📄 index.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title></title>
<script language="javascript" src="<%=request.getContextPath()%>/city/rela.js"></script>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--><!--
<script language="javascript" src="<%=request.getContextPath()%>/rela.js"></script>
--></head>
<script type="text/javascript">
function init(){
var province=document.getElementById("province");
var city=document.getElementById("city");
var area=document.getElementById("area");
var pro1="01,02";
var pro2="01:北京,02:河北,03:河南,04:浙江";
var city1="0101,0201,0202,0301,0302,0401";
var city2="0101:北京,0201:石家庄,0202:保定,0301:开封,0302:洛阳,0401:杭州";
var area1="010101,010102,010103,020101,020102,020201,020202,020203,040101";
var area2="010101:海淀区,010102:朝阳区,010103:西城区,020101:正定,020102:晋州,020201:冀州,020202:枣强,020203:饶阳,040101:西湖";
proControl(province,city,area,pro1,pro2,city1,city2,area1,area2);
}
</script>
<body onLoad="init()">
省份:<select id="province"><%--
<option value="01">北京</option>
<option value="02">河北</option>
--%></select>
城市:<select id="city"><%--
<option value="0101">北京</option>
--%></select>
地区:<select id="area"><%--
<option value="010101">海淀区</option>
<option value="010102">朝阳区</option>
<option value="010103">西城区</option>
--%></select>
</body>
</html>
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