如何实现动态数据库二级菜单效果

wxqvivian 2006-05-09 11:35:53

如何实现.以下CNDN搜索功能.大类也从数据库提取,小类也从数据库中提取呢?请高手们指点
http://community.csdn.net/Expert/search.asp

...全文

181 9 打赏收藏转发到动态举报

写回复

用AI写文章

9 条回复

切换为时间正序

请发表友善的回复…

发表回复

wxqvivian 2006-05-10

打赏
举报

效果如以下的方式:
http://community.csdn.net/Expert/search.asp

wxqvivian 2006-05-10

打赏
举报

我要javascript的,谢谢共享

qiuyc 2006-05-10

打赏
举报

这个例子，你自己修改修改就能实现功能：）

qiuyc 2006-05-10

打赏
举报

<%@ page contentType="text/html; charset=GB2312" %>
<%@ page import="java.util.*"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

</head>
<body leftmargin="0" topmargin="0">
<form name="form1" method="post" target="data2" action="">
<table width="600" border="0" cellpadding="0" cellspacing="0">
<tr>
<td colspan="13" class="font2">市处名称：
<select name="dsxx" onchange="chinaredirect(this.options.selectedIndex);">
<option value="-1">请选择</option>
<%
Vector v_dsxx=new Vector();
Vector v_yh=new Vector();

v_dsxx=(Vector)request.getAttribute("dsxxList");

int loop=0;

for (loop=0;loop<v_dsxx.size();loop++)
{
GldwxxVO vo = new GldwxxVO();
vo=(GldwxxVO)v_dsxx.elementAt(loop) ;
%>
<option value="<%=vo.getGldwdm()%>"><%=vo.getGldwmc()%></option>
<%}%>
</select>
<input type="button" onClick="tijiao();" name="Submit22222" value="查询" class=buttonface>
</td>
</tr>
</table>

</form>

<SCRIPT language=JavaScript>
var cityLength=form1.dsxx.length;
var countyGroup=new Array(cityLength);
for (i=0; i<cityLength; i++)
countyGroup[i]=new Array();
countyGroup[0][0]=new Option("请选择","-1");
<%

for (loop=0;loop<v_yh.size() ;loop++)
{
YhValue vo = new YhValue();
vo=(YhValue)v_yh.elementAt(loop) ;
%>
countyGroup[0][<%=loop+1%>]=new Option("<%=vo.getGh()%>-<%=vo.getXm() %>","<%=vo.getGh()%>")
<%
}

for (loop=1;loop<=v_dsxx.size() ;loop++)
{
GldwxxVO vo = new GldwxxVO();
vo=(GldwxxVO)v_dsxx.elementAt(loop-1) ;

{
int x=1;
%>
countyGroup[<%=loop%>][0]=new Option("请选择","-1")

<%
for (int i=0;i<v_yh.size();i++)
{

YhValue vo_temp = new YhValue();
vo_temp=(YhValue)v_yh.elementAt(i) ;

if (vo.getGldwdm().equals(vo_temp.getGldwdm() ))
{
%>
countyGroup[<%=loop%>][<%=x%>]=new Option("<%=vo_temp.getGh()%>-<%=vo_temp.getXm()%>","<%=vo_temp.getGh()%>")
<%
x++;
}
}
}
}
%>

var temp=document.form1.shilyryhbs;

function chinaredirect(x){

for (m=temp.options.length-1;m>0;m--)
temp.options[m]=null

for (i=0;i<countyGroup[x].length;i++){
temp.options[i]=new Option(countyGroup[x][i].text,countyGroup[x][i].value)
}
temp.options[0].selected=true

}
</SCRIPT>

</body>
</html>

dlxu 2006-05-09