<!-- 三级联动菜单 开始 --><script language="JavaScript"><!--<%'二级数据保存到数组Dim count2,rsClass2,sqlClass2set rsClass2=server.createobject("adodb.recordset")sqlClass2="select * from aa" 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 = 0do while not rsClass2.eof%>subval2[<%=count2%>] = new Array('<%=rsClass2("aID")%>','<%=rsClass2("ID")%>','<%=rsClass2("Name")%>')<%count2 = count2 + 1rsClass2.movenextlooprsClass2.close%> <%'三级数据保存到数组Dim count3,rsClass3,sqlClass3set rsClass3=server.createobject("adodb.recordset")sqlClass3="select * from aaa" 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 = 0do while not rsClass3.eof%>subval3[<%=count3%>] = new Array('<%=rsClass3("aaID")%>','<%=rsClass3("ID")%>','<%=rsClass3("Name")%>')<%count3 = count3 + 1rsClass3.movenextlooprsClass3.close%> function changeselect1(locationid){     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] == locationid)         {document.form1.s2.options[document.form1.s2.length] = new Option(subval2[i][2],subval2[i][1]);}     }} function changeselect2(locationid){     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] == locationid)         {document.form1.s3.options[document.form1.s3.length] = new Option(subval3[i][2],subval3[i][1]);}     }}//--></script> <form name="form1" method="post" action="test1.asp"> 三级联动：<%Dim count1,rsClass1,sqlClass1set rsClass1=server.createobject("adodb.recordset")sqlClass1="select * from a" rsClass1.open sqlClass1,conn,1,1%><select name="s1" onChange="changeselect1(this.value)"><option>==请选择频道==</option><%count1 = 0do while not rsClass1.eofresponse.write"<option value="&rsClass1("ID")&">"&rsClass1("Name")&"</option>"count1 = count1 + 1rsClass1.movenextlooprsClass1.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 -->

评论