大家知道google日历的表格拖拽效果吧，现在要做一个会议室预订功能，布局与oogle日历类似，只是横向的日期改成各会议室名称显示，怎样做到在对应的会议室下面预订的功能呢？ 高手帮忙.
最好给个完整的实例，本人js功底差
最好给个完整的实例，本人js功底差
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<html>
<head>
<title>中国站长天空-网页特效-导航菜单-仿Google拖拽效果</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<!--把下面代码加到<head>与</head>之间-->
<style type="text/css">
body
{
margin:10px;
}
#dragHelper
{
position:absolute;/*重要*/
border:2px dashed #000000;
background-color:#FFFFFF;
filter: alpha(opacity=30);
}
.normal
{
position:absolute;/*重要*/
width:300px;
#height:10px;
border:1px solid #666666;
background-color:#FFFFFF;
}
.over
{
position:absolute;/*重要*/
width:300px;
#height:10px;
border:1px solid #666666;
background-color:#f3f3f3;
filter: alpha(opacity=50);
}
.dragArea {
CURSOR: move;
}
</style>
</head>
<!--把<body>改为-->
<body oncontextmenu="window.event.returnValue=false">
<!--把下面代码加到<body>与</body>之间-->
<input type="text" id="evt" name="eventValue" size="40" />
<div id="dragHelper" style="display:none"></div>
<div class="normal" overClass="over" dragClass="normal">
<table width="100%">
<tbody>
<tr bgcolor="#CCCCCC" bar="yes"><td>站长天空</td><td dragArea="yes" class="dragArea">……</td><td><a href="#" onclick="openClose(this)">-</a> x</td></tr>
<tr><td colspan="3">地址：http://www.zzsky.cn</td></tr>
<tr><td colspan="3">说明：站长建站乐园</td></tr>
</tbody>
</table>
</div>
<div class="normal" overClass="over" dragClass="normal">
<table width="100%">
<tbody>
<tr bgcolor="#CCCCCC" bar="yes"><td>百度搜索</td><td dragArea="yes" class="dragArea">……</td><td><a href="#" onclick="openClose(this)">-</a> x</td></tr>
<tr><td colspan="3">地址：http://www.baidu.com</td></tr>
<tr><td colspan="3">说明：最好的中文搜索引擎</td></tr>
</tbody>
</table>
</div>
<div class="normal" overClass="over" dragClass="normal">
<table width="100%">
<tbody>
<tr bgcolor="#CCCCCC" bar="yes"><td>谷歌搜索</td><td dragArea="yes" class="dragArea">……</td><td><a href="#" onclick="openClose(this)">-</a> x</td></tr>
<tr><td colspan="3">地址：http://www.google.com</td></tr>
<tr><td colspan="3">说明：最好的全球搜索引擎</td></tr>
</tbody>
</table>
</div>
<script language="javascript">
<!--
var dragObjs = []; //可以拖拽的元素数组
var dragObjTops = [];
var dragHelper = document.getElementById("dragHelper"); //拖拽时位置框
var dragObj = null; //拖拽对象元素
var dragObjPos = 0;
var dragObjOffset = {left:0,top:0}; //拖拽对象原始位置
var mouseInDragObjOffset = {x:0,y:0}; //鼠标在拖拽对象中的相对位置
var initHeight = 40;
Number.prototype.NaN0=function(){return isNaN(this)?0:this;}
function getPosition(e){ //获取元素相对文档的绝对位置
var left = 0;
var top = 0;
while (e.offsetParent){
left += e.offsetLeft;
top += e.offsetTop;
e = e.offsetParent;
}
left += e.offsetLeft;
top += e.offsetTop;
return {x:left, y:top};
}
function mouseCoords(ev){ //获取鼠标相对文档的绝对位置
if(ev.pageX || ev.pageY){
return {x:ev.pageX, y:ev.pageY};
}
return {
x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,
y:ev.clientY + document.body.scrollTop - document.body.clientTop
};
}
function getMouseOffset(target, ev){ // 获取鼠标相对元素的相对位置
ev = ev || window.event;
var elementPos = getPosition(target);
var mousePos = mouseCoords(ev);
return {x:mousePos.x - elementPos.x, y:mousePos.y - elementPos.y};
}
function mouseDown(ev){
ev = ev || window.event;
target = ev.srcElement || ev.target;
if(dragObj){
return;
}
var dragArea = false;
if(target.getAttribute("dragArea")){
dragArea = true;
}
while(!target.getAttribute("isDragObj")){
if(target.tagName=="HTML")
break;
target = target.parentNode;
}
if(dragArea && target.getAttribute("isDragObj")){
dragObj = target;
//重写的目的是让当前对象在最上层
document.body.removeChild(dragObj);
