一段遞迴產生類似Windows資源管理員一樣效果的樹狀菜單的代碼

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<%
dim dbConn
dim IDIndex
IDIndex = 0
'建立資料庫連接
Set dbConn = Server.CreateObject("Adodb.Connection")
dbConn.Open "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" & Server.MapPath ("test.mdb")
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
''組建檔案類型樹的遞迴函式,傳入參數:NowItem為樹節點的ID ''
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Sub DoItem(NowItem)
dim rsTest
dim YoungerBrother '下一個兄弟節點的ID
dim OlderSon '第一個位元組點的ID
'建立記錄集
set rsTest = Server.CreateObject("Adodb.recordset")
'產生sql語句,操作Doc_TypeTree表
strSql = "select * from tab_test where ID = '" & NowItem & "'"
'產生記錄集
rsTest.open strSql,dbConn,1,3
if rsTest.eof then
rsTest.close
set recDosType = nothing
exit sub
end if
YoungerBrother = trim(rsTest("BrotherNode") & "")
OlderSon = trim(rsTest("SonNode") & "")
NodeID = trim(rsTest("ID") & "")
NodeName = trim(rsTest("NodeName") & "")
'顯示子節點
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