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Jsp+javascript打造二级级联下拉菜单

2009-12-21 21:51| 发布者: admin| 查看: 62| 评论: 0|原作者: 小寳寳

数据库需求分析:
class(一级栏目信息):classId(自动编号),className(栏目名称)
Nclass(二级栏目信息):NclassId(自动编号),NclassName(栏目名称),parentId(一级栏目id,与class表中的classId关联)

<%@ page contentType="text/html; charset=GB2312" language="java" errorPage="../error.jsp" %>
<%@ include file="../conn.jsp"%>
<%@ include file="../ds.jsp"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql" %>
<%request.setCharacterEncoding("gb2312"); %>


级联菜单



<%String sql="select * from Nclass order by NclassId asc";
ResultSet rs=stmt.executeQuery(sql);
%>












一级分类

选择二级分类






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