日期:2014-04-12  浏览次数:20702 次

  利用ACCESS创建数据库listBase.mdb:

  数据表:listTable
  数据字段:listId    listName    listInfo    parentId

  连接方法:

<%
    dim sConn,sConnStr,sSql
    sConnStr="DRIVER={Microsoft Access Driver (*.mdb)};dbq=" & server.mappath("listBase.mdb")
    set sConn=server.createobject("adodb.connection")
    sConn.open sConnStr
%>

  把以上代码保存成文件:initialize.ASP

  下面这段程序代码是用来显示目录树用的,保存成文件:inc.ASP

<!--#include file="initialize.ASP"-->
<script language=jscript>
<!--
//此函数用来显示与关闭它的子菜单的,并切换其前面的小图片
function showMenu(menuObj,isSub){
if(menuObj.style.display=="none"){
menuObj.style.display="";
if(isSub==1){
event.srcElement.src="images/open.gif";
}
}
else{
menuObj.style.display="none";
if(isSub==1){
event.srcElement.src="images/close.gif";
}
}
}
//-->
</script>
<!--下面这段蓝色的区域,是设置目录树的根,其中的内容非数据内的数据,数据库内的数据都附着在它的下面//-->
<%
response.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'>" & chr(13))
response.write("<tr>" & chr(13)&"<td>" & chr(13) & "<table width='100%' border='0' cellspacing='0' cellpadding='0'>")
response.write("<tr>" & chr(13) & "<td width='18' ><img src='../../images/root.gif' onclick='jscript:showMenu(subMenu0,0)' style='cursor:hand' alt='不可修改'></td>" & chr(13) & "<td width='100' class='menuPro' id='listName0'>根节点</td>" & chr(13))
response.write("<td width='40' class='menuFont' align='center' style='cursor:hand' onclick=""jscript:showForm('add',0)"">添加</td>" & chr(13))
response.write("<td width='40' class='menuFont' align='center' onclick=''></td>" & chr(13))
response.write("<td>&nbsp;</td></tr></table></td></tr>" & chr(13))
response.write("<tr id='subMenu0'>" & chr(13) & "<td colspan='2'>" & chr(13))
'此处调用显示目录树的递归函数
listChild(0)
response.write("</td>" & chr(13) & "</tr>" & chr(13) & "</table>" & chr(13))


'下面代码为显示目录树最关键的函数,使用了递归方法(很多象这样类型的都是用递归来做的。)
function listChild(id)
dim sRec,sSql,sNum,sTmp
set sRec=server.createobject("adodb.recordset")
sSql="select listId,listName,listInfo,parentId from listTable where parentId=" & id
sRec.open sSql,sConn,3,1
if not sRec.eof then
sNum=1
response.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'>" & chr(13))
while not sRec.eof
sTmp=sConn.execute("select count(listId) as countSub from listTable where parentId=" & sRec("listId"))
if sTmp("countSub")>0 then
response.write("<tr>" & chr(13))
if sNum=sRec.recordcount then
response.write("<td width='18' valign='top'><img src='images/angel.gif'></td>" & chr(13))
else
response.write("<td width='18' background='images/eline.gif' valign='top'><img src='../../images/t.gif' ></td>" & chr(13))
end if
response.write("<td>" & chr(13) & "<table width='100%' border='0' cellspacing='0' cellpadding='0'>" & chr(13))
response.write("<tr>" & chr(13) & "<td width='118' class='menuPro' id='listName"