那种拉动滚动条，表格的内容下移而标题不动的效果怎么实现的？

解决方案 »

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用内框架把要滚动的内容框起来。---index.htm---
<table>
  <tr>
    <td>标题1</td><td>标题2</td>
  </tr>
  <tr>
    <td colspan=2><iframe src="内容.htm"></td>
  </tr>
</table>--内容.htm--
<table>
  <tr>
    <td>列1</td><td>列2</td>
  </tr>
  <tr>
    <td>列1</td><td>列2</td>
  </tr>
</table>
或者用此贴与下贴合起来用：
--floater.js--
self.onError=null;
currentX = currentY = 0;
whichIt = null;
lastScrollX =0; lastScrollY =0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;

function heartBeat() {
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
    if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
if(diffY != lastScrollY) {
                percent = .1 * (diffY - lastScrollY);
                if(percent > 0) percent = Math.ceil(percent);
                else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelTop += percent;
if(NS) document.floater.top += percent;
                lastScrollY = lastScrollY + percent;
    }
if(diffX != lastScrollX) {
percent = .1 * (diffX - lastScrollX);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelLeft += percent;
if(NS) document.floater.left += percent;
lastScrollX = lastScrollX + percent;
}
}


function checkFocus(x,y) {
        stalkerx = document.floater.pageX;
        stalkery = document.floater.pageY;
        stalkerwidth = document.floater.clip.width;
        stalkerheight = document.floater.clip.height;
        if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
        else return false;
}
function grabIt(e) {
if(IE) {
whichIt = event.srcElement;
while (whichIt.id.indexOf("floater") == -1) {
whichIt = whichIt.parentElement;
if (whichIt == null) { return true; }
    }
whichIt.style.pixelLeft = whichIt.offsetLeft;
    whichIt.style.pixelTop = whichIt.offsetTop;
currentX = (event.clientX + document.body.scrollLeft);
    currentY = (event.clientY + document.body.scrollTop);
} else {
        window.captureEvents(Event.MOUSEMOVE);
        if(checkFocus (e.pageX,e.pageY)) {
                whichIt = document.floater;
                StalkerTouchedX = e.pageX-document.floater.pageX;
                StalkerTouchedY = e.pageY-document.floater.pageY;
        }
}
    return true;
}
function moveIt(e) {
if (whichIt == null) { return false; }
if(IE) {
    newX = (event.clientX + document.body.scrollLeft);
    newY = (event.clientY + document.body.scrollTop);
    distanceX = (newX - currentX);    distanceY = (newY - currentY);
    currentX = newX;    currentY = newY;
    whichIt.style.pixelLeft += distanceX;
    whichIt.style.pixelTop += distanceY;
if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
event.returnValue = false;
} else {
whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
        if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
        if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
        if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
        if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
        return false;
}
    return false;
}
function dropIt() {
whichIt = null;
    if(NS) window.releaseEvents (Event.MOUSEMOVE);
    return true;
}

if(NS) {
window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
window.onmousedown = grabIt;
window.onmousemove = moveIt;
window.onmouseup = dropIt;
}
if(IE) {
document.onmousedown = grabIt;
document.onmousemove = moveIt;
document.onmouseup = dropIt;
}
if(NS || IE) action = window.setInterval("heartBeat()",1);
此贴与上贴合起来用
--test.asp--
<div id=floater style="position: absolute;WIDTH: 100%;top=5;Z-INDEX:100">
<table border="1" width="100%" bordercolordark="#FFFFFF" cellspacing="0" bgcolor="#C5F3CF">
<tr bgcolor="#EAEAEA" height="22">
<td width="70%" align="right">
<div>
<table border="0" width="100%" style="font-size: 9pt" cellspacing="0">
<tr>
<td width="12%" style="border-left: 1px outset #FF0000" align="center" height="20">
<div><a href="/">返回首頁</a></div>
</td>
<td width="12%" style="border-left: 1px outset #FF0000" align="center" height="20">
<div><a href="./">返回主頁</a></div>
</td>
<td width="12%" style="border-left: 1px outset #FF0000" align="center" height="20">
<div><a href="M_Trana.asp">我要送貨</a></div>
</td>
<td width="28%" style="border-left: 1px outset #FF0000" align="center" height="20">
<div><font color="#006699"><b><% =WebName %></b></font></div>
</td>
<td width="37%" style="border-left: 1px outset #FF0000" align="center" height="20">
<div><font color="#800080">更新時間：</font><font color="#006699"><% =FormatDateTime(Now,2) & " " & FormatDateTime(Now,4) %></font></div>
</td>
</tr>
</table>
</div>
</td>
<td width="20%" align="right">
<div>
<table border="0" width="100%" style="font-size: 9pt">
<tr>
<td width="20%" align="center" style="BORDER-LEFT: #FF0000 1px outset">
<div>
<%
If nPageNo>1 Then
strHref=Request.ServerVariables("Script_Name") & "?PageNo=1" & aHref1
Response.Write "<a href=" & strHref & ">頭頁</a>"
Else
Response.Write "<font color=#c0c0c0>頭頁</font>"
End If
%>
</div>
</td>
<td width="20%" align="center" style="BORDER-LEFT: #FF0000 1px outset">
<div>
<%
If nPageNo>1 Then
strHref=Request.ServerVariables("Script_Name") & "?PageNo=" & nPageNo-1 & aHref1
Response.Write "<a href=" & strHref & ">上頁</a>"
Else
Response.Write "<font color=#c0c0c0>上頁</font>"
End If
%>
</div>
</td>
<td width="20%" align="center" style="BORDER-LEFT: #FF0000 1px outset">
<div>
<%
If nPageNo<adoTranRst.PageCount Then
strHref=Request.ServerVariables("Script_Name") & "?PageNo=" & nPageNo+1 & aHref1
Response.Write "<a href=" & strHref & ">下頁</a>"
Else
Response.Write "<font color=#c0c0c0>下頁</font>"
End If
%>
</div>
</td>
<td width="20%" align="center" style="BORDER-LEFT: #FF0000 1px outset; BORDER-RIGHT: #FF0000 1px outset">
<div>
<%
If nPageNo<adoTranRst.PageCount Then
strHref=Request.ServerVariables("Script_Name") & "?PageNo=" & adoTranRst.PageCount & aHref1
Response.Write "<a href=" & strHref & ">尾頁</a>"
Else
Response.Write "<font color=#c0c0c0>尾頁</font>"
End If
%>
</div>
</td>
</tr>
</table>
</div>
</td>
<td width="15%" align="center">
<div><font color="#0066CC">頁次：<% =nPageNo %>/<% =adoTranRst.PageCount %></font></div>
</td>
</tr>
</table>
</div>
<script language="javascript" src="scripts/floater.js"></script>