弹出可拖拽可关闭的div层代码,JS代码库,德仔网

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【JS】弹出可拖拽可关闭的div层

作者:泳臻 / 发布于2015/11/12/ 494


	<!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>
	<title>JS弹出可拖拽可关闭的div层</title>
	<style>
	html,body{height:100%;overflow:hidden;}
	body,div,h2{margin:0;padding:0;}
	body{font:12px/1.5 Tahoma;}
	center{padding-top:10px;}
	button{cursor:pointer;}
	#overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000;opacity:0.5;filter:alpha(opacity=50);display:none;}
	#win{position:absolute;top:50%;left:50%;width:400px;height:200px;background:#fff;border:4px solid #f90;margin:-102px 0 0 -202px;display:none;}
	h2{font-size:12px;height:18px;text-align:right;background:#FC0;border-bottom:3px solid #f90;padding:5px;cursor:move;}
	h2 span{color:#f90;cursor:pointer;background:#fff;border:1px solid #f90;padding:0 2px;}
	</style>
	<script>
	window.onload = function ()
	{
	var oWin = document.getElementById("win");
	var oLay = document.getElementById("overlay");
	var oBtn = document.getElementsByTagName("button")[0];
	var oClose = document.getElementById("close");
	var oH2 = oWin.getElementsByTagName("h2")[0];
	var bDrag = false;
	var disX = disY = 0;
	oBtn.onclick = function ()
	{
	 oLay.style.display = "block";
	 oWin.style.display = "block"
	};
	oClose.onclick = function ()
	{
	 oLay.style.display = "none";
	 oWin.style.display = "none"
	
	};
	oClose.onmousedown = function (event)
	{
	 (event || window.event).cancelBubble = true;
	};
	oH2.onmousedown = function (event)
	{
	 var event = event || window.event;
	 bDrag = true;
	 disX = event.clientX - oWin.offsetLeft;
	 disY = event.clientY - oWin.offsetTop;
	 this.setCapture && this.setCapture();
	 return false
	};
	document.onmousemove = function (event)
	{
	 if (!bDrag) return;
	 var event = event || window.event;
	 var iL = event.clientX - disX;
	 var iT = event.clientY - disY;
	 var maxL = document.documentElement.clientWidth - oWin.offsetWidth;
	 var maxT = document.documentElement.clientHeight - oWin.offsetHeight;
	 iL = iL < 0 ? 0 : iL;
	 iL = iL > maxL ? maxL : iL;
	 iT = iT < 0 ? 0 : iT;
	 iT = iT > maxT ? maxT : iT;
	
	 oWin.style.marginTop = oWin.style.marginLeft = 0;
	 oWin.style.left = iL + "px";
	 oWin.style.top = iT + "px";
	 return false
	};
	document.onmouseup = window.onblur = oH2.onlosecapture = function ()
	{
	 bDrag = false;
	 oH2.releaseCapture && oH2.releaseCapture();
	};
	};
	</script>
	</head>
	<body>
	<div id="overlay"><hr><p align="center"><font color=red>本特效由 <a href="http://www.daimajiayuan.com" target="_blank">代码家园</a>丨 收集于互联网，只为兴趣与学习交流，不作商业用途。</font>
	</div>
	<div id="win"><h2><span id="close">&times;</span></h2></div>
	<center><button>弹出层</button></center>
	</body>
	</html>

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试试其它关键字

　div层　　可拖拽　　弹出　

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