Javascript Drag&Drop 小例子

最新推荐文章于 2024-01-30 20:59:28 发布

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#JavaScript #IE #Firefox #Opera #XHTML #ViewUI

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<!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" lang="gb2312"> 
<head> 
<title> 代码实例：拖动对象 Drag Object (兼容:IE、Firefox、Opera ... )</title> 
<meta http-equiv="content-type" content="text/html; charset=gb2312" /> 
<meta name="keywords" content="代码实例：拖动对象"> 
<meta name="description" content="最简短的拖动对象代码实例演示"> 
<style> 
.dragAble {position:relative;cursor:move;}  
</style> 
<script language="javascript"> 
<!--  
var ie=document.all;  
var nn6=document.getElementById&&!document.all;  
var isdrag=false;  
var y,x;  
var oDragObj;  
 
function moveMouse(e) {  
 if (isdrag) {  
 oDragObj.style.top  =  (nn6 ? nTY + e.clientY - y : nTY + event.clientY - y)+"px";  
 oDragObj.style.left  =  (nn6 ? nTX + e.clientX - x : nTX + event.clientX - x)+"px";  
 return false;  
 }  
}  
 
function initDrag(e) {  
 var oDragHandle = nn6 ? e.target : event.srcElement;  
 var topElement = "HTML";  
 while (oDragHandle.tagName != topElement && oDragHandle.className != "dragAble") {  
 oDragHandle = nn6 ? oDragHandle.parentNode : oDragHandle.parentElement;  
 }  
 if (oDragHandle.className=="dragAble") {  
 isdrag = true;  
 oDragObj = oDragHandle;  
 nTY = parseInt(oDragObj.style.top+0);  
 y = nn6 ? e.clientY : event.clientY;  
 nTX = parseInt(oDragObj.style.left+0);  
 x = nn6 ? e.clientX : event.clientX;  
 document.onmousemove=moveMouse;  
 return false;  
 }  
}  
document.onmousedown=initDrag;  
document.onmouseup=new Function("isdrag=false");  
//--> 
</script> 
</head> 
<body> 
<div style="border:1px solid #ff6d00;background:#ffd801;width:240px;padding:5px 0;" class="dragAble">这些都是可拖动对象</div> 
<br>
<div class="dragAble">我也可以动吗?</div>
</body> 
</html>

from: http://blog.youkuaiyun.com/xyk0830/archive/2007/11/07/1871712.aspx