日期:2011-06-05  浏览次数:21065 次

index.asp
程序代码:
<html>
<head>
<title></title>
<meta content="text/html; charset=gb2312" http-equiv="content-type">
<style type="text/css"><!--
  FONT{font-size:12px}
  TD{font-size:12px}
  A{color:#333399}
  A:hover{color:#FF6600}
--></style>
<script language="JavaScript" type="text/JavaScript"><!--
function funOnload(){
  document.all.list_file.src="jscript_city.asp?base=0&sele=0-&elem=Select01";
}

//pBase级数,以0基,
//pSele是<option 的value值
//pEle是下一级的表单名字
function chgSelect(pBase,pSele,pElem){
  //当改变了一个列表之后。清除以后的列表的值。
  for(i=parseInt(pElem.replace("Select",""));i<=5;i++){
    var tmp="000"+i;
    var pElem1=eval("document.Form1.Select"+tmp.substr(tmp.length-2));

    pElem1.length=1;
    pElem1.selectedIndex=0;
  }

  //JS用ASP得到数据库的数据来更新下级列表
  document.all.list_file.src="jscript_city.asp?base="+pBase+"&sele="+pSele+"&elem="+pElem;
}

//--></script>
<script id="list_file" language="JavaScript" type="text/JavaScript" src=""></script>
</head>

<body bgcolor="#FFFFFF" leftmargin="0" topmargin="2" text="#333333" >
<form name="Form1">
<select name="Select01" >
  <option value="">省...</option>
</select>
<select name="Select02" >
  <option value="">市...</option>
</select>
<select name="Select03" >
  <option value="">县...</option>
</select>
<select name="Select04" >
  <option value="">乡...</option>
</select>
<select name="Select05">
  <option value="">村...</option>
</select>
</form>
</body></html> 


'jscript_city.asp
程序代码:
<%
' varBase 下拉菜单等级
' varSele 所选择下拉菜单项的数据库ID
' varElem 下一级的表单名称

varBase=Request.QueryString("base")
varSele=Left(Request.QueryString("sele"),InStr(Request.QueryString("sele"),"-")-1)
varElem=Request.QueryString("elem")

varDistName=""
varAutoID=""

Set conDB=Server.CreateObject("ADODB.CONNECTION")
conDB.Open "Driver={Microsoft Access Driver (*.mdb)};DBQ="&Server.Mappath("db1.mdb")

sqlCommand="select * from table1 where filed1="&varBase&" and filed2="&varSele
Set rsRecord=conDB.Execute(sqlCommand)

While Not rsRecord.eof
  varDistName=varDistName&chr(34)&rsRecord("filed3")&chr(34)
  varAutoID=varAutoID&chr(34)&rsRecord("id")&chr(34)

  rsRecord.movenext
  If Not rsRecord.Eof Then
    varDistName=varDistName&","
    varAutoID=varAutoID&","
  End If
Wend

Response.Write("var varDistName=new Array("&varDistName&")"&vbcrlf)
Response.Write("var varAutoID=new Array("&varAutoID&")"&vbcrlf)

Response.Write("var varElem=eval("&chr(34)&"document.Form1."&varElem&chr(34)&")"&vbcrlf)

Response.Write("varElem.length=varDistName.length+1;"&vbcrlf)

Response.Write("for(var i=0;i<varDistName.length;i++){"&vbcrlf)
Response.Write("    varElem.options[i+1].text=varDistName;"&vbcrlf)
Response.Write("    varElem.options[i+1].value=varAutoID+'-'+varDistName;"&vbcrlf)
Response.Write("}"&vbcrlf)

Response.Write("varElem.selectedIndex=0;"&vbcrlf)

%> 

db1.mdb
'-------------------------------------------------
福建 厦门 思明 黄厝 曾厝桉村
福建 泉州 丰泽 西湖 水头村

如上面的五级转成数据库为:
'-------------------------------
id    filed1    filed2    filed3
1    0        0