<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>原生点击按钮加载更多(懒加载，每次加载N个)</title>
<style>
* {
margin: 0;
padding: 0;
list-style: none;
}
body {
background: #333;
font-size: 14px;
font-family: "微软雅黑"
}
a {
color: #333;
text-decoration: none;
}
.hidden {
display: none;
}
.jq22 {
width: 800px;
height: auto;
margin: 0 auto;
overflow: hidden;
text-align: left;
background: #fff;
padding: 5px;
}
.jq22 ul.list {
overflow: hidden;
}
.jq22 ul.list li {
width: 150px;
height: 150px;
margin: 5px;
float: left;
overflow: hidden;
}
.jq22 ul.list li img {
width: 100%;
height: 100%;
}
.jq22 ul.list p {
text-align: center;
padding: 10px;
}
.jq22 .more {
overflow: hidden;
padding: 10px;
text-align: center;
}
.jq22 .more a {
display: block;
width: 80px;
padding: 8px 0;
color: #fff;
margin: 0 auto;
background: #333;
text-align: center;
border-radius: 3px;
}
.jq22 .more a:hover {
text-decoration: none;
background: red;
color: #fff;
}
</style>
</head>
<body>
<!--代码部分begin-->
<div class="jq22">
<div class="hidden">
<li><img src="images/1px.gif" realSrc="images/500x500-1.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-1.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-1.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-1.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-1.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-2.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-2.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-2.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-2.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-2.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-3.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-3.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-3.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-3.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-3.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-4.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-4.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-4.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-4.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-4.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-5.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-5.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-5.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-5.png" width="150" height="150" /></li>
<li><img src="images/1px.gif" realSrc="images/500x500-5.png" width="150" height="150" /></li>
</div>
<ul class="list">数据加载中，请稍后...</ul>
<div class="more"><a href="javascript:;" onClick="jq22.loadMore();">加载更多</a></div>
</div>
<script src="http://www.jq22.com/jquery/jquery-1.10.2.js"></script>
<script>
var _content = []; //临时存储li循环内容
var jq22 = {
_default: 10, //默认显示图片个数
_loading: 5, //每次点击按钮后加载的个数
init: function() {
var lis = $(".jq22 .hidden li");
$(".jq22 ul.list").html("");
for(var n = 0; n < jq22._default; n++) {
lis.eq(n).appendTo(".jq22 ul.list");
}
$(".jq22 ul.list img").each(function() {
$(this).attr('src', $(this).attr('realSrc'));
})
for(var i = jq22._default; i < lis.length; i++) {
_content.push(lis.eq(i));
}
$(".jq22 .hidden").html("");
},
loadMore: function() {
var mLis = $(".jq22 ul.list li").length;
for(var i = 0; i < jq22._loading; i++) {
var target = _content.shift();
if(!target) {
$('.jq22 .more').html("<p>全部加载完毕...</p>");
break;
}
$(".jq22 ul.list").append(target);
$(".jq22 ul.list img").eq(mLis + i).each(function() {
$(this).attr('src', $(this).attr('realSrc'));
});
}
}
}
jq22.init();
</script>
<!--代码部分end-->
</body>
</html>
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