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          例子一
          
===================================================
          

          

          <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
          
"
<html>
          
<head>
          
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
          
<title>drag layer</title>
          
<style>
          
body,table{color:#000000;
          
    font-size:12px;
          
}
          
div.div_one{}
          
.dragBar{color:#FFFFFF;
          
    font-weight:bold}
          
</style>
          
<script language="javascript" defer>
          
/*written by           joelee@51js
          
*/
          
    var tmpElement=null;
          
    var dragElement=null;
          
    var downX,downY,tmp_o_x,tmp_o_y;
          
    var refElement=null;
          
    var dragActive=0;
          
    var draging=0;
          
function readyDrag(){
          
    dragActive=1;
          
    if(event.srcElement.tagName!="DIV")
          
        return;
          
    dragElement=event.srcElement.parentNode;
          
    tmpElement=dragElement.cloneNode(true);
          
    tmpElement.style.filter="alpha(opacity=90)";
          
    tmpElement.style.zIndex=2;
          
    dragElement.style.zIndex=1;
          
    tmpElement.style.position="absolute";
          
    if(dragElement.parentNode.tagName!="BODY"){
          
        dragElement.style.left=dragElement.offsetLeft+dragElement.parentNode.style.pixelLeft;
          
        dragElement.style.top=dragElement.offsetTop+dragElement.parentNode.style.pixelTop;
          
    }
          
    downX=event.clientX;
          
    downY=event.clientY;
          
    tmp_o_x=dragElement.style.pixelLeft;
          
    tmp_o_y=dragElement.style.pixelTop;
          
    tmpElement.style.visibility="hidden";
          
    document.body.appendChild(tmpElement);
          
    document.onmousemove=startDrag;
          
    }
          
    document.onmouseup=endDrag;
          
function startDrag(){
          
    if(dragActive==1&&event.button==1&&dragElement!=null&&tmpElement!=null){
          
        tmpElement.style.visibility="visible";
          
        tmpElement.style.left=tmp_o_x+event.clientX-downX;
          
        tmpElement.style.top=tmp_o_y+event.clientY-downY;
          
        dragElement.style.backgroundColor="#CCCCCC";
          
        document.body.style.cursor="move";
          
        draging=1;
          
    }
          
}
          
function endDrag(){
          
    if(dragActive==1&&tmpElement!=null){
          
        if(draging==1){
          
            dragElement.removeNode(true);
          
            draging=0;
          
        }
          
        tmpElement.style.filter="alpha(opacity=100)";
          
        tmpElement.style.zIndex=1;
          
        document.body.style.cursor="default";
          
        if(refElement!=null&&refElement.parentNode!=null&&refElement.parentNode.tagName!="BODY"){
          
            tmpElement.style.width=refElement.parentNode.style.width;
          
            tmpElement.style.position="";
          
            refElement.parentNode.insertBefore(tmpElement,refElement);
          
        }
          
    }
          
    dragElement=null;
          
    tmpElement=null;
          
    dragActive=0;
          
}
          
function readyInsert(){
          
    if(dragActive==1){
          
        var element=event.srcElement;
          
        if(element==dragElement)return;
          
        if(element.tagName!="DIV")
          
            return;
          
        if(element.className=="dragBar"||element.className=="textSheet"||element.className=="blankBar")
          
            element=element.parentNode;
          
        element.style.backgroundColor="#CCCCCC";
          
        element.style.filter="alpha(opacity=50)";
          
        refElement=element;
          
    }
          
}
          
function failInsert(){
          
    var element=event.srcElement;
          
    if(element.tagName!="DIV")
          
        return;
          
    try{
          
        if(element.className=="dragBar"||element.className=="textSheet"||element.className=="blankBar")
          
            element=element.parentNode;
          
    }catch(e){}
          
    element.style.filter="alpha(opacity=100)";
          
    element.style.backgroundColor="#FFFFFF";
          
    refElement=null;
          
}
          
document.onselectstart=function(){return false}
          
</script>
          
</head>
          

          <body>
          
<div id="div_one" class="div_one" style="position:absolute; left:116px; top:137px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()">
          
  <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Window</div>
          
<div class="textSheet" style="border:1px solid #996666;">Content<br>
          
  Content<br>
          
  Content<br>
          
  Content  <br>
          
</div>
          
<div class="blankBar" style="height:10px"></div></div>
          
<div id="grid1" style="position:absolute; left:534px; top:37px; width:336px; height:15px; z-index: 100; visibility: visible;">
          
  <div style="height:20px;z-index:2;" onMouseOver="readyInsert()" onMouseOut="failInsert();">把層拖動(dòng)到這兒</div>
          
</div>
          
<div id="grid2" style="position:absolute; left:20px; top:40px; width:494px; height:15px; z-index: 100; visibility: visible;">
          
  <div style="height:20px;z-index:2; background-image:url()" onMouseOver="readyInsert()" onMouseOut="failInsert();">把層拖動(dòng)到這兒</div>
          
