levellist.asp

很把错的图书管理系统——是学校教学的很好的范例

<%@ Language=VBScript %>
<% 
dim conn
set conn = server.CreateObject("adodb.connection")
conn.Open application("dsn")

dim i_tab
i_tab = 0

sub recursion(id,m_title,m_type_id)
	dim rs
	Response.Write chr(10) 
	for i = 1 to i_tab
		Response.Write "  "
	next
	Response.Write "<dir title=""" & m_title & """ id=""" & m_type_id & """>"
	sql = "select id,title,type_id from bookwarelist where parent = '" & m_title & "'"
	
	flag = 0
	set rs = server.CreateObject("adodb.recordset")
	rs.Open sql,conn
	if not rs.EOF then
		flag = 1
		i_tab = i_tab + 1
	end if
	while not rs.eof
		id0 = rs("id")
		title0 = rs("title")
		type_id0 = rs("type_id")
		call recursion(id0,title0,type_id0)
		rs.movenext
	wend
	rs.close
	set rs = nothing
	if flag = 1 then
		i_tab = i_tab - 1
		Response.Write chr(10)
		for i = 1 to i_tab
			Response.Write "  "
		next
	end if
	Response.Write "</dir>"
end sub 

	sql1 = "select id,title,type_id from bookwarelist where parent = '广信书库'"
	
	set rs1 = server.CreateObject("adodb.recordset")
	rs1.Open sql1,conn
	while not rs1.eof
		id1 = rs1("id")
		title1 = rs1("title")
		type_id1 = rs1("type_id")
		i_tab = i_tab + 1
		call recursion(id1,title1,type_id1)
		i_tab = i_tab - 1
		rs1.movenext
	wend
%>