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类似 MSDN CSDN 左边导航树效果的实现! [JavaScript + ASP]
摘要: Tree,树,iFrame
MSDN 和CSDN 左边导航树的效果都是在点击父节点时,再发出请求填充其子节点!好像网页只刷新部分! JavaScript + [ASP + Access] 实现
源程序下载: http://www.triaton.com.cn/Private/Zip/Tree.zip
adoConnection.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.mappath("/dvbbs") & "\Tree.mdb;Persist Security Info=False"
dim adoRecordset
set adoRecordset = Server.CreateObject("ADODB.Recordset")
adoRecordset.Open "select *,(select count(*) from tree where parentid =T.id ) as Children from tree T where parentid = " & parentid ,adoConnection
response.write adoRecordset.source
dim i
Dim SHTML
dim parentnode
parentnode = request.querystring("Pnode")
dim j
j= len(parentnode) - len(replace(parentnode,"_",""))
dim nSpace
for i=0 to j - 1
nSpace = nSpace + " "
next
i=0
do until adoRecordset.eof
shtml = shtml _
& "
& " if adoRecordset.Fields.item("Children").value >0 then
shtml = shtml & " onClick='ExpandNode(" & parentnode & "_" & i + 1 & "," & adoRecordset.Fields.item("id").value & ")'>+"
else
shtml = shtml & ">-"
end if
shtml = shtml & "\n" & " if adoRecordset.Fields.item("Children").value >0 then
shtml = shtml & "onDblClick='ExpandNode(" & parentnode & "_" & i + 1 & "," & adoRecordset.Fields.item("id").value & ")'"
end if
shtml = shtml & ">" & adoRecordset.Fields.item("id").value & ": " & adoRecordset.Fields.item("remark").value & "
if adoRecordset.Fields.item("Children").value >0 then
shtml = shtml & ""
end if
i=i+1
adoRecordset.MoveNext
loop
adoRecordset.close
set adoRecordset = nothing
adoConnection.close
set adoConnection = nothing
'response.write shtml
%>
<script>
var x = eval('parent.' + '<% =request.querystring("Pnode") & "_0"%>' ) ;
x.innerHTML="<% =shtml %>";
</script>
</body>