AJAX+ASP 4级联动菜单那个有

[sujing1985]

AJAX+ASP 4级联动菜单那个有
有的传我一份谢谢了

[jiangshanwws]

没人回答分给我吧

[llpoo]

其实我想写给你，但是看你的结贴率...

[ly8199]

呵呵。。写个给我吧。

[王诚豪]

<script language="JavaScript">
<!--
<%
'二级数据保存到数组
Dim count2,rsClass2,sqlClass2
set rsClass2=server.createobject("adodb.recordset")
sqlClass2="select * from carbrand" 
rsClass2.open sqlClass2,conn2,1,1
%>
var subval2 = new Array();
//数组结构：一级根值,二级根值,二级显示值
<%
count2 = 0
do while not rsClass2.eof
%>
subval2[<%=count2%>] = new Array('<%=rsClass2("addid")%>','<%=rsClass2("carid")%>','<%=rsClass2("carbrand")%>')
<%
count2 = count2 + 1
rsClass2.movenext
loop
rsClass2.close
%>

<%
'三级数据保存到数组
Dim count3,rsClass3,sqlClass3
set rsClass3=server.createobject("adodb.recordset")
sqlClass3="select * from cartype" 
rsClass3.open sqlClass3,conn2,1,1
%>
var subval3 = new Array();
//数组结构：二级根值,三级根值,三级显示值
<%
count3 = 0
do while not rsClass3.eof
%>
subval3[<%=count3%>] = new Array('<%=rsClass3("carid")%>','<%=rsClass3("cartypeid")%>','<%=rsClass3("cartypename")%>')
<%
count3 = count3 + 1
rsClass3.movenext
loop
rsClass3.close
%>
<%
'四级数据保存到数组
Dim count4,rsClass4,sqlClass4
set rsClass4=server.createobject("adodb.recordset")
sqlClass4="select * from carname" 
rsClass4.open sqlClass4,conn2,1,1
%>
var subval4 = new Array();
//数组结构：三级根值,四级根值,四级显示值
<%
count4 = 0
do while not rsClass4.eof
%>
subval4[<%=count4%>] = new Array('<%=rsClass4("cartypeid")%>','<%=rsClass4("nameid")%>','<%=rsClass4("carname")%>')
<%
count4 = count4 + 1
rsClass4.movenext
loop
rsClass4.close
%>
function changeselect1(locationid)
{
     document.form1.carbrand.length = 0;
     document.form1.carbrand.options[0] = new Option('==请选择品牌==','');
     document.form1.cartype.length = 0;
     document.form1.cartype.options[0] = new Option('==请选择车型==','');
	 document.form1.carname.length = 0;
     document.form1.carname.options[0] = new Option('==请选择车名==','');
     for (i=0; i<subval2.length; i++)
     {
         if (subval2[i][0] == locationid)
         {document.form1.carbrand.options[document.form1.carbrand.length] = new Option(subval2[i][2],subval2[i][1]);}
     }
}

function changeselect2(locationid)
{
     document.form1.cartype.length = 0;
     document.form1.cartype.options[0] = new Option('==请选择车型==','');
	 document.form1.carname.length = 0;
     document.form1.carname.options[0] = new Option('==请选择车名==','');
     for (i=0; i<subval3.length; i++)
     {
         if (subval3[i][0] == locationid)
         {document.form1.cartype.options[document.form1.cartype.length] = new Option(subval3[i][2],subval3[i][1]);}
     }
}
function changeselect3(locationid)
{
     
	 document.form1.carname.length = 0;
     document.form1.carname.options[0] = new Option('==请选择车名==','');
     for (i=0; i<subval4.length; i++)
     {
         if (subval4[i][0] == locationid)
         {document.form1.carname.options[document.form1.carname.length] = new Option(subval4[i][2],subval4[i][1]);}
     }
}
//-->
</script>
<form name="form1" method="post" action="">   
    
    <tr>
   <td colspan="2" align="center" style="border-bottom:#000000 solid 1px">选择车型
     <%
Dim count1,rsClass1,sqlClass1
set rsClass1=server.createobject("adodb.recordset")
sqlClass1="select * from caradd" 
rsClass1.open sqlClass1,conn2,1,1
%>
     <select name="caradd" onChange="changeselect1(this.value)">
  <option>==请选择产地==</option>
  <%
count1 = 0
do while not rsClass1.eof
response.write"<option value="&rsClass1("addid")&">"&rsClass1("addname")&"</option>"
count1 = count1 + 1
rsClass1.movenext
loop
rsClass1.close
%>
     </select>

     <select name="carbrand"   onChange="changeselect2(this.value)"> 
  <option>==请选择品牌==</option>
     </select>
     <select name="cartype" onChange="changeselect3(this.value)">
       <option>==请选择车型==</option>
     </select>
     <select name="carname" onChange="submit()" >
       <option>==请选择车名==</option>
     </select></td>
   </tr>   </form>