如何实现单元格大小的拖动

afdfgg 2004-11-22 10:50:19

想做一个类似office里面的工具栏，当鼠标移到两个单元格之间时，出现可以拖动的标志，通过拖动可以改变单元格的宽度。

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JK_10000 2004-11-22

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<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>JK:支持民族工业,尽量少买X货</title>
<style>
.resizeDivClass
{
position:relative;
background-color:red;
width:2;
z-index:1;
left:expression(this.parentElement.offsetWidth-1);
cursor:e-resize;

}
</style>

<script language=javascript>

function MouseDownToResize(obj){
obj.mouseDownX=event.clientX;
obj.pareneTdW=obj.parentElement.offsetWidth;
obj.pareneTableW=theObjTable.offsetWidth;
obj.setCapture();
}
function MouseMoveToResize(obj){
if(!obj.mouseDownX) return false;
var newWidth=obj.pareneTdW*1+event.clientX*1-obj.mouseDownX;
if(newWidth>0)
{
obj.parentElement.style.width = newWidth;
theObjTable.style.width=obj.pareneTableW*1+event.clientX*1-obj.mouseDownX;
}
}
function MouseUpToResize(obj){
obj.releaseCapture();
obj.mouseDownX=0;
}

</script>
</head>

<body>

改变table的列宽度
<table id=theObjTable STYLE="table-layout:fixed" >
<tr bgcolor=cccccc >
<td valign=top >
<font class="resizeDivClass" onmousedown="MouseDownToResize(this);" onmousemove="MouseMoveToResize(this);" onmouseup="MouseUpToResize(this);"></font>
aaa</td>
<td valign=top >
<font class="resizeDivClass" onmousedown="MouseDownToResize(this);" onmousemove="MouseMoveToResize(this);" onmouseup="MouseUpToResize(this);"></font>
ddd</td>
<td valign=top >
<font class="resizeDivClass" onmousedown="MouseDownToResize(this);" onmousemove="MouseMoveToResize(this);" onmouseup="MouseUpToResize(this);"></font>
ddd</td>
</tr>

<tr>
<td>aaaa fdsa fda fdsa fdsa fdsa fdsa fdsa fda fdsa fdsafdsa fdsa fdsa a</td><td>bbbb</td><td>dddd</td>
</tr>
</table>
</body>

</html>