<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>导航页</title>
    <base th:href="@{/}"><!-- 不用base就使用th:src="@{/js/jquery.min.js} -->
    <!-- Bootstrap -->
    <link href="css/bootstrap.min.css" rel="stylesheet">
    <script src="js/jquery.min.js"></script>
    <script src="js/bootstrap.min.js"></script>
    <style type="text/css">
     .carousel{
         height: 200px;
         background-color: #000;
      }
      .carousel .item{
   