谁知道CSDN中的帖子用鼠标双击后自动滚屏是如何实现的？？？？？

<script language"javascript">
var currentpos,timer;
function initialize()
{
timer=setInterval("scrollwindow()",10);
}
function sc(){
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos != document.body.scrollTop)
sc();
}
document.onmousedown=sc 
document.ondblclick=initialize
</script> 
把上面的代码加入到<body></body>中，好了试试吧

解决方案 »

  1.   

    你看看,是不是这样:
    <?xml version="1.0" encoding="GB2312"?>
    <?xml-stylesheet type='text/xsl' href='/expert/Xsl/2.xsl'?>
    <Topic>
    <Issue>
    <PostUserNickName>随心所欲</PostUserNickName>
    <rank>一星(中级)</rank>
    <ranknum>star1</ranknum>
    <credit>        97</credit>
    <TopicId>1078268</TopicId>
    <TopicName>谁知道CSDN中的帖子用鼠标双击后自动滚屏是如何实现的？？？？？</TopicName>
    <PostUserId>150164</PostUserId>
    <PostUserName>water_j</PostUserName>
    <RoomName>Visual Basic</RoomName>
    <ReplyNum>4</ReplyNum>
    <PostDateTime>2002-10-08 12:21:18</PostDateTime>
    <Point>80</Point>
    <ReadNum>0</ReadNum>
    <RoomId>2</RoomId>
    <EndState>0</EndState>
    <Content>11</Content>
    </Issue>
    <Replys>
    <Reply>
    <PostUserNickName>黑披风</PostUserNickName>
    <rank>二级(初级)</rank>
    <ranknum>user2</ranknum>
    <credit>100</credit>
    <ReplyID>6976113</ReplyID>
    <TopicID>1078268</TopicID>
    <PostUserId>264580</PostUserId>
    <PostUserName>heipifeng</PostUserName>
    <Point>0</Point>
    <Content>&lt;script language"javascript"&gt;
    var currentpos,timer;
    function initialize()
    {
    timer=setInterval("scrollwindow()",10);
    }
    function sc(){
    clearInterval(timer);
    }
    function scrollwindow()
    {
    currentpos=document.body.scrollTop;
    window.scroll(0,++currentpos);
    if (currentpos != document.body.scrollTop)
    sc();
    }
    document.onmousedown=sc 
    document.ondblclick=initialize
    &lt;/script&gt; 
    把上面的代码加入到&lt;body&gt;&lt;/body&gt;中，好了试试吧</Content>
    <PostDateTime>2002-10-08 12:34:00</PostDateTime>
    </Reply><Reply>
    <PostUserNickName>随心所欲</PostUserNickName>
    <rank>一星(中级)</rank>
    <ranknum>star1</ranknum>
    <credit>97</credit>
    <ReplyID>6978061</ReplyID>
    <TopicID>1078268</TopicID>
    <PostUserId>150164</PostUserId>
    <PostUserName>water_j</PostUserName>
    <Point>0</Point>
    <Content>滚屏的快慢由哪个参数决定</Content>
    <PostDateTime>2002-10-08 14:07:00</PostDateTime>
    </Reply><Reply>
    <PostUserNickName></PostUserNickName>
    <rank>三级(初级)</rank>
    <ranknum>user3</ranknum>
    <credit>100</credit>
    <ReplyID>6978415</ReplyID>
    <TopicID>1078268</TopicID>
    <PostUserId>97410</PostUserId>
    <PostUserName>ityaa</PostUserName>
    <Point>0</Point>
    <Content>上面的10来确定</Content>
    <PostDateTime>2002-10-08 14:23:00</PostDateTime>
    </Reply><Reply>
    <PostUserNickName>随心所欲</PostUserNickName>
    <rank>一星(中级)</rank>
    <ranknum>star1</ranknum>
    <credit>97</credit>
    <ReplyID>6983230</ReplyID>
    <TopicID>1078268</TopicID>
    <PostUserId>150164</PostUserId>
    <PostUserName>water_j</PostUserName>
    <Point>0</Point>
    <Content>10表示什么？？？具体一点！</Content>
    <PostDateTime>2002-10-08 18:23:00</PostDateTime>
    </Reply></Replys>
    </Topic>