标签：style http color os io for cti ar
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>瀑布流</title>
<style>
*{
margin: 0px;
padding:0px;
}
.box{
position: relative;
top:0px;
}
ul li{
list-style-type: none;
position: absolute;
padding:10px;
width:300px;
border:1px solid #ccc;
-webkit-transition:all .7s ease-out .1s;
-moz-transition:all .7s ease-out .1s;
-o-transition:all .7s ease-out .1s;
transition:all .7s ease-out .1s;
opacity:0;
}
h1{
text-align: center;
}
h1 span{color: #ff0ff0;}
</style>
<script>
document.getElementsByClassName=function(oparent,oclass){
try {
return oparent.querySelectorAll("." + oclass);
} catch (ex){
var reset = [];
var reg = new RegExp("\\b" + oclass + "\\b");
var oCur = oparent.all;
for (var i = 0; i < oCur.length; i++) {
if (reg.test(oCur[i].className)) {
reset.push(oCur[i]);
}
};
return reset;
}
}
window.onresize=window.onload=function(){
var obox=document.getElementsByClassName(document,"box")[0];
margin=10;
oli=obox.getElementsByTagName("li");
liWidth=oli[0].offsetWidth+margin;
function show(){
var bodyWidth=document.body.offsetWidth;
columnHeight=[];
/*olight=oli.length;*/
n=parseInt(bodyWidth/liWidth);
columnNum=n==0?1:n;
// console.log(columnNum)
bodyLeft=bodyWidth>=liWidth?bodyWidth-columnNum*liWidth:0;
obox.style.left=parseInt(bodyLeft/2)-(margin/2)+"px";
j=0;
for (var i = 0; i < oli.length; i++) {
if(i<columnNum){
columnHeight[i]=oli[i].offsetHeight+margin;
oli[i].style.left=i*liWidth+"px";
oli[i].style.top=0;
}else{
if(j>=columnHeight.length){
j=0;
}
var imgheight=oli[i].offsetHeight+margin;
oli[i].style.top=columnHeight[j]+"px";
oli[i].style.left=j*liWidth+"px";
columnHeight[j]+=imgheight;
j++;
console.log(j+"J"+oli[i].offsetTop+"和"+ j*liWidth+"I"+i)
}
}
}
function runing(){
wscrillTop=document.documentElement.scrollTop||document.body.scrollTop;
winH=document.documentElement.clientHeight;
for (var i = 0; i < oli.length; i++) {
var oliheight=oli[i].offsetHeight/3;
scrolltop=(oli[i].getBoundingClientRect().top)+wscrillTop;
if(scrolltop>=wscrillTop&&wscrillTop+winH>scrolltop+oliheight){
oli[i].style.opacity=1;
}
};
}
show();
runing();
window.onscroll=function(){
runing();
}
}
</script>
</head>
<body>
<h1>众森美女动漫大集合- <span>延迟加载+瀑布流</span>(缩小扩大窗口有惊喜哦-IE8以下。360浏览器暂时无效，请用chrome看效果。)</h1>
<div class="box">
<ul>
<li><img src="1.jpg" alt="111111"></li>
<li><img src="2.jpg" alt="111111"></li>
<li><img src="3.jpg" alt="111111"></li>
<li><img src="4.jpg" alt="111111"></li>
<li><img src="5.jpg" alt="111111"></li>
<li><img src="6.jpg" alt="111111"></li>
<li><img src="7.jpg" alt="111111"></li>
<li><img src="8.jpg" alt="111111"></li>
<li><img src="9.jpg" alt="111111"></li>
<li><img src="10.jpg" alt="111111"></li>
<li><img src="11.jpg" alt="111111"></li>
<li><img src="12.jpg" alt="111111"></li>
<li><img src="13.jpg" alt="111111"></li>
<li><img src="14.jpg" alt="111111"></li>
<li><img src="15.jpg" alt="111111"></li>
<li><img src="1.jpg" alt="111111"></li>
<li><img src="2.jpg" alt="111111"></li>
<li><img src="3.jpg" alt="111111"></li>
<li><img src="4.jpg" alt="111111"></li>
<li><img src="5.jpg" alt="111111"></li>
<li><img src="6.jpg" alt="111111"></li>
<li><img src="7.jpg" alt="111111"></li>
<li><img src="8.jpg" alt="111111"></li>
<li><img src="9.jpg" alt="111111"></li>
<li><img src="10.jpg" alt="111111"></li>
<li><img src="11.jpg" alt="111111"></li>
<li><img src="12.jpg" alt="111111"></li>
<li><img src="13.jpg" alt="111111"></li>
<li><img src="14.jpg" alt="111111"></li>
<li><img src="15.jpg" alt="111111"></li>
</ul>
</div>
</body>
</html>
宽度固定 这样才能做瀑布流 再用绝对定位进行，第一排的top都等于0 首先用body 的宽度除以1个li的宽度 等到n列 在到第二列开始循环每行的top值 left值和第一排是一样 列数数更具body 的宽度变化而变化 不等于 最低等于1列 用数字保存对应列的li高度。延迟加载在上一篇写过，原理可以看看那边的 。不懂的可以加我QQ相互探讨：295989501
标签：style http color os io for cti ar
原文地址：http://blog.csdn.net/u011551941/article/details/38335497
