|
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="keywords" content="">
<meta name="description" content="">
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name ="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width">
<title>html/css</title>
<link rel="icon" type="image/x-icon" href="" />
<link rel="stylesheet" href="css/common.css?v=2015111110">
<style>
* {
margin: 0;
padding: 0;
}
#main {
position: relative;
}
.box {
padding:15px 0 0 15px;
float:left;
}
.pic {
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
box-shadow: 0px 0px 5px #ccc;
}
img {
width:165px;
height:auto;
}
</style>
</head>
<body>
<div id="main">
<div class="box">
<div class="pic">
<img src="images/0.jpg" alt="">
</div>
</div>
<div class="box">
<div class="pic">
<img src="images/1.jpg" alt="">
</div>
</div>
<div class="box">
<div class="pic">
<img src="images/2.jpg" alt="">
</div>
</div>
<div class="box">
<div class="pic">
<img src="images/3.jpg" alt="">
</div>
</div>
<div class="box">
<div class="pic">
<img src="images/4.jpg" alt="">
</div>
</div>
<div class="box">
<div class="pic">
<img src="images/5.jpg" alt="">
</div>
</div>
</div>
<script src="js/jquery-1.7.2.min.js"></script>
<script src="js/jquery-2.1.4.min.js"></script>
<script src="js/common.js"></script>
<script type="text/javascript">
$(window).on("load",function () {
waterfall();
var dataInt = { "data":[{"src":"7.jpg"},{"src":"8.jpg"},{"src":"9.jpg"},{"src":"6.jpg"}]}
模拟json数据;
$(window).on("scroll",function () {
if(checkScrollSlide){
$.each(dataInt.data,function (key,value) {
var oBox=$("<div>").addClass("box").appendTo($("#main"));
//jQuery支持连缀,隐式迭代;
var oPic=$("<div>").addClass('pic').appendTo($(oBox));
$("<img>").attr("src","images/"+$(value).attr("src")).appendTo(oPic);
});
waterfall();
}
})
});
//流式布局主函数;
function waterfall () {
//获取#main元素下的直接子元素div.box;
var $boxs=$("#main>div");
//获取每一列的宽度;
//outerWidth()获取包含padding和border在内的宽度;
//var w=$boxs.eq(0).width();
//width()只能获取给元素定义的宽度;
var w=$boxs.eq(0).outerWidth();
//获取多少列;
var cols=Math.floor($(window).width()/w);
//设置#main元素的宽度和居中样式;
$("#main").width(w*cols).css("margin","0 auto");
//每一列高度的集合;
var hArr=[];
//遍历每一个box元素;
$boxs.each(function (index,value) {
//为了找到之前所有元素的最低点,然后将本元素设置到最低点之下;
var h=$boxs.eq(index).outerHeight();
//每一个box元素的高,
if (index<cols) {
hArr[index]=h;
//确定每列第一个元素的高度;
} else{
var minH=Math.min.apply(null,hArr);
//得出列高数组中的最小高度;
var minHIndex=$.inArray(minH,hArr);
//$.inArray()方法得出元素(minH)在数组(hArr)中的index值;
//console.log(value);
//此时的value是第一行之后的所有的box元素的DOM对象!;
$(value).css({
//$(value):将DOM对象转换成jQuery对象,才能继续使用jQuery方法;
"position":"absolute",
"top":minH+"px",
"left":minHIndex*w+"px"
});
hArr[minHIndex]+=$boxs.eq(index).outerHeight();
//最低高元素的高度+刚添加到最低高度下的元素的高度=新的列高;
};
});
// console.log(hArr);
};
function checkScrollSlide () {
var $lastBox=$("#main>div").last();
var lastBoxDis=$lastBox.offset().top+Math.floor($lastBox.outerHeight()/2);
var scrollTop=$(window).scrollTop();
var documentH=$(window).height();
return (lastBoxDis<scrollTop+documentH)?true:false;
}
</script>
</body>
</html>
|
