div 移动

来源：互联网发布：卓讯企业名录软件编辑：程序博客网时间：2024/04/30 17:17

<html>
<head>
<title>移动Div</title>
<style type="text/css" rel="stylesheet">
   #movediv{
    width:100px;height:100px;position:absolute;border:1px solid #000;background:#EAEAEA;
    cursor:pointer;
    text-align:center;
    line-height:100px;
    left:100px;
    top:10px;
   }
</style>
<script language="javascript" type="text/javascript">
   var _IsMousedown = 0;
   var _ClickLeft = 0;
   var _ClickTop = 0;
   function moveInit(divID,evt)
   {
    _IsMousedown = 1;
    if(getBrowserType() == "NSupport")
    {
     return;
    }
    var obj = getObjById(divID);
    if(getBrowserType() == "fox")
    {
     _ClickLeft = evt.pageX - parseInt(obj.style.left);
     _ClickTop = evt.pageY - parseInt(obj.style.top);
    }else{
     _ClickLeft = evt.x - parseInt(obj.style.left);
     _ClickTop = evt.y - parseInt(obj.style.top);
    }
   }
   function Move(divID,evt)
   {
    if(_IsMousedown == 0)
    {
     return;
    }
    var objDiv = getObjById(divID);
    if(getBrowserType() == "fox")
    {
     objDiv.style.left = evt.pageX - _ClickLeft;
     objDiv.style.top = evt.pageY - _ClickTop;
    }
    else{
     objDiv.style.left = evt.x - _ClickLeft;
     objDiv.style.top = evt.y - _ClickTop;
    }

   }
   function stopMove()
   {
    _IsMousedown = 0;
   }
   function getObjById(id)
   {
    return document.getElementById(id);
   }
   function getBrowserType()
   {
    var browser=navigator.appName
    var b_version=navigator.appVersion
    var version=parseFloat(b_version)
    //alert(browser);
    if ((browser=="Netscape"))
    {
     return "fox";
    }
    else if(browser=="Microsoft Internet Explorer")
    {
     if(version>=4)
     {
      return "ie4+";
     }
     else
     {
      return "ie4-";
     }
    }
    else
    {
     return "NSupport";
    }
   }
</script>
</head>
<body>
<div id="movediv" style="left:20px;top:20px;" onmousedown="moveInit('movediv',event);" onmousemove="Move('movediv',event)" onmouseup="stopMove()" onmouseout="stopMove()">move</div>
</body>
</html>