document.body.appendChild(dragObj);
//记录下拖拽对象原始位置
dragObjOffset.left = dragObj.style.left;
dragObjOffset.top = dragObj.style.top;
dragObj.className = dragObj.getAttribute("overClass");
//鼠标在拖拽对象中的相对位置
mouseInDragObjOffset = getMouseOffset(dragObj, ev);
dragHelper.style.left = dragObj.style.left;
dragHelper.style.top = dragObj.style.top;
dragHelper.style.width = dragObj.offsetWidth;
dragHelper.style.height = dragObj.offsetHeight;
dragHelper.style.display = "";
//alert(dragObj.offsetWidth+":"+dragObj.clientWidth);
}
}
function mouseUp(ev){
ev = ev || window.event;
target = ev.srcElement || ev.target;
if(dragObj){
dragObj.style.left = dragHelper.style.left;
dragObj.style.top = dragHelper.style.top;
dragHelper.style.display = "none";
dragObj.className = dragObj.getAttribute("dragClass");
dragObj = null;
}
}
function mouseMove(ev){
ev = ev || window.event;
if(dragObj) {
var mousePos = mouseCoords(ev);
/*dragHelper.style.left = dragObjOffset.left;
dragHelper.style.top = dragObjOffset.top;
dragHelper.style.width = dragObj.offsetWidth;
dragHelper.style.height = dragObj.offsetHeight;
dragHelper.style.display = "";*/
var windowWidth = document.body.offsetWidth; //窗口宽度
var windowHeight = document.body.offsetHeight; //窗口高度
//拖拽对象应该所在当前位置
var dragObjLeft = mousePos.x - mouseInDragObjOffset.x;
var dragObjTop = mousePos.y - mouseInDragObjOffset.y;
//增加判断，不然拖拽对象拖出浏览器窗口
if(dragObjLeft >= 0 && dragObjLeft <= windowWidth - dragObj.offsetWidth - 20)
dragObj.style.left = dragObjLeft;
if(dragObjTop >=0)
dragObj.style.top = dragObjTop;
repaint();
}
}
//克隆对象
function cloneObject(srcObj, destObj){
destObj = srcObj.cloneNode(true);
}
function makeDraggable(element){
element.setAttribute("isDragObj", "y");
}
function repaint(){
for(i=0; i<dragObjs.length; i++){
if(dragObjs[i] == dragObj){
dragObjPos = i;
dragObjs[i] = dragHelper;
break;
}
}
if(dragObjPos>0 && parseInt(dragObj.style.top)<parseInt(dragObjs[dragObjPos-1].style.top)){
dragObjs[dragObjPos] = dragObjs[dragObjPos-1];
dragObjs[dragObjPos-1] = dragHelper;
dragObjPos = dragObjPos - 1;
}
if(dragObjPos<dragObjs.length-1 && parseInt(dragObj.style.top)>parseInt(dragObjs[dragObjPos+1].style.top)){
dragObjs[dragObjPos] = dragObjs[dragObjPos+1];
dragObjs[dragObjPos+1] = dragHelper;
dragObjPos = dragObjPos + 1;
}
paintDragObjs();
dragObjs[dragObjPos] = dragObj;
}
function paintDragObjs(){
var h = 40;
for(i=0; i<dragObjs.length; i++){
dragObjs[i].style.left = 20;
dragObjs[i].style.top = h;
h += dragObjs[i].offsetHeight + 10;
}
}
function openClose(obj){
obj.innerHTML = obj.innerHTML=="-"?"+":"-";
while(obj.tagName != "TBODY"){
obj = obj.parentNode;
}
for(i=0; i<obj.childNodes.length; i++){
if(obj.childNodes[i].nodeName == "#text"
|| obj.childNodes[i].getAttribute("bar")){ continue; }
obj.childNodes[i].style.display=obj.childNodes[i].style.display==""?"none":"";
}
paintDragObjs();
}
document.onmousedown = mouseDown;
document.onmouseup = mouseUp;
document.onmousemove = mouseMove;
window.onload = function(){
var objs = document.getElementsByTagName("Div");
for(i=0; i<objs.length; i++){
var item = objs.item(i);
//if(i==1)item.style.height=150;
if(item.getAttribute("overClass")){
makeDraggable(item);
dragObjs.push(item);
item.style.left = 20;
item.style.top = initHeight;
dragObjTops.push(initHeight);
initHeight += item.offsetHeight + 10;
}
}
// dragHelper = document.createElement(朙DIV朙);
// dragHelper.style.cssText = 朙position:absolute;display:none;朙;
// document.body.appendChild(dragHelper);
}
//-->
</script>
</body>
</html>
立马干google日历源代码http://www.limagan.com/