<!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=utf-8" />
<title>照片墙一多实例演示</title>
<style type="text/css">
body,div,h2,ul,li{margin:0;padding:0;}
body{font:12px/1.5 Arail;}
.box{width:860px;margin:10px auto;background:#eee;border:1px solid #b8b8b8;overflow:hidden}
.title{height:30px;line-height:30px;font-size:14px;padding:0 15px 0 35px;border-bottom:1px solid #b8b8b8;background:#fafafa url(http://js.alixixi.com/img/mm/ico.gif) 5px 50% no-repeat;}
.title span{float:left;}
.title a{float:right;color:#06f;outline:none;}
.title a:hover{color:red;}
.box ul{float:left;padding:0 15px 15px 0;}
.box li{float:left;width:140px;height:105px;padding:6px;background:#fff;border:1px solid #c3c3c3;display:inline;margin:15px 0 0 15px;list-style:none;}
.box li img{float:left;width:140px;height:105px;}
.box li.hig{padding:5px;border:2px dashed #f30;opacity:0.5;filter:alpha(opacity=50);}
</style>
<script type="text/javascript">
//获取ID
var $ = function (id) {return typeof id === "string" "(\\s|^)" + sClass + "($|\\s)"),
aElement = $$("*", oParent);
for (i = 0; i < aElement.length; i++)reClass.test(aElement[i].className) && aClass.push(aElement[i]);
return aClass
};
//获取元素位置
function getPos(obj) {
var iTop = obj.offsetTop;
var iLeft = obj.offsetLeft;
while (obj.offsetParent)
{
iTop += obj.offsetParent.offsetTop;
iLeft += obj.offsetParent.offsetLeft;
obj = obj.offsetParent;
}
return {top:iTop, left:iLeft}
};
//创建照片墙对象
var PhotoWall = function () {this.initialize.apply(this, arguments)};
PhotoWall.prototype = {
initialize: function (obj, aData)
{
var oThis = this;
this.oParent = $(obj);
this.oUl = $$("ul", this.oParent)[0];
this.oBtn = $$("a", this.oParent)[0];
this.zIndex = 1;
this.aPos = [];
this.aData = aData;
this.dom = document.documentElement || document.body;
this.create();
this.oBtn.onclick = function () {oThis.randomOrder()}
},
create: function ()
{
var aFrag = document.createDocumentFragment();
var i = 0;
for (i = 0; i < this.aData.length; i++)
{
var oLi = document.createElement("li");
var oImg = document.createElement("img");
oImg.src = this.aData[i];
oLi.appendChild(oImg);
aFrag.appendChild(oLi)
}
this.oUl.appendChild(aFrag);
this.aLi = $$("li", this.oParent);
this.changeLayout()
},
changeLayout: function ()
{
var i = 0;
this.oParent.style.height = this.oParent.offsetHeight - 2 + "px";
this.aPos.length = 0;
for (i = 0; i < this.aLi.length; i++) this.aLi[i].style.cssText = "";
for (i = 0; i < this.aLi.length; i++)
{
this.aLi[i].index = i;
this.aLi[i].style.top = getPos(this.aLi[i]).top + "px";
this.aLi[i].style.left = getPos(this.aLi[i]).left + "px";
this.aPos.push({left:getPos(this.aLi[i]).left, top:getPos(this.aLi[i]).top})
}
for (i = 0; i < this.aLi.length; i++)
{
this.aLi[i].style.position = "absolute";
this.aLi[i].style.margin = "0";
this.drag(this.aLi[i])
}
},
drag: function (obj, handle)
{
var oThis = this;
var handle = handle || obj;
handle.style.cursor = "move";
handle.onmousedown = function (event)
{
var event = event || window.event;
var disX = event.clientX - this.offsetLeft;
var disY = event.clientY - this.offsetTop;
var oNear = null;
handle.style.zIndex = oThis.zIndex++;
document.onmousemove = function (event)
{
var event = event || window.event;
var iL = event.clientX - disX;
var iT = event.clientY - disY;
var maxL = Math.max(oThis.dom.clientWidth, oThis.dom.scrollWidth) - handle.offsetWidth;
var maxT = Math.max(oThis.dom.clientHeight, oThis.dom.scrollHeight) - handle.offsetHeight;
iL < 0 && (iL = 0);
iT < 0 && (iT = 0);
iL > maxL && (iL = maxL);
iT > maxT && (iT = maxT);
handle.style.left = iL + "px";
handle.style.top = iT + "px";
oNear = oThis.findNearest(obj);
for (var i = 0; i < oThis.aLi.length; i++) oThis.aLi[i].className = "";
oNear && (oNear.className = "hig");
return false
};
document.onmouseup = function ()
{
document.onmousemove = null;
document.onmouseup = null;
if (oNear)
{
handle.index = [handle.index, oNear.index];
oNear.index = handle.index[0];
handle.index = handle.index[1];
oNear.style.zIndex = oThis.zIndex++;
oThis.doMove(handle, oThis.aPos[handle.index]);
oThis.doMove(oNear, oThis.aPos[oNear.index]);
oNear.className = "";
}
else
{
oThis.doMove(handle, oThis.aPos[handle.index])
}
handle.releaseCapture && handle.releaseCapture()
};
this.setCapture && this.setCapture();
return false
};
},
doMove: function (obj, iTarget, callback)
{
var oThis = this;
clearInterval(obj.timer);
obj.timer = setInterval(function ()
{
var iCurL = getPos(obj).left;
var iCurT = getPos(obj).top;
var iSpeedL = (iTarget.left - iCurL) / 5;
var iSpeedT = (iTarget.top - iCurT) / 5;
iSpeedL = iSpeedL > 0 "px";
obj.style.top = iCurT + iSpeedT + "px"
}
}, 30)
},
findNearest: function (obj)
{
var aDistance = [];
var i = 0;
for (i = 0; i < this.aLi.length; i++) aDistance[i] = this.aLi[i] == obj "box");
var aData = [];
var aExample = [];
var i = 0;
//生成图片数据
for (i = 0; i < 20; i++) aData[aData.length] = "http://js.alixixi.com/img/mm/" + i + ".jpg";
//循环创建多个实例
for (i = 0; i < aBox.length; i++)
{
var oExample = new PhotoWall(aBox[i], aData);
aExample.push(oExample)
}
this.onresize = function ()
{
for (var p in aExample) aExample[p].changeLayout()
};
this.onresize()
};
</script>
</head>
<body>
<div class="box">
<h2 class="title"><span>一堆90后</span><a href="javascript:;" rel="external nofollow" rel="external nofollow" class="order">随机排序</a></h2>
<ul></ul>
</div>
<div class="box">
<h2 class="title"><span>一堆90后</span><a href="javascript:;" rel="external nofollow" rel="external nofollow" class="order">随机排序</a></h2>
<ul></ul>
</div>
</body>
</html>
效果：
以上就是原生js实现照片墙效果的详细内容，更多关于js 照片墙的资料请关注其它相关文章！
标签：
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