无级分类,相对支持20级. 1.自定义排序. 2.未采用递归,用最少的资源,实现所有类的显示. 3.精心设计的库. 4.代码注释清晰. 5.其他.. http://mofei.jiangle.gov.cn/38/2005919212135.html http://mofei.jiangle.gov.cn/my/ty/
<% '无级分类示例 '制作:默飞 'QQ:33224360 'EMAIL:[email protected] 'http://mofei.xinxiu.com '2005-9-19 mofeidb="db1.mdb" Set mofeiconn = Server.CreateObject("ADODB.Connection") mofeiconnstr="DBQ="+server.mappath(mofeidb)+";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};" On Error Resume Next mofeiconn.open mofeiconnstr If Err Then err.Clear Set mofeiconn = Nothing Response.Write "数据库连接出错,请检查连接字串。" Response.End End If action=request.querystring("action") if action="tyadd" then '所有父级,级别,类型 name=request.form("name")'名称, pareid=request.form("pareid") orders=request.form("orders") if pareid<>0 then retylist1="select * from ty where id="&pareid set retylist01=mofeiconn.execute(retylist1) depth=retylist01("depth")+1 parestr=retylist01("parestr") rootid=retylist01("rootid") retylist01=close:set retylist01=nothing else depth=0 parestr="0" set maxrootid=mofeiconn.execute("select max(rootid) from ty") rootid=maxrootid(0)+1 maxrootid.close:set maxrootid=nothing if isnull(rootid) then rootid=1 end if set rs=server.createobject("adodb.recordset") rs.open "ty",mofeiconn,1,3 rs.addnew rs("name")=name rs("pareid")=pareid rs("depth")=depth rs("orders")=orders rs("rootid")=rootid rs("child")=0 rs.update rs("parestr")=rs("id")&","&parestr '所有父级 rs.update rs.close mofeiconn.execute("update ty set child=child+1 where id="&pareid) '若栏目增加子栏目,则+1 response.redirect "index.asp" end if taadd01="" taadd01=taadd01+"<b><font color=red>[无级分类示范]</font></b>制作:默飞 QQ:33224360 更多下载:<a href=http://mofei.xinxiu.com>http://mofei.xinxiu.com</a>" taadd01=taadd01+"<form method=post name=mofeiform action='?action=tyadd'>" taadd01=taadd01+"名称:<input name=name type=text> 顺序:<input name=orders type=text size=6>" taadd01=taadd01+"<select name=pareid>" '栏目列表,列出属于 set tylist01=mofeiconn.execute("select * from ty") do while not tylist01.eof taadd01=taadd01+"<option value='"&tylist01("id")&"'>"&tylist01("name")&"</option>" tylist01.movenext loop tylist01.close set tylist01=nothing taadd01=taadd01+"<option value='0'>根目录</option>" taadd01=taadd01+"</select>" taadd01=taadd01+"<input type=submit name=submit01 value='增加' disabled> 由于是演示,增加按钮被我屏蔽了." taadd01=taadd01+"</form>" response.write taadd01 response.write "<table width=100% border=0 align=center cellpadding=2 cellspacing=0>" sqllist="select id,name,pareid,depth,child from ty order by rootid,orders" '栏目ID-0,名称-1,父级-2,级别-3,子集-4 set rslist = mofeiconn.execute(sqllist) SQL=rslist.getrows(-1) For iii=0 To Ubound(SQL,2) '根据父级来循环 response.write "<tr height=28><td>" if SQL(3,iii)>0 then '若不是根目录,输出空格,级别后,加空格 for i=1 to SQL(3,iii) Response.Write " " '级别>0后,加空格 next end if if SQL(4,iii)>0 then '若存在子集,换图标了 Response.Write " + " '明显,存在着子集的, else Response.Write " - " '输出不存在子集的 end if if SQL(2,iii)=0 then '如果是根目录的话 Response.Write "<b>" '如果是大类,就用粗体显示了 end if Response.Write SQL(1,iii) '这个自然是名称了 if SQL(4,iii)>0 then '若有子集的话,输出了. Response.Write "(" Response.Write SQL(4,iii) '输出还有多少子集了 Response.Write ")" end if response.write "</td></tr>" Next response.write "</table>" response.write "<br><br><br><br><br><br><br><br>" response.write "<script src='http://s5.cnzz.com/stat.php?id=730&web_id=6447' language='JavaScript' charset='gb2312'></script>" %>