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This article mainly introduces the JS implementation of waterfall flow layout effect display in detail. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.
html part
<!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> <p id="main"> <p class="box"> <p class="pic"> <img src="wallpoll/0.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/0.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/1.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/2.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/3.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/4.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/5.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/6.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/7.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/8.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/9.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/10.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/11.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/12.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/13.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/14.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/15.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/16.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/17.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/18.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/19.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/20.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/21.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/22.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/23.jpg" alt=""> </p> </p> <p class="box"> <p class="pic"> <img src="wallpoll/24.jpg" alt=""> </p> </p> </p> </body> </html>
css part
*{ 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 part
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("p"); box.className="box"; oparent.appendChild(box); var pic=document.createElement("p"); 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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