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Discuz 公告效果（自动换行，无间隙滚动）

时间：2021-07-01 10:21:17 帮助过：1人阅读

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"> 
<HTML xmlns="http://www.w3.org/1999/xhtml"> 
<HEAD> 
<TITLE></TITLE> 
<META http-equiv=Content-Type content="text/html; charset=gbk"> 
<style type="text/css"> 
ul { 
    padding-right: 0px; 
    padding-left: 0px; 
    padding-bottom: 0px; 
    margin: 0px; 
    padding-top: 0px 
} 
#announcement { 
    width:100%; 
    background:url(img/menu_bg.gif) repeat; 
    overflow: hidden; 
} 
#announcement div { 
    border: #e6e6e6 1px solid; 
    padding:0px 10px 0px 10px; 
    overflow-y:hidden; 
    line-height: 24px; 
    height: 24px 
} 
#announcement li { 
    font-size: 12px; 
    float: left; 
    list-style-type: none; 
    margin-right: 20px; 
    padding-left: 10px; 
    background: url(img/arrow_right.gif) no-repeat 0px 50%; 
    white-space: nowrap 
} 
#announcement a { 
    text-decoration: none; 
} 
#announcement a:hover { 
    text-decoration:underline; 
} 
</style> 
</HEAD> 
<BODY> 
 
 
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</UL> 
 
 
<script type="text/javascript"> 
function $(id) 
{ 
return document.getElementById(id); 
} 
var anndelay = 3000; 
var anncount = 0; 
var annheight = 24; 
var annst = 0; 
function announcementScroll() 
{ 
if( ! annst) 
{ 
$('announcementbody').innerHTML += '<br style="clear: both" />' + $('announcementbody').innerHTML; 
$('announcementbody').scrollTop = 0; 
if($('announcementbody').scrollHeight > annheight * 3) 
{ 
annst = setTimeout('announcementScroll()', anndelay); 
} 
else 
{ 
$('announcement').onmouseover = $('announcement').onmouseout = null; 
} 
return; 
} 
if(anncount == annheight) 
{ 
if($('announcementbody').scrollHeight - annheight <= $('announcementbody').scrollTop) 
{ 
$('announcementbody').scrollTop = $('announcementbody').scrollHeight / 2 - annheight; 
} 
anncount = 0; 
annst = setTimeout('announcementScroll()', anndelay); 
} 
else 
{ 
$('announcementbody').scrollTop ++ ; 
anncount ++ ; 
annst = setTimeout('announcementScroll()', 10); 
} 
} 
announcementScroll(); 
</script> 
</BODY> 
</HTML>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

Discuz 公告效果（自动换行，无间隙滚动）

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