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HTML5实现的图片无限加载的瀑布流效果另带边框圆角阴影

发布日期:2014-03-07 00:00:00 912

又一款网页瀑布流效果,可以实现图片的无限制加载。基于时下流行的HTML5技术编写而成,演示页面中一共调用了7张图片,为了演示方便,这里让其随滚动条的滚动自动循环显示,这样大家更能清楚的看明白瀑布流的效果。除了实现瀑布流,还加入了css5的图片修饰效果,比如图片的圆角边框、图片阴影立体效果等,是学习瀑布流的好素材 。 
 

复制代码
代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>jQuery无限加载瀑布流</title> 
<style type="text/css"> 
/* 标签重定义 */ 
body{padding:0;margin:0;background:#ddd url(/jscss/demoimg/201312/bg55.jpg) repeat;} 
img{border:none;} 
a{text-decoration:none;color:#444;} 
a:hover{color:#999;} 
#title{width:600px;margin:20px auto;text-align:center;} 
/* 定义关键帧 */ 
@-webkit-keyframes shade{ 
from{opacity:1;} 
15%{opacity:0.4;} 
to{opacity:1;} 

@-moz-keyframes shade{ 
from{opacity:1;} 
15%{opacity:0.4;} 
to{opacity:1;} 

@-ms-keyframes shade{ 
from{opacity:1;} 
15%{opacity:0.4;} 
to{opacity:1;} 

@-o-keyframes shade{ 
from{opacity:1;} 
15%{opacity:0.4;} 
to{opacity:1;} 

@keyframes shade{ 
from{opacity:1;} 
15%{opacity:0.4;} 
to{opacity:1;} 

/* wrap */ 
#wrap{width:auto;height:auto;margin:0 auto;position:relative;} 
#wrap .box{width:280px;height:auto;padding:10px;border:none;float:left;} 
#wrap .box .info{width:280px;height:auto;border-radius:8px;box-shadow:0 0 11px #666;background:#fff;} 
#wrap .box .info .pic{width:260px;height:auto;margin:0 auto;padding-top:10px;} 
#wrap .box .info .pic:hover{ 
-webkit-animation:shade 3s ease-in-out 1; 
-moz-animation:shade 3s ease-in-out 1; 
-ms-animation:shade 3s ease-in-out 1; 
-o-animation:shade 3s ease-in-out 1; 
animation:shade 3s ease-in-out 1; 

#wrap .box .info .pic img{width:260px;border-radius:3px;} 
#wrap .box .info .title{width:260px;height:40px;margin:0 auto;line-height:40px;text-align:center;color:#666;font-size:18px;font-weight:bold;overflow:hidden;} 
</style> 
<script type="text/javascript" src="/ajaxjs/jquery-1.6.2.min.js"></script> 
<script type="text/javascript"> 
window.onload = function(){ 
//运行瀑布流主函数 
PBL('wrap','box'); 
//模拟数据 
var data = [{'src':'1.jpg','title':'图片标题'},{'src':'2.jpg','title':'图片标题'},{'src':'3.jpg','title':'图片标题'},{'src':'4.jpg','title':'图片标题'},{'src':'5.jpg','title':'图片标题'},{'src':'6.jpg','title':'图片标题'},{'src':'7.jpg','title':'图片标题'}]; 
//设置滚动加载 
window.onscroll = function(){ 
//校验数据请求 
if(getCheck()){ 
var wrap = document.getElementById('wrap'); 
for(i in data){ 
//创建box 
var box = document.createElement('div'); 
box.className = 'box'; 
wrap.appendChild(box); 
//创建info 
var info = document.createElement('div'); 
info.className = 'info'; 
box.appendChild(info); 
//创建pic 
var pic = document.createElement('div'); 
pic.className = 'pic'; 
info.appendChild(pic); 
//创建img 
var img = document.createElement('img'); 
img.src = '/jscss/demoimg/201312/'+data[i].src; 
img.style.height = 'auto'; 
pic.appendChild(img); 
//创建title 
var title = document.createElement('div'); 
title.className = 'title'; 
info.appendChild(title); 
//创建a标记 
var a = document.createElement('a'); 
a.innerHTML = data[i].title; 
title.appendChild(a); 

PBL('wrap','box'); 



/** 
* 瀑布流主函数 
* @param wrap [Str] 外层元素的ID 
* @param box [Str] 每一个box的类名 
*/ 
function PBL(wrap,box){ 
//1.获得外层以及每一个box 
var wrap = document.getElementById(wrap); 
var boxs = getClass(wrap,box); 
//2.获得屏幕可显示的列数 
var boxW = boxs[0].offsetWidth; 
var colsNum = Math.floor(document.documentElement.clientWidth/boxW); 
wrap.style.width = boxW*colsNum+'px';//为外层赋值宽度 
//3.循环出所有的box并按照瀑布流排列 
var everyH = [];//定义一个数组存储每一列的高度 
for (var i = 0; i < boxs.length; i++) { 
if(i<colsNum){ 
everyH[i] = boxs[i].offsetHeight; 
}else{ 
var minH = Math.min.apply(null,everyH);//获得最小的列的高度 
var minIndex = getIndex(minH,everyH); //获得最小列的索引 
getStyle(boxs[i],minH,boxs[minIndex].offsetLeft,i); 
everyH[minIndex] += boxs[i].offsetHeight;//更新最小列的高度 



/** 
* 获取类元素 
* @param warp [Obj] 外层 
* @param className [Str] 类名 
*/ 
function getClass(wrap,className){ 
var obj = wrap.getElementsByTagName('*'); 
var arr = []; 
for(var i=0;i<obj.length;i++){ 
if(obj[i].className == className){ 
arr.push(obj[i]); 


return arr; 

/** 
* 获取最小列的索引 
* @param minH [Num] 最小高度 
* @param everyH [Arr] 所有列高度的数组 
*/ 
function getIndex(minH,everyH){ 
for(index in everyH){ 
if (everyH[index] == minH ) return index; 


/** 
* 数据请求检验 
*/ 
function getCheck(){ 
var documentH = document.documentElement.clientHeight; 
var scrollH = document.documentElement.scrollTop || document.body.scrollTop; 
return documentH+scrollH>=getLastH() ?true:false; 

/** 
* 获得最后一个box所在列的高度 
*/ 
function getLastH(){ 
var wrap = document.getElementById('wrap'); 
var boxs = getClass(wrap,'box'); 
return boxs[boxs.length-1].offsetTop+boxs[boxs.length-1].offsetHeight; 

/** 
* 设置加载样式 
* @param box [obj] 设置的Box 
* @param top [Num] box的top值 
* @param left [Num] box的left值 
* @param index [Num] box的第几个 
*/ 
var getStartNum = 0;//设置请求加载的条数的位置 
function getStyle(box,top,left,index){ 
if (getStartNum>=index) return; 
$(box).css({ 
'position':'absolute', 
'top':top, 
"left":left, 
"opacity":"0" 
}); 
$(box).stop().animate({ 
"opacity":"1" 
},999); 
getStartNum = index;//更新请求数据的条数位置 

</script> 
</head> 
<body> 
<section id="title"> 
<h2>瀑布流效果的学习</h2>By Smile. 
</section> 
<div id="wrap"> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/1.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/2.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/3.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/4.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/5.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/6.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
<div class="box"> 
<div class="info"> 
<div class="pic"><img src="/jscss/demoimg/201312/7.jpg"></div> 
<div class="title"><a href="#">图片标题</a></div> 
</div> 
</div> 
</div> 
<div style="text-align:center;clear:both"> 
</div> 
</body> 
</html>