一个不错的拖拽--Clone效果代码

时间：2022-06-25 20:16:49 编辑：袖梨来源：一聚教程网

提示：您可以先修改部分代码再运行

<!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>拖拽--Clone</title>
<style type="text/<a href="http://www.111com.net/cssdiv/css.html" target="_blank">css</a>">
body,div{margin:0;padding:0;}
body{background:#3e3e3e;}
div{position:absolute;cursor:move;border:1px solid #888;background:#000;}
#drag1{top:100px;left:100px;}
#drag2{top:100px;left:300px;}
#temp{opacity:0.3;filter:alpha(opacity=30);}
</style>
<script type="text/javascript">
var zIndex = 1;
window.onload = function ()
{
	var oDrag1 = document.getElementById("drag1");
	var oDrag2 = document.getElementById("drag2");
	drag(oDrag1);
	drag(oDrag2);
};
function drag(oDrag)
{
	var disX = dixY = 0;
	oDrag.onmousedown = function (event)
	{
		var event = event || window.event;
		disX = event.clientX - this.offsetLeft;
		disY = event.clientY - this.offsetTop;		
		
		var oTemp = document.createElement("div");
		oTemp["id"] = "temp";
		oTemp.style.left = this.currentStyle ? this.currentStyle["left"] : getComputedStyle(this, null)["left"];
		oTemp.style.top = this.currentStyle ? this.currentStyle["top"] : getComputedStyle(this, null)["top"];
		oTemp.style.zIndex = zIndex++;
		document.body.appendChild(oTemp);
		
		document.onmousemove = function (event)
		{
			var event = event || window.event;
			var iL = event.clientX - disX;
			var iT = event.clientY - disY;
			var maxL = document.documentElement.clientWidth - oDrag.offsetWidth;
			var maxT = document.documentElement.clientHeight - oDrag.offsetHeight
			
			iL <= 0 && (iL = 0);
			iT <= 0 && (iT = 0);
			iL >= maxL && (iL = maxL);
			iT >= maxT && (iT = maxT);
			
			oTemp.style.left = iL + "px";
			oTemp.style.top = iT + "px";
			return false;
		};
		
		document.onmouseup = function ()
		{
			document.onmousemove = null;
			document.onmouseup = null;
			oDrag.style.left = oTemp.style.left;
			oDrag.style.top = oTemp.style.top;
			oDrag.style.zIndex = oTemp.style.zIndex;
			document.body.removeChild(oTemp);
			oDrag.releaseCapture && oDrag.releaseCapture()
		};
		
		this.setCapture && this.setCapture();		
		return false
	}	
}
</script>
</head>
<body>
<div id="drag1"></div>
<div id="drag2"></div>
</body>
</html>
</td>
	  </tr>
	</table>

提示：您可以先修改部分代码再运行

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一个不错的拖拽--Clone效果代码

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