一定的参考价值，有需要的朋友可以参考一下，希望对你有所帮助。
index.html
<!DOCTYPE html><html><head><meta charset="UTF-8"><title>waterfall layout</title><link type="text/css" href="./imgs/wf.css" rel="stylesheet"/> <script type="text/javascript" src="./imgs/wf.js"></script></head><body><div id="main"> <div class="box"> <div class="pic"> <img src="imgs/0.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/1.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/2.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/3.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/4.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/5.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/6.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/7.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/8.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/9.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/10.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/11.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/12.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/13.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/14.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/15.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/16.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/17.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/18.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/19.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/20.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/21.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/22.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/23.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/24.jpg"/> </div> </div> <div class="box"> <div class="pic"> <img src="imgs/25.jpg"/> </div> </div></div></body></html>
wf.css
@CHARSET "UTF-8";*{margin:0;padding:0}#main{ position: relative; margin: 10px auto 0 auto;}.box{ float:left; padding: 0 0 15px 15px; }.pic{ border: 1px solid #ccc; padding: 10px;}.box img{ width: 200px; height: auto;}wf.js
window.onload = function(){ waterfall(); //要加载的数据，暂时写一个固定数据 var dataInt = {"data":[{"src":'3.jpg'},{"src":'13.jpg'},{"src":'23.jpg'},{"src":'1.jpg'}]}; //一个判断拖动滚动条后是否加载新内容的方法 window.onscroll = function(){ if(checkScrollSlide()){ //将数据块渲染到当前页的尾部 for(var i = 0; i < dataInt.data.length;i++){ var parent = document.getElementById('main'); var newBox = document.createElement('p'); newBox.className = 'box'; parent.appendChild(newBox); var newPic = document.createElement('p'); newPic.className = 'pic'; newBox.appendChild(newPic); var newImg = document.createElement('img'); newImg.src = "./imgs/" + dataInt.data[i].src; newPic.appendChild(newImg); waterfall(); } } }}function waterfall(){ var parent = document.getElementById("main"); //写一个方法根据类名box，找到所有节点 var boxArr = getByClass(parent,'box'); //console.log(boxArr.length);//26，检验是否获取到 var bodyWidth = document.body.clientWidth; //document.body.clientWidth 窗口实时显示时的body的宽度 var colWidth = boxArr[0].offsetWidth;//box p的宽度 var cols = Math.floor(bodyWidth / colWidth); //给main p一个宽度，从而让显示内容不会随着浮动，改变布局 var mainWidth = colWidth * cols; parent.style.cssText = 'width:' + mainWidth + 'px;'; var colsHeight = [];//放列高度的数组 for(var i = 0; i < boxArr.length;i++){ var iBox = boxArr[i]; if(i < cols){ colsHeight.push(iBox.offsetHeight); }else{ var rArr = searchMin(colsHeight); var index = rArr[0]; var minH = rArr[1]; var left = parseInt(index * colWidth); var top = minH; iBox.style.position = "absolute"; iBox.style.left = left + 'px'; iBox.style.top = top + 'px'; colsHeight[index] += iBox.offsetHeight; } }}function getByClass(parent,clsName){ //用通配符获得prent下的所有标签节点 var allTags = document.getElementsByTagName("*"); var arr = new Array(); for(var i = 0; i < allTags.length;i++){ if(allTags[i].className == clsName){ arr.push(allTags[i]); } } return arr;}function searchMin(arr){ var min = arr[0]; var index = 0; for(var j = 0; j < arr.length; j++){ if(arr[j] < min){ min = arr[j]; index = j; } } return [index,min]; }function checkScrollSlide(){ var parent = document.getElementById('main'); var boxArr = getByClass(parent,'box'); var lastBox = boxArr[boxArr.length-1]; var lbHeight = lastBox.offsetTop+Math.floor(lastBox.offsetHeight/2); console.log(lbHeight); var slideH = document.body.scrollTop || document.documentElement.scrollTop; console.log(slideH); var winH = document.body.clientHeight || document.documentElement.clientHeight; console.log(winH); var swHeight = slideH + winH; return (lbHeight < swHeight) ? true : false;}相关文章推荐：
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