使用asp实现网站的目录树
数据库结构（共使用了两个表）
1。tblcategory
字段名 类型
root binary 说明树关或开（目录的根）
id 自动编号 关键字
sort integer 识别该字段内容的整数（如果root是开状态sort为0）表示显示的目录的顺序
name text（255）可以包含html中的标识符
href text(255) 允许空
2。tblpages
id 自动编号
sort integer 关键字
name text（255）
href text（255）
3.default.htm
<html>
<head>
<title>javascript tree control template</title>
</head>
<frameset cols=""210,*"">
?<frame src=""tree.asp"" name=""toc"">
?<frame src=""main.htm"" name=""basefrm"">
</frameset>
</html>
4.main.htm
<head><title></title></head>
<body>
<h2>start page</h2>
</body>
</html>
5.tree.asp
set conn = server.createobject(""adodb.connection"")
set rs = server.createobject(""adodb.recordset"")
conn.open ""driver=microsoft access driver (*.mdb);dbq="" & server.mappath(""toc.mdb"")
strsql = ""select tblcategory.root, tblcategory.[id], tblcategory.sort as catsort, tblpages.sort as linksort, tblcategory.[name] as catname, tblcategory.href as caturl, tblpages.[name] as linkname, tblpages.href as linkurl from tblcategory left join tblpages on tblcategory.[id] = tblpages.[id] order by tblcategory.root asc, tblcategory.sort, tblpages.sort""
rs.open strsql, conn, 2, 2
if not rs.eof then rs.movefirst
currentid = """" %>
<html>
<head>
<link rel=""stylesheet"" href=""ftie4style.css"">
<!-- infrastructure code for the tree -->
<script src=""ftiens4.js""></script>
<!-- execution of the code that actually builds the specific tree -->
<script>
usetextlinks = 1
<%
do while not rs.eof
if rs(""root"") = true then %>
folderstree = gfld(""<%= rs(""catname"") %>"", ""<%= rs(""caturl"") %>"")
<% else %>
aux1 = insfld(folderstree, gfld(""<%= rs(""catname"") %>"", ""<%= rs(""caturl"") %>""))
<% currentid = rs(""id"")
savedid = rs(""id"")
do while currentid = savedid and not rs.eof
if rs(""linkname"") <> """" then %>
insdoc(aux1, glnk(0, ""<%= rs(""linkname"") %>"", ""<%= rs(""linkurl"") %>""))
<%
end if
rs.movenext
if not rs.eof then currentid = rs(""id"")
loop
end if
if currentid = """" then rs.movenext
loop %>
</script>
<script>
initializedocument()
</script>
<base target=""basefrm"">
<title></title>
</head>
<body bgcolor=""white"">
</body>
</html>
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