转载自：http://blog.csdn.net/wang4978/article/details/6721157
<html>
<head>
<title>拖动行测试</title>
<script type="text/javascript">
var beginMoving = false;
function MouseDownToMove(obj) {
obj.style.zIndex = 1;
obj.mouseDownY = event.clientY;
obj.mouseDownX = event.clientX;
beginMoving = true;
obj.setCapture();
}
function MouseMoveToMove(obj) {
if (!beginMoving) return false;
obj.style.top = (event.clientY - obj.mouseDownY);
obj.style.left = (event.clientX - obj.mouseDownX);
}
function MouseUpToMove(obj) {
if (!beginMoving) return false;
obj.releaseCapture();
obj.style.top = 0;
obj.style.left = 0;
obj.style.zIndex = 0;
beginMoving = false;
var tempTop = event.clientY - obj.mouseDownY;
var tempRowIndex = (tempTop - tempTop % 25) / 25;
if (tempRowIndex + obj.rowIndex < 0) tempRowIndex = -1;
else tempRowIndex = tempRowIndex + obj.rowIndex;
if (tempRowIndex >= obj.parentElement.rows.length - 1) tempRowIndex = obj.parentElement.rows.length - 1;
obj.parentElement.moveRow(obj.rowIndex, tempRowIndex);
}
</script>
</head>
<body>
<table id="filelistTab" cellspacing="0" cellpadding="2" border=1>
<tr>
<td class="gridtitle" style="WIDTH: 40px">列一</td>
<td class="gridtitle" style="WIDTH: 100px">列二</td>
<td class="gridtitle" style="WIDTH: 110px">列三</td>
</tr>
<tr id="1" title="拖动行可以进行排序" style="cursor:move ;position:relative;" onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'>
<td class="gridtitle"><input class="text" id="group1" style="WIDTH: 30px" type="text" readonly value="1" /></td>
<td class="gridtitle">
11111111111111111111
</td>
<td class="gridtitle"><input class="text" id="fn1" readOnly type="text" style="100px" value="11111111111111111111" /></td>
</tr>
<tr id="2" title="拖动行可以进行排序" style="cursor:move ;position:relative;" onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'>
<td class="gridtitle"><input class="text" id="group2" style="WIDTH: 30px" type="text" readonly value="2" /></td>
<td class="gridtitle">
222222222222222222222
</td>
<td class="gridtitle"><input class="text" id="fn2" readOnly type="text" style="100px" value="22222222222222222222222" /></td>
</tr>
<tr id="3" title="拖动行可以进行排序" style="cursor:move ;position:relative;" onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'>
<td class="gridtitle"><input class="text" id="group3" style="WIDTH: 30px" type="text" readonly value="3" /></td>
<td class="gridtitle">
3333333333333333333333
</td>
<td class="gridtitle"><input class="text" id="fn3" readOnly type="text" style="100px" value="333333333333333" /></td>
</tr>
<tr id="4" title="拖动行可以进行排序" style="cursor:move ;position:relative;" onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'>
<td class="gridtitle"><input class="text" id="group4" style="WIDTH: 30px" type="text" readonly value="4" /></td>
<td class="gridtitle">
444444444444444444444
</td>
<td class="gridtitle"><input class="text" id="fn4" readOnly type="text" style="100px" value="4444444444444444444444444444" /></td>
</tr>
<tr id="5" title="拖动行可以进行排序" style="cursor:move ;position:relative;" onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'>
<td class="gridtitle"><input class="text" id="group5" style="WIDTH: 30px" type="text" readonly value="5" /></td>
<td class="gridtitle">
55555555555555555555555
</td>
<td class="gridtitle"><input class="text" id="fn5" readOnly type="text" style="100px" value="555555555555555555555" /></td>
</tr>
<tr id="6" title="拖动行可以进行排序" style="cursor:move ;position:relative;" onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'>
<td class="gridtitle"><input class="text" id="group6" style="WIDTH: 30px" type="text" readonly value="6" /></td>
<td class="gridtitle">
6666666666666666666666666
</td>
<td class="gridtitle"><input class="text" id="fn6" readOnly type="text" style="100px" value="666666666666666666666" /></td>
</tr>
</table>
</body>
</html>