简单的js拖拽

来源:互联网 发布:淘宝不能卖pos 编辑:程序博客网 时间:2024/05/01 09:04

<html>
<head>
<title>移动Div</title>
<style type="text/css" rel="stylesheet">
#movediv {
 width:60px;
 height:60px;
 position:absolute;
 border:1px solid #000;
 background:#EAEAEA;
 cursor: move;
 text-align:center;
 line-height:100px;
 left:100px;
 top:10px;
}
</style>
<script language="javascript" type="text/javascript">

 function moveDiv(divId){
  var idMouse = false;
  var xNow = 0;
  var yNow = 0;
  var divObj = document.getElementById(divId);
  
  divObj.onmousedown = function(){
   idMouse = true;
   xNow = event.x - parseInt(divObj.style.left);
   yNow = event.y - parseInt(divObj.style.top);
  };
  
  divObj.onmousemove = function(){
   if(idMouse){
    divObj.style.left= event.x - xNow;
    divObj.style.top = event.y - xNow;
   }
  };
  
  divObj.onmouseup = function(){
   idMouse = false;
  };
 }
</script>
</head>

<body onLoad="moveDiv('movediv')">

<div id="movediv" style="left:20px;top:20px;">move</div>
</body>
</html>

这个只能在IE中运行

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