</div>
          
<div id="div_one" class="div_one" style="position:absolute; left:204px; top:277px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()">
          
  <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">BBS</div>
          
  <div class="textSheet" style="border:1px solid #996666;">Content</div>
          
  <div class="blankBar" style="height:10px"></div>
          
</div>
          
<div id="div_one" class="div_one" style="position:absolute; left:561px; top:195px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()">
          
  <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Log</div>
          
  <div class="textSheet" style="border:1px solid #996666;">Content<br>
          
    Content<br>
          
    Content    <br>
          
  Content<br>
          
</div>
          
  <div class="blankBar" style="height:10px"></div>
          
</div>
          
<div id="div_one" class="div_one" style="position:absolute; left:438px; top:74px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()">
          
  <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Worker</div>
          
  <div class="textSheet" style="border:1px solid #996666;">Content</div>
          
  <div class="blankBar" style="height:10px"></div>
          
</div>
          
<div id="div_one" class="div_one" style="position:absolute; left:206px; top:406px; width:433px; z-index:1; background-color: #FFFFFF; layer-background-color: #FFFFFF;" onMouseOver="readyInsert()" onMouseOut="failInsert()">
          
  <div onMouseDown="readyDrag()" style="cursor:move; border:1px solid #996666; background-color:#996666; height:20px" name="dragDIV" class="dragBar"><img src="snap_icon.gif" width="16" height="16">Tools</div>
          
  <div class="textSheet" style="border:1px solid #996666;">Content</div>
          
  <div class="blankBar" style="height:10px"></div>
          
</div>
          
</body>
          
</html>
          

          

          

          例子二
          

          

          ================================================================
          

          
<html>
          
<head>
          
<title>DRAG the DIV</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>
          
/****JoeLee************E-MAIL:hktx@163.com****QQ:48293707*****11:09 2006-2-9******/
          
    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:判斷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){//取得坐標(biāo)
          
    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){//從GOOGLE網(wǎng)站來(lái),用于恢復(fù)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><b>GMAIL</b></td>
          
            </tr>
          
            <tr>
          
                <td>暫時(shí)無(wú)法顯示GMAIL內(nèi)容</td>
          
            <tr>
          
        </table><table border=0 class="dragTable" cellspacing="0">
          
            <tr>
          
                <td>新浪體育</td>
          
            </tr>
          
            <tr>
          
                <td>解剖威隊(duì)獨(dú)門(mén)利器FW28 2萬(wàn)轉(zhuǎn)引擎匹配超級(jí)變速器頒獎(jiǎng)：辛吉斯欣喜能以冠軍起步 印度搭檔創(chuàng)下紀(jì)錄法新社前瞻冬奧短道速滑：中韓唱主角 美加施冷箭</td>
          
            <tr>
          
        </table><table border=0 class="dragTable" cellspacing="0">
          
            <tr>
          
                <td>焦點(diǎn)</td>
          
            </tr>
          
            <tr>
          
                <td>京廣線中斷4小時(shí)20臨客返漢晚點(diǎn)
          
中國(guó)新聞網(wǎng)-湖北分社 - 所有 235 相關(guān)報(bào)道 »哈馬斯已有總理人選
          
解放日?qǐng)?bào)報(bào)業(yè)集團(tuán) - 所有 489 相關(guān)報(bào)道 »陳水扁是兩岸關(guān)系麻煩制造者
          
武漢晨報(bào) - 所有 179 相關(guān)報(bào)道 »</td>
          
            <tr>
          
        </table>
          
    </td>
          
    <td width="25%">
          
        <table border=0 class="dragTable" cellspacing="0">
          
            <tr>
          
                <td>中關(guān)村在線</td>
          
            </tr>
          
            <tr>
          
                <td>新年行情速遞 雙敏板卡低價(jià)推薦 終于等到了，映泰6600GT一降降一百 羅技G15游戲鍵盤(pán)熱力促銷(xiāo)，代購(gòu)價(jià)僅529元 </td>
          
            <tr>
          
        </table></td>
          
    <td width="25%">
          
        <table border=0 class="dragTable" cellspacing="0">
          
            <tr>
          
                <td>網(wǎng)易商業(yè)</td>
          
            </tr>
          
            <tr>
          
                <td>上海GDP增幅去年出現(xiàn)回落應(yīng)對(duì)反傾銷(xiāo) 中國(guó)鞋企聯(lián)手對(duì)抗歐盟尹家緒操盤(pán)南方汽車(chē) 長(zhǎng)安謀求曲線整體境外上市</td>
          
            <tr>
          
        </table>
          
    </td>
          
</tr>
          
</table>
          
</body>
          
</html>
          

          

	
          posted on 2007-10-09 09:19 lk 閱讀(245) 評(píng)論(0)  編輯  收藏  所屬分類(lèi): ajax&js 
          

          







          
	    
    




          








          

				
	



          



    







          
        
	




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