求把datalist1中绑定的10个图片控件image放到httptable中的image0～image9，
要求实现脱放的效果，
希望有代码和解释，
各位老大哪位有经验，帮帮忙啦！！！！！
要求实现脱放的效果，
希望有代码和解释，
各位老大哪位有经验，帮帮忙啦！！！！！
解决方案 »
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一方面是javascript我不熟悉，
另一方面要对数据库操作的，需要服务器端功能呢
以下代码加入<head>区域
<STYLE>
th{background-color:#CCCCCC}
</STYLE>
<script language="javascript">
//more javascript from http://www.smallrain.net
/*--------全局变量-----------*/
var dragedTable_x0,dragedTable_y0,dragedTable_x1,dragedTable_y1;
var dragedTable_movable = false;
var dragedTable_preCell = null;
var dragedTable_normalColor = null;
//起始单元格的颜色
var dragedTable_preColor = "lavender";
//目标单元格的颜色
var dragedTable_endColor = "#FFCCFF";
var dragedTable_movedDiv = "dragedTable_movedDiv";
var dragedTable_tableId = "";
/*--------全局变量-----------*/function DragedTable(tableId)
{
dragedTable_tableId = tableId;
var oTempDiv = document.createElement("div");
oTempDiv.id = dragedTable_movedDiv;
oTempDiv.onselectstart = function(){return false};
oTempDiv.style.cursor = "hand";
oTempDiv.style.position = "absolute";
oTempDiv.style.border = "1px solid black";
oTempDiv.style.backgroundColor = dragedTable_endColor;
oTempDiv.style.display = "none";
document.body.appendChild(oTempDiv);
document.all(tableId).onmousedown = showDiv;
}//得到控件的绝对位置
function getPos(cell)
{
var pos = new Array();
var t=cell.offsetTop;
var l=cell.offsetLeft;
while(cell=cell.offsetParent)
{
t+=cell.offsetTop;
l+=cell.offsetLeft;
}
pos[0] = t;
pos[1] = l;
return pos;
}//显示图层
function showDiv()
{
var obj = event.srcElement;
var pos = new Array();
//获取过度图层
var oDiv = document.all(dragedTable_movedDiv);
if(obj.tagName.toLowerCase() == "td")
{
obj.style.cursor = "hand";
pos = getPos(obj);
//计算中间过度层位置，赋值
oDiv.style.width = obj.offsetWidth;
oDiv.style.height = obj.offsetHeight;
oDiv.style.top = pos[0];
oDiv.style.left = pos[1];
oDiv.innerHTML = obj.innerHTML;
oDiv.style.display = "";
dragedTable_x0 = pos[1];
dragedTable_y0 = pos[0];
dragedTable_x1 = event.clientX;
dragedTable_y1 = event.clientY;
//记住原td
dragedTable_normalColor = obj.style.backgroundColor;
obj.style.backgroundColor = dragedTable_preColor;
dragedTable_preCell = obj;
dragedTable_movable = true;
}
}
function dragDiv()
{
if(dragedTable_movable)
{
var oDiv = document.all(dragedTable_movedDiv);
var pos = new Array();
oDiv.style.top = event.clientY - dragedTable_y1 + dragedTable_y0;
oDiv.style.left = event.clientX - dragedTable_x1 + dragedTable_x0;
var oTable = document.all(dragedTable_tableId);
for(var i=0; i<oTable.cells.length; i++)
{
if(oTable.cells[i].tagName.toLowerCase() == "td")
{
pos = getPos(oTable.cells[i]);
if(event.x>pos[1]&&event.x<pos[1]+oTable.cells[i].offsetWidth
&& event.y>pos[0]&& event.y<pos[0]+oTable.cells[i].offsetHeight)
{
if(oTable.cells[i] != dragedTable_preCell)
oTable.cells[i].style.backgroundColor = dragedTable_endColor;
}
else
{
if(oTable.cells[i] != dragedTable_preCell)
oTable.cells[i].style.backgroundColor = dragedTable_normalColor;
}
}
}
}
}function hideDiv()
{
if(dragedTable_movable)
{
var oTable = document.all(dragedTable_tableId);
var pos = new Array();
if(dragedTable_preCell != null)
{
for(var i=0; i<oTable.cells.length; i++)
{
pos = getPos(oTable.cells[i]);
//计算鼠标位置，是否在某个单元格的范围之内
if(event.x>pos[1]&&event.x<pos[1]+oTable.cells[i].offsetWidth
&& event.y>pos[0]&& event.y<pos[0]+oTable.cells[i].offsetHeight)
{
if(oTable.cells[i].tagName.toLowerCase() == "td")
{
//交换文本
dragedTable_preCell.innerHTML = oTable.cells[i].innerHTML;
oTable.cells[i].innerHTML = document.all(dragedTable_movedDiv).innerHTML;
//清除原单元格和目标单元格的样式
dragedTable_preCell.style.backgroundColor = dragedTable_normalColor;
oTable.cells[i].style.backgroundColor = dragedTable_normalColor;
oTable.cells[i].style.cursor = "";
dragedTable_preCell.style.cursor = "";
dragedTable_preCell.style.backgroundColor = dragedTable_normalColor;
}
}
}
}
dragedTable_movable = false;
//清除提示图层
document.all(dragedTable_movedDiv).style.display = "none";
}
}document.onmouseup = function()
{
hideDiv();
var oTable = document.all(dragedTable_tableId);
for(var i=0; i<oTable.cells.length; i++)
oTable.cells[i].style.backgroundColor = dragedTable_normalColor;
}document.onmousemove = function()
{
dragDiv();
}</script>
<script language="javascript">
function init()
{
//注册可拖拽表格
new DragedTable("tableId");
}
</script>以下代码加入<body>区域
<TABLE align="center" id="tableId" width="90%" border="1" cellpadding="0" cellspacing="1" bordercolor="#000000">
<TR>
<TH colspan="4" style="">拖动交换单元格内容</TH>
</TR>
<TR>
<TD>Java</TD>
<TD>Java One </TD>
<TD>JBuilder</TD>
<TD>Stuts</TD>
</TR>
<TR>
<TD>C++</TD>
<TD>Visual Studio</TD>
<TD>Office</TD>
<TD>Windows</TD>
</TR>
<TR>
<TD>PhotoShop</TD>
<TD>Java</TD>
<TD>Illustrator</TD>
<TD>PageMaker</TD>
</TR>
<TR>
<TD>Cartoon</TD>
<TD>Telephone</TD>
<TD>China</TD>
<TD>USA</TD>
</TR>
<TR>
<TD>Java</TD>
<TD>Java One </TD>
<TD>JBuilder</TD>
<TD>Stuts</TD>
</TR>
<TR>
<TD>C++</TD>
<TD>Visual Studio</TD>
<TD>Office</TD>
<TD>Windows</TD>
</TR>
<TR>
<TD>PhotoShop</TD>
<TD>Flash</TD>
<TD>Illustrator</TD>
<TD>PageMaker</TD>
</TR>
<TR>
<TD>Cartoon</TD>
<TD>Telephone</TD>
<TD>China</TD>
<TD>USA</TD>
</TR>
</TABLE>
1、在<body>中加上oncontextmenu="return false;" onload="init()"变为<body oncontextmenu="return false;" onload="init()">
2、在调用函数中function init()
{
//注册可拖拽表格
new DragedTable("tableId");
}tableId为要进行操作的表格ID
强！！！！！！