类似博客中拖动模块代码-Javascript-技术教程-asp编程网

<html>
<head>
<title>移动的窗口</title>
<style>
*{font-size:12px}
.dragTable{
font-size:12px;
border-top:1px solid #3366cc;
margin-bottom: 10px;
width:100%;
background-color:#FFFFFF;
}
.dragTR{
cursor:move;
color:#7787cc;
background-color:#e5eef9;
}
td{vertical-align:top;}
#parentTable{
border-collapse:collapse;
letter-spacing:25px;
}
</style>

<script  defer>
var draged=false;
tdiv=null;
function dragStart(){
ao=event.srcElement;
if((ao.tagName=="TD")||(ao.tagName=="TR"))ao=ao.offsetParent;
else return;
draged=true;
tdiv=document.createElement("div");
tdiv.innerHTML=ao.outerHTML;
tdiv.style.display="block";
tdiv.style.position="absolute";
tdiv.style.filter="alpha(opacity=70)";
tdiv.style.cursor="move";
tdiv.style.width=ao.offsetWidth;
tdiv.style.height=ao.offsetHeight;
tdiv.style.top=getInfo(ao).top;
tdiv.style.left=getInfo(ao).left;
document.body.appendChild(tdiv);
lastX=event.clientX;
lastY=event.clientY;
lastLeft=tdiv.style.left;
lastTop=tdiv.style.top;
try{
  ao.dragDrop();
}catch(e){}
}
function draging(){//重要:判断MOUSE的位置
if(!draged)return;
var tX=event.clientX;
var tY=event.clientY;
tdiv.style.left=parseInt(lastLeft)+tX-lastX;
tdiv.style.top=parseInt(lastTop)+tY-lastY;
for(var i=0;i<parentTable.cells.length;i++){
  var parentCell=getInfo(parentTable.cells[i]);
  if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){
   var subTables=parentTable.cells[i].getElementsByTagName("table");
   if(subTables.length==0){
    if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){
     parentTable.cells[i].appendChild(ao);
    }
    break;
   }
   for(var j=0;j<subTables.length;j++){
    var subTable=getInfo(subTables[j]);
    if(tX>=subTable.left&&tX<=subTable.right&&tY>=subTable.top&&tY<=subTable.bottom){
     parentTable.cells[i].insertBefore(ao,subTables[j]);
     break;
    }else{
     parentTable.cells[i].appendChild(ao);
    }
   }
  }
}
}

function dragEnd(){
if(!draged)return;
draged=false;
mm=ff(150,15);
}
function getInfo(o){//取得坐标
var to=new Object();
to.left=to.right=to.top=to.bottom=0;
var twidth=o.offsetWidth;
var theight=o.offsetHeight;
while(o!=document.body){
  to.left+=o.offsetLeft;
  to.top+=o.offsetTop;
  o=o.offsetParent;
}
  to.right=to.left+twidth;
  to.bottom=to.top+theight;
return to;
}
function ff(aa,ab){//从GOOGLE网站来,用于恢复位置
var ac=parseInt(getInfo(tdiv).left);
var ad=parseInt(getInfo(tdiv).top);
var ae=(ac-getInfo(ao).left)/ab;
var af=(ad-getInfo(ao).top)/ab;
return setInterval(function(){if(ab<1){
       clearInterval(mm);
       tdiv.removeNode(true);
       ao=null;
       return
      }
     ab--;
     ac-=ae;
     ad-=af;
     tdiv.style.left=parseInt(ac)+"px";
     tdiv.style.top=parseInt(ad)+"px"
    }
,aa/ab)
}
function inint(){//初始化
for(var i=0;i<parentTable.cells.length;i++){
  var subTables=parentTable.cells[i].getElementsByTagName("table");
  for(var j=0;j<subTables.length;j++){
   if(subTables[j].className!="dragTable")break;
   subTables[j].rows[0].className="dragTR";
   subTables[j].rows[0].attachEvent("onmousedown",dragStart);
   subTables[j].attachEvent("ondrag",draging);
   subTables[j].attachEvent("ondragend",dragEnd);
  }
}
}
inint();

</script>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="10" width="100%" height=500 id="parentTable">
<tr >
<td width="25%" valgin="top">
  <table border=0 class="dragTable" cellspacing="0">
   <tr>
    <td>AJAX</td>
   </tr>
   <tr>
    <td id="div4"></td>
   <tr>
  </table>
  <table border=0 class="dragTable" cellspacing="0">
   <tr>
    <td>datagrid</td>
   </tr>
   <tr>
    <td id="div5"></td>
   <tr>
  </table>
  <table border=0 class="dragTable" cellspacing="0">
    <tr>
      <td>asp.net</td>
    </tr>
    <tr>
      <td id="div3"></td>
    <tr>
    </table></td>
<td width="25%">
  <table border=0 class="dragTable" cellspacing="0">
   <tr>
    <td>C#.net</td>
   </tr>
   <tr>
    <td id="div2" > </td>
   <tr>
  </table></td>
<td width="25%">
  <table border=0 class="dragTable" cellspacing="0"  id="td3">
   <tr>
    <td  >javascrip<a href="#" onClick="document.all.td3.style.display='none'" onMouseDown="document.all.imag1.src='Icon2.gif'" onMouseUp="document.all.imag1.src='Icon.gif'" onFocus="this.blur()" ><img src="Icon.gif" width="16" height="14" id="imag1" border="0"></a></td>
   </tr>
   <tr>
    <td id="dv" ><div id="div10" ></div></td>
   <tr>
  </table>
</td>
</tr>
</table>
</body>
</html>

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