spring boot using bootstrap + thymeleaf making navigation bar

Add thymeleaf dependence

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>

Configuring application.properties, making spring boot to find the template file

thymeleaf=
    model= HTML5
    encoding= UTF-8
    cache= false
    prefix= classpath:templates/
    suffix= .html

Add bootstrap

wget https://github.com/twbs/bootstrap/releases/download/v3.3.7/bootstrap-3.3.7-dist.zip

extract the resources to the project / under static

Create a template file index.html

Copy the default navigation bar official website https://v3.bootcss.com/components/#navbar-default, and modify

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
  <head>
    <title>码匠社区</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
    <link rel="stylesheet" href="css/bootstrap.min.css" />

    <!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
    <link rel="stylesheet" href="css/bootstrap-theme.min.css" />

    <!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
    <script src="js/bootstrap.min.js"></script>
  </head>
  <body>
    <nav class="navbar navbar-default">
      <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
          <button
            type="button"
            class="navbar-toggle collapsed"
            data-toggle="collapse"
            data-target="#bs-example-navbar-