用ASP实现网站的“目录树”管理

　　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$#@62;
〈head$#@62;
〈title$#@62;JavaScript/" target="_blank">JavaScript Tree Control Template〈/title$#@62;
〈/head$#@62;
〈frameset cols="210,*"$#@62;
?〈frame src="tree.asp" name="TOC"$#@62;
?〈frame src="main.htm" name="basefrm"$#@62;
〈/frameset$#@62;
〈/html$#@62;

4.main.htm
〈head$#@62;〈title$#@62;〈/title$#@62;〈/head$#@62;
〈body$#@62;
〈h2$#@62;Start Page〈/h2$#@62;
〈/body$#@62;
〈/html$#@62;

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 = "" %$#@62;
〈html$#@62;
〈head$#@62;
〈link rel="stylesheet" href="ftie4style.css"$#@62;
〈!-- Infrastructure code for the tree --$#@62;
〈script src="ftiens4.js"$#@62;〈/script$#@62;
〈!-- Execution of the code that actually builds the specific tree --$#@62;
〈script$#@62;
USETEXTLINKS = 1
〈%
D hile Not Rs.EOF
If Rs("Root") = True Then %$#@62;
foldersTree = gFld("〈%= Rs("CatName") %$#@62;", "〈%= Rs("CatURL") %$#@62;")
〈% Else %$#@62;
aux1 = insFld(foldersTree, gFld("〈%= Rs("CatName") %$#@62;", "〈%= Rs("CatURL") %$#@62;"))
〈% currentID = Rs("ID")
savedID = Rs("ID")
Do While currentID = savedID and not rs.eof
if Rs("LinkName") 〈$#@62; "" Then %$#@62;
insDoc(aux1, gLnk(0, "〈%= Rs("LinkName") %$#@62;", "〈%= Rs("LinkURL") %$#@62;"))
〈%
end if
Rs.MoveNext
if not rs.eof then currentID = Rs("ID")
Loop
End If
if currentID = "" then rs.movenext
Loop %$#@62;
〈/script$#@62;
〈script$#@62;
initializeDocument()
〈/script$#@62;
〈base target="basefrm"$#@62;
〈title$#@62;〈/title$#@62;
〈/head$#@62;
〈body bgcolor="white"$#@62;
〈/body$#@62;
〈/html$#@62;