asp实现三级联动菜单
- http://blog.gufang.org/
- 2015/9/8 2:53:43
- 来源：Gufang's Private Space
- 点击：
<%
response.write"1:"&Request.form("s1")&"<BR>"
response.write"2:"&Request.form("s2")&"<BR>"
response.write"3:"&Request.form("s3")&"<BR>"
%>
=========================================================
<!-- 三级联动菜单 开始 -->
<script language="JavaScript">
<!--
<%
'二级数据保存到数组
Dim count2,rsClass2,sqlClass2
set rsClass2=server.createobject("adodb.recordset")
sqlClass2="select distinct city from quxian"
rsClass2.open sqlClass2,conn,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("city")%>','<%=rsClass2("city")%>','<%=rsClass2("city")%>')
<%
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 quxian"
rsClass3.open sqlClass3,conn,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("county")%>','<%=rsClass3("pro")%>','<%=rsClass3("county")%>')
<%
count3 = count3 + 1
rsClass3.movenext
loop
rsClass3.close
%>
function changeselect1(locationpro)
{
document.form1.s2.length = 0;
document.form1.s2.options[0] = new Option('==请选择类别==','');
document.form1.s3.length = 0;
document.form1.s3.options[0] = new Option('==请选择专题==','');
for (i=0; i<subval2.length; i++)
{
if (subval2[i][0] == locationpro)
{document.form1.s2.options[document.form1.s2.length] = new Option(subval2[i][2],subval2[i][1]);}
}
}
function changeselect2(locationpro)
{
document.form1.s3.length = 0;
document.form1.s3.options[0] = new Option('==请选择专题==','');
for (i=0; i<subval3.length; i++)
{
if (subval3[i][0] == locationpro)
{document.form1.s3.options[document.form1.s3.length] = new Option(subval3[i][2],subval3[i][1]);}
}
}
//-->
</script>
<form name="form1" method="post" action="test3.asp">
三级联动：
<%
Dim count1,rsClass1,sqlClass1
set rsClass1=server.createobject("adodb.recordset")
sqlClass1="select distinct pro from quxian"
rsClass1.open sqlClass1,conn,1,1
%>
<select name="s1" onChange="changeselect1(this.value)">
<option>==请选择频道==</option>
<%
count1 = 0
do while not rsClass1.eof
response.write"<option value="&rsClass1("pro")&">"&rsClass1("pro")&"</option>"
count1 = count1 + 1
rsClass1.movenext
loop
rsClass1.close
%>
</select>
<select name="s2" onChange="changeselect2(this.value)">
<option>==请选择类别==</option>
</select>
<select name="s3">
<option>==请选择专题==</option>
</select>
<input type="submit" name="Submit" value="提交"></form>
<!-- 三级联动菜单 结束 -->
response.write"1:"&Request.form("s1")&"<BR>"
response.write"2:"&Request.form("s2")&"<BR>"
response.write"3:"&Request.form("s3")&"<BR>"
%>
=========================================================
<!-- 三级联动菜单 开始 -->
<script language="JavaScript">
<!--
<%
'二级数据保存到数组
Dim count2,rsClass2,sqlClass2
set rsClass2=server.createobject("adodb.recordset")
sqlClass2="select distinct city from quxian"
rsClass2.open sqlClass2,conn,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("city")%>','<%=rsClass2("city")%>','<%=rsClass2("city")%>')
<%
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 quxian"
rsClass3.open sqlClass3,conn,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("county")%>','<%=rsClass3("pro")%>','<%=rsClass3("county")%>')
<%
count3 = count3 + 1
rsClass3.movenext
loop
rsClass3.close
%>
function changeselect1(locationpro)
{
document.form1.s2.length = 0;
document.form1.s2.options[0] = new Option('==请选择类别==','');
document.form1.s3.length = 0;
document.form1.s3.options[0] = new Option('==请选择专题==','');
for (i=0; i<subval2.length; i++)
{
if (subval2[i][0] == locationpro)
{document.form1.s2.options[document.form1.s2.length] = new Option(subval2[i][2],subval2[i][1]);}
}
}
function changeselect2(locationpro)
{
document.form1.s3.length = 0;
document.form1.s3.options[0] = new Option('==请选择专题==','');
for (i=0; i<subval3.length; i++)
{
if (subval3[i][0] == locationpro)
{document.form1.s3.options[document.form1.s3.length] = new Option(subval3[i][2],subval3[i][1]);}
}
}
//-->
</script>
<form name="form1" method="post" action="test3.asp">
三级联动：
<%
Dim count1,rsClass1,sqlClass1
set rsClass1=server.createobject("adodb.recordset")
sqlClass1="select distinct pro from quxian"
rsClass1.open sqlClass1,conn,1,1
%>
<select name="s1" onChange="changeselect1(this.value)">
<option>==请选择频道==</option>
<%
count1 = 0
do while not rsClass1.eof
response.write"<option value="&rsClass1("pro")&">"&rsClass1("pro")&"</option>"
count1 = count1 + 1
rsClass1.movenext
loop
rsClass1.close
%>
</select>
<select name="s2" onChange="changeselect2(this.value)">
<option>==请选择类别==</option>
</select>
<select name="s3">
<option>==请选择专题==</option>
</select>
<input type="submit" name="Submit" value="提交"></form>
<!-- 三级联动菜单 结束 -->
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