Ajax级联菜单

前端页面程序
menu.html:






cellSpacing=0 cellPadding=0 width=200 bgColor=#f5efe7 border=1>

笔记本品牌

IBM

SONY

后端处理程序:
menu.jsp
<%@ page contentType="text/html; charset=GBK" %>
<% //接收浏览器端提交的信息
String sort=request.getParameter("sort");
String contents1="";
String contents2="";
if(sort.equals("IBM")){
contents1="IBM笔记本1";
contents2="IBM笔记本1";
}
else
if(sort.equals("SONY")){
contents1="SONY笔记本1";
contents2="SONY笔记本2";
} //传回响应数据
response.setContentType("text/xml; charset=UTF-8");
response.setHeader("Cache-Control", "no-cache");
out.println("");
out.println("" + contents1 + "");
out.println("" + contents2 + "");
out.println("");
out.close();
%>