三级联动效果如何实现 如何实现简单的三级联动效果? 数据时从表中读取的。兼容性要好的,我目前实现的这个好多浏览器不兼容。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <script><!--<%'二级数据保存到数组Dim count2,cityRS,citySQLset cityRS=server.createobject("adodb.recordset")citySQL="select * from sys_city" cityRS.open citySQL,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 cityRS.eof%>subval2[<%=count2%>] = new Array('<%=cityRS("provinceid")%>','<%=cityRS("id")%>','<%=cityRS("cityname")%>')<%count2 = count2 + 1cityRS.movenextloopcityRS.close%><%'三级数据保存到数组Dim count3,townRS,townSQLset townRS=server.createobject("adodb.recordset")townSQL="select * from sys_town" townRS.open townSQL,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 townRS.eof%>subval3[<%=count3%>] = new Array('<%=townRS("cityid")%>','<%=townRS("ID")%>','<%=townRS("townname")%>')<%count3 = count3 + 1townRS.movenextlooptownRS.close%>function changeselect1(locationid){ document.form1.cityID.length = 0; document.form1.cityID.options[0] = new Option('请选择城市',''); document.form1.townID.length = 0; document.form1.townID.options[0] = new Option('请选择城区',''); for (i=0; i<subval2.length; i++) { if (subval2[i][0] == locationid) {document.form1.cityID.options[document.form1.cityID.length] = new Option(subval2[i][2],subval2[i][1]);} }}function changeselect2(locationid){ document.form1.townID.length = 0; document.form1.townID.options[0] = new Option('请选择城区',''); for (i=0; i<subval3.length; i++) { if (subval3[i][0] == locationid) {document.form1.townID.options[document.form1.townID.length] = new Option(subval3[i][2],subval3[i][1]);} }}//--></script><form id="form1" name="form1" method="post" action=""><% Dim count1,provinceRS,provinceSQL set provinceRS=server.createobject("adodb.recordset") provinceSQL="select * from sys_province order by orderfield" provinceRS.open provinceSQL,conn,1,1%> <select name="provinceID" id="provinceID" onChange="changeselect1(this.value)"> <option value="">请选择省份</option> <% do while not provinceRS.eof response.Write "<option value="&provinceRS("ID")&">"&provinceRS("provincename")&"</option>" provinceRS.movenext loop provinceRS.close set provinceRS = nothing %> </select> <select name="cityID" id="cityID" onChange="changeselect2(this.value)"> <option value="">请选择城市</option> </select> <select name="townID" id="townID"> <option value="">请选择城区</option> </select></form>回去自己改改就OK了 楼上的篡位了,这可是jsp的地盘,容不得asp瞎胡闹 LZ你题意不清你没有说是在JSP还是EXT还是asp中实现。 联动其实也没什么首先你定义三个方法 分给三个select然后再方法中用AJAX 或 DWR进行在后台取数据 然后动态填充数据 对接口(webservice,view)提供一种通用的解决方案 拼装字符串问题 spring mvc 中的Controller 有什么要求 解惑,,java怎样来实现cs的桌面应用程序?? displaytag 中文分页问题(在线求解) 求解:Java Web开发中所有涉及到相对路径的问题 帮忙介绍一本比较好的开发jsp自定义标签的书 这种问题hibernate可以解决吗? tomcat不同版本的问题!!!!急急急!!!! 求教,有关EJB实例的用法? 哪个有officeproject2003能发我邮箱吗 SSH 整合错误,请帮看看
<!--
<%
'二级数据保存到数组
Dim count2,cityRS,citySQL
set cityRS=server.createobject("adodb.recordset")
citySQL="select * from sys_city"
cityRS.open citySQL,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 cityRS.eof
%>
subval2[<%=count2%>] = new Array('<%=cityRS("provinceid")%>','<%=cityRS("id")%>','<%=cityRS("cityname")%>')
<%
count2 = count2 + 1
cityRS.movenext
loop
cityRS.close
%>
<%
'三级数据保存到数组
Dim count3,townRS,townSQL
set townRS=server.createobject("adodb.recordset")
townSQL="select * from sys_town"
townRS.open townSQL,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 townRS.eof
%>
subval3[<%=count3%>] = new Array('<%=townRS("cityid")%>','<%=townRS("ID")%>','<%=townRS("townname")%>')
<%
count3 = count3 + 1
townRS.movenext
loop
townRS.close
%>
function changeselect1(locationid)
{
document.form1.cityID.length = 0;
document.form1.cityID.options[0] = new Option('请选择城市','');
document.form1.townID.length = 0;
document.form1.townID.options[0] = new Option('请选择城区','');
for (i=0; i<subval2.length; i++)
{
if (subval2[i][0] == locationid)
{document.form1.cityID.options[document.form1.cityID.length] = new Option(subval2[i][2],subval2[i][1]);}
}
}function changeselect2(locationid)
{
document.form1.townID.length = 0;
document.form1.townID.options[0] = new Option('请选择城区','');
for (i=0; i<subval3.length; i++)
{
if (subval3[i][0] == locationid)
{document.form1.townID.options[document.form1.townID.length] = new Option(subval3[i][2],subval3[i][1]);}
}
}
//-->
</script>
<form id="form1" name="form1" method="post" action="">
<%
Dim count1,provinceRS,provinceSQL
set provinceRS=server.createobject("adodb.recordset")
provinceSQL="select * from sys_province order by orderfield"
provinceRS.open provinceSQL,conn,1,1
%> <select name="provinceID" id="provinceID" onChange="changeselect1(this.value)">
<option value="">请选择省份</option>
<%
do while not provinceRS.eof
response.Write "<option value="&provinceRS("ID")&">"&provinceRS("provincename")&"</option>"
provinceRS.movenext
loop
provinceRS.close
set provinceRS = nothing
%>
</select>
<select name="cityID" id="cityID" onChange="changeselect2(this.value)">
<option value="">请选择城市</option>
</select>
<select name="townID" id="townID">
<option value="">请选择城区</option>
</select>
</form>回去自己改改就OK了
楼上的篡位了,这可是jsp的地盘,容不得asp瞎胡闹