下载地址：http://www.knowsky.com/download/treemenu.rar
（本文来源于图老师网站，更多请访问http://m.tulaoshi.com/asp/）关键代码：
（本文来源于图老师网站，更多请访问http://m.tulaoshi.com/asp/）<%
set conn=server.createobject("ADODB.CONNECTION")
connstr="DBQ="+server.mappath("db1.mdb")+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};"
conn.open connstr
function menu(id)
set rs=server.CreateObject("adodb.recordset")
sql="select * from menu where id1="&id&" order by url,id"
rs.open sql,conn,1,1
if rs.recordcount=0 then
rs.close
set rs=nothing
exit function
end if
response.write("<table border='0' cellspacing='0' cellpadding='0'")
i=1
while not rs.eof
if len(rs("url"))0 then
if i=rs.recordcount then
menutype="file1"
else
menutype="file"
end if
menuname="<a href='"&rs("url")&"' target='_blank'"&rs("menuname")&"</a"
onmouseup=""
else
if i=rs.recordcount then
menutype="menu3"
listtype="list1"
onmouseup="with(eval('id"&rs("id")&"'))if(style.display==''){style.display='none';this.className='menu3';}else{style.display='';this.className='menu4';}"
else
menutype="menu1"
listtype="list"
onmouseup="with(eval('id"&rs("id")&"'))if(style.display==''){style.display='none';this.className='menu1';}else{style.display='';this.className='menu2';}"
end if
menuname=rs("menuname")
end if
%
<tr
<td class="<%= menutype%" onMouseUp="<%= onmouseup%"<%= menuname%</td
</tr
<%if len(rs("url"))<3 then%
<tr id="id<%= rs("id")%" style="display:none"
<td class="<%= listtype%"<%menu(rs("id"))%</td
</tr
<%
end if
rs.movenext
i=i+1
wend
response.write("</table")
rs.close
set rs=nothing
end function
%
<html
<head
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"
<title=========无限级目录树=========http://www.knowsky.com</title
<style type="text/css"
<!--
.menu1 {
background-image: url(folder1.gif);
background-repeat: no-repeat;
height: 17px;
left: 32px;
padding-left: 32px;
cursor: hand;
}
.menu2 {
background-image: url(folder2.gif);
background-repeat: no-repeat;
height: 17px;
left: 32px;
padding-left: 32px;
cursor: hand;
}
.menu3 {
background-image: url(folder3.gif);
background-repeat: no-repeat;
height: 17px;
left: 32px;
padding-left: 32px;
cursor: hand;
}
.menu4 {
background-image: url(folder4.gif);
background-repeat: no-repeat;
height: 17px;
left: 32px;
padding-left: 32px;
cursor: hand;
}
.list {
padding-left: 20px;
background-image: url(list.gif);
background-repeat: repeat-y;
}
.list1 {
padding-left: 20px;
}
.file {
background-image: url(file.gif);
background-repeat: no-repeat;
height: 16px;
cursor: hand;
padding-left: 32px;
}
.file1 {
background-image: url(file1.gif);
background-repeat: no-repeat;
height: 16px;
cursor: hand;
padding-left: 32px;
}
body {
font-size: 9pt;
color: #000000;
background-color: #FFFFFF;
}
a:link {
font-size: 9pt;
color: #000000;
text-decoration: none;
}
a:visited {
font-size: 9pt;
color: #000000;
text-decoration: none;
}
a:hover {
font-size: 9pt;
color: #0000FF;
text-decoration: none;
position: relative;
right: 1px;
bottom: 1px;
}
a:active {
font-size: 9pt;
