下面是二级菜单联动的例子 兄弟要再加一组复选框 复选框内容和第二级菜单的内容一致
也就是说第一级菜单选定后 联动第二级菜单和复选框(二者显示的内容相同)
<!--#include file="../include/buyok_shop_30_conn.asp"-->
<script language = "javascript">
var j;
j=0;
goaler = new Array();
<%set rs=conn.execute("select * from newsclass where classid<>0 order by ID")'二级菜单
if rs.eof then%>
goaler[0] = new Array("无分类","","");
<%else
i=0
do while not rs.eof%>
goaler[<%=i%>] = new Array("<%=rs("minclassname")%>","<%=rs("classid")%>","<%=rs("ID")%>");//classid为一级的ID,ID为自己的ID
<%rs.movenext
i=i+1
loop
end if
rs.close
%>
j=<%=i%>;function changelocation(locationid)
{
document.addnews.SmallClassID.length = 0;var locationid=locationid;
var i;
for (i=0;i < j; i++)
{
if (goaler[i][1] == locationid)
{
document.addnews.SmallClassID.options[document.addnews.SmallClassID.length] = new Option(goaler[i][0], goaler[i][2]);
}
}}
</script><form method="post" name="addnews" action="">
<select name="BigClassID" onChange="changelocation(document.addnews.BigClassID.options[document.addnews.BigClassID.selectedIndex].value)" size="1">
<%set rs=conn.execute("select * from newsclass where classid=0 order by ID")'一级
if rs.eof then%>
<option selected value="">无一级分类</option>
<%else%>
<option selected value="">请选择一级分类</option>
<%do while not rs.eof%>
<option value="<%=rs("ID")%>"><%=rs("classname")%></option>
<%rs.movenext
loop
end if%>
</select>
<select name="SmallClassID">
<option selected value="">未指定一级分类</option>
</select>
<input type="submit" name="goaler" value="提交">
</form>
<%'测试取值
if request("goaler")<>"" then
response.write "ID="&request("ID")&"<BR>ID="&request("ID")
end if%>
也就是说第一级菜单选定后 联动第二级菜单和复选框(二者显示的内容相同)
<!--#include file="../include/buyok_shop_30_conn.asp"-->
<script language = "javascript">
var j;
j=0;
goaler = new Array();
<%set rs=conn.execute("select * from newsclass where classid<>0 order by ID")'二级菜单
if rs.eof then%>
goaler[0] = new Array("无分类","","");
<%else
i=0
do while not rs.eof%>
goaler[<%=i%>] = new Array("<%=rs("minclassname")%>","<%=rs("classid")%>","<%=rs("ID")%>");//classid为一级的ID,ID为自己的ID
<%rs.movenext
i=i+1
loop
end if
rs.close
%>
j=<%=i%>;function changelocation(locationid)
{
document.addnews.SmallClassID.length = 0;var locationid=locationid;
var i;
for (i=0;i < j; i++)
{
if (goaler[i][1] == locationid)
{
document.addnews.SmallClassID.options[document.addnews.SmallClassID.length] = new Option(goaler[i][0], goaler[i][2]);
}
}}
</script><form method="post" name="addnews" action="">
<select name="BigClassID" onChange="changelocation(document.addnews.BigClassID.options[document.addnews.BigClassID.selectedIndex].value)" size="1">
<%set rs=conn.execute("select * from newsclass where classid=0 order by ID")'一级
if rs.eof then%>
<option selected value="">无一级分类</option>
<%else%>
<option selected value="">请选择一级分类</option>
<%do while not rs.eof%>
<option value="<%=rs("ID")%>"><%=rs("classname")%></option>
<%rs.movenext
loop
end if%>
</select>
<select name="SmallClassID">
<option selected value="">未指定一级分类</option>
</select>
<input type="submit" name="goaler" value="提交">
</form>
<%'测试取值
if request("goaler")<>"" then
response.write "ID="&request("ID")&"<BR>ID="&request("ID")
end if%>
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然后获取复选框的id ,然后 cid.innerText = select选中的值就可以了
<script language = "javascript">
var j;
j=0;
goaler = new Array();
<%set rs=conn.execute("select * from newsclass where classid <>0 order by ID")'二级菜单
if rs.eof then%>
goaler[0] = new Array("无分类","","");
<%else
i=0
do while not rs.eof%>
goaler[ <%=i%>] = new Array(" <%=rs("minclassname")%>"," <%=rs("classid")%>"," <%=rs("ID")%>");//classid为一级的ID,ID为自己的ID
<%rs.movenext
i=i+1
loop
end if
rs.close
%>
j= <%=i%>; function changelocation(locationid)
{
document.addnews.SmallClassID.length = 0; var locationid=locationid;
var i;
var tmp = "";
for (i=0;i < j; i++)
{
if (goaler[i][1] == locationid)
{
document.addnews.SmallClassID.options[document.addnews.SmallClassID.length] = new Option(goaler[i][0], goaler[i][2]);
tmp += "<input type='checkbox' id='chk" + goaler[i][0] + "'>" + goaler[i][2] + "<br>";
}
}
document.getElementById("opts").innerHTML = tmp;
}
</script> <form method="post" name="addnews" action="">
<select name="BigClassID" onChange="changelocation(document.addnews.BigClassID.options[document.addnews.BigClassID.selectedIndex].value)" size="1">
<%set rs=conn.execute("select * from newsclass where classid=0 order by ID")'一级
if rs.eof then%>
<option selected value="">无一级分类 </option>
<%else%>
<option selected value="">请选择一级分类 </option>
<%do while not rs.eof%>
<option value=" <%=rs("ID")%>"> <%=rs("classname")%> </option>
<%rs.movenext
loop
end if%>
</select>
<select name="SmallClassID">
<option selected value="">未指定一级分类 </option>
</select>
<div id="opts"></div>
<input type="submit" name="goaler" value="提交">
</form>
<%'测试取值
if request("goaler") <>"" then
response.write "ID="&request("ID")&" <BR>ID="&request("ID")
end if%>
用dwr最好做