一、技术：
前端采用的是jsp页面
后端采用springmvc mybatis mysql8
效果图
二、cascadeSelect.jsp页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme() "://" request.getServerName() ":" request.getServerPort() path "/";
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>省市区三级联动</title>
<script type="text/javascript" src="../js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
$(function() {
// 初始化省市区