可任意拖动的DIV层-JS特效-爱易网页

可任意拖动的DIV层

日期：2014-05-18　浏览次数：20272 次

以下是HTML网页特效代码，点击运行按钮可查看效果：

以下是程序代码

<!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=gb2312">
<title>Drag & Drop</title>
<style type="text/css">
body{ background-color:#36393D; font-size:12px; margin:0px; }
DIV.dragLayer{
 border:1px solid #369;
 background-color:#6BBA70;
 margin-bottom:10px;
}
DIV.dragLayer_over{
 border:1px solid #C79810;
 background-color:#6BBA70;
 filter:alpha(opacity=80);
 -moz-opacity:0.8; /* Moz + FF */
 opacity: 0.8; /* 支持CSS3的浏览器（FF 1.5也支持）*/
}
DIV.clone_dragLayer_over{
 border:1px dashed #FA0;
 background-color:#6BBA70;
 filter:alpha(opacity=80);
 -moz-opacity:0.8; /* Moz + FF */
 opacity: 0.8; /* 支持CSS3的浏览器（FF 1.5也支持）*/
 margin-bottom:10px;
}
DIV.dragHeader{
 width:100%; height:20px ; line-height:20px; background-color:#006E2E; color:#FFFFFF;
}
DIV.dragHeader_over{
 width:100%; height:20px ; line-height:20px; background-color:#C79810;
}
SPAN.min,SPAN.close{cursor:pointer;font-family:Webdings}
#container{margin:0px}
#leftcontainer{float:left;  width:33%;}
#middlecontainer{float:left; width:34%;}
#middlecontainer div{margin-left:auto; margin-right:auto}
#rightcontainer{float:right; width:33%;}
#rightcontainer div{float:right}
DIV.content{width:100%; padding:4px}
</style>
<script type="text/javascript">
var CoolDrag={
 obj : null, //目标对象
 cloneobj : null, //拖动对象
 container : null, //容器
 dragged : false, //拖动标志
 shadow: null, //阴影
 
 init:function(id){
  CoolDrag.container = $(id);
  var cooldrag = CoolDrag.read("cooldrag");
  if(cooldrag != ""){//读取cookie
   var subcontainer = cooldrag.split("|");
   for(var i=0 ; i < subcontainer.length; i++){
    var subcontainerItem = subcontainer[i].split(":");
    if($(subcontainerItem[0])){
     var items = subcontainerItem[1].split(",");
     for(var j=0; j< items.length; j++){
      if($(items[j])) $(subcontainerItem[0]).appendChild($(items[j]));
     }
    }
   }
  }
  cleanWhitespace(CoolDrag.container)//清除空白节点
  var collection = CoolDrag.container.getElementsByTagName("DIV");
  for(var i = 0; i < collection.length; i++){
   if(collection[i].className == "dragLayer"){
    var o = collection[i].firstChild;   
    SavedObject.push([o.parentNode.id,1,o.parentNode.style.height]);
    o.onmousedown = CoolDrag.start;
   }
  }
  document.onmousemove = CoolDrag.drag;
  document.onmouseup = CoolDrag.end;
 },
 
 start:function(e){
  if(!e) e = window.event;
  var obj = getT(e);
  if(obj.className == "min"){
   CoolDrag.min(e);
   return;
  }else if(obj.className == "close"){
   CoolDrag.close(e);
   return;
  }else{
   if(obj.className != "dragHeader") obj = obj.parentNode;
  }
  CoolDrag.dragged = true;
  CoolDrag.obj = obj.parentNode;
  CoolDrag.cloneobj = CoolDrag.obj.cloneNode(true);
  document.body.appendChild(CoolDrag.cloneobj);
  CoolDrag.shadow = document.createElement("DIV");
  document.body.appendChild(CoolDrag.shadow);
  with(CoolDrag.cloneobj.style){
   position = "absolute";
   zIndex = 1000;
   left = getRealLeft(CoolDrag.obj) + "px";
   top = getRealTop(CoolDrag.obj) + "px";
  }
  with(CoolDrag.shadow.style){
   position = "absolute";
   zIndex = 999;
   left = getRealLeft(CoolDrag.obj) + 4 + "px";
   top = getRealTop(CoolDrag.obj) + 4 + "px";
   width = CoolDrag.obj.offsetWidth + "px";
   height = CoolDra</div></div>

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