javascript实现省市区三级联动
html页面：
<%@ page language="java" contentType="text/html; charset=gbk"
pageEncoding="gbk"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>首页</title>
</head>
<body>
<h1 align="center">欢迎</h1>
<hr>
<jsp:include page="liandong1.jsp" /></body>
</html>
其他三个页面见附件