JS实现瀑布流布局

来源：懂视网责编：小OO 时间：2020-11-27 22:27:31

JS实现瀑布流布局

本文实例为大家分享了JS实现瀑布流布局展示的具体代码，供大家参考，具体内容如下：html部分。<；<。DOCTYPE html>；<；html lang="en">；<；head>；<；meta charset="UTF-8">；<；title>；瀑布流布局<；/title>；<；script src="wallpoll.js">；<；/script>；<；link rel="stylesheet" href="wallpoll.css" rel="external nofollow" >；<；/head>；<；body>；<；div id="main">；<；<。

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导读本文实例为大家分享了JS实现瀑布流布局展示的具体代码，供大家参考，具体内容如下：html部分。<；<。DOCTYPE html>；<；html lang="en">；<；head>；<；meta charset="UTF-8">；<；title>；瀑布流布局<；/title>；<；script src="wallpoll.js">；<；/script>；<；link rel="stylesheet" href="wallpoll.css" rel="external nofollow" >；<；/head>；<；body>；<；div id="main">；<；<。

本文实例为大家分享了JS实现瀑布流布局展示的具体代码，供大家参考，具体内容如下

html部分

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>瀑布流布局</title>
 <script src="wallpoll.js"></script>
 <link rel="stylesheet" href="wallpoll.css" rel="external nofollow" >
</head>
<body>
 <div id="main">
 <div class="box">
 <div class="pic">
 <img src="wallpoll/0.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/0.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/1.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/2.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/3.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/4.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/5.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/6.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/7.jpg" alt="">
 </div>
 </div>

 <div class="box">
 <div class="pic">
 <img src="wallpoll/8.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/9.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/10.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/11.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/12.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/13.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/14.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/15.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/16.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/17.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/18.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/19.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/20.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/21.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/22.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/23.jpg" alt="">
 </div>
 </div>
 <div class="box">
 <div class="pic">
 <img src="wallpoll/24.jpg" alt="">
 </div>
 </div>
 </div>
</body>
</html>

css部分

*{
 padding:0px;
 margin:0px;
}
.main{
 position:relative;
}
.box{
 padding:15px 0 0 10px;
 float:left;
}
.pic{
 padding:10px;
 border: 1px solid #ccc;
 border-radius: 5px;
 box-shadow: 0 0 5px #ccc;
 /*float:left;*/
}
img{
 width:170px;
 height:auto;
}

JS部分

window.onload=function(){
 waterfall('main','box');
 var dataInt={"data":[{"src":"0.jpg"},{"src":"1.jpg"},{"src":"2.jpg"},{"src":"3.jpg"},{"src":"4.jpg"}]}
 window.onscroll=function(){
 if(checkScrollSlide){
 for(var i=0;i<dataInt.data.length;i++){
 var oparent=document.getElementById("main");
 var box=document.createElement("div");
 box.className="box";
 oparent.appendChild(box);
 var pic=document.createElement("div");
 pic.className="pic";
 box.appendChild(pic);
 var img=document.createElement("img");
 img.src="wallpoll/"+dataInt.data[i].src;
 pic.appendChild(img);
 }
 }
 waterfall('main','box');
 }
}
function waterfall(parent,child){
 var oparent=document.getElementById(parent);
 var boxs=oparent.getElementsByClassName(child);
 var boxw=boxs[0].offsetWidth;
 var cols=Math.floor(document.documentElement.clientWidth/boxw);
 oparent.style.cssText="width:"+cols*boxw+"px;margin:0 auto";
 var harr=new Array();
 for(var i=0;i<boxs.length;i++){
 if(i<cols){
 harr.push(boxs[i].offsetHeight);
 }else{
 var minH=Math.min.apply(null,harr);
 var index=getMinhIndex(harr,minH);
 boxs[i].style.position="absolute";
 boxs[i].style.top=minH+"px";
 boxs[i].style.left=boxs[index].offsetLeft+"px";
 harr[index]+=boxs[i].offsetHeight;
 }
 }
}
function getMinhIndex(arr,val){
 for(var i in arr){
 if(arr[i]===val){
 return i;
 }
 }
}
function checkScrollSlide(){
 var oparent=document.getElementById("main");
 var boxs=oparent.getElementsByClassName("box");
 var lastBox=boxs[boxs.length-1];
 var height=lastBox.offsetTop+Math.floor(lastBox.offsetHeight/2);
 var scrollHeigth=document.documentElement.scrollTop || document.body.scrollTop;
 // console.log(scrollHeigth);
 var seeHeigth=document.documentElement.clientHeigth || document.body.clientHeigth;
 return seeHeigth+scrollHeigth>height?true:false;
}

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JS实现瀑布流布局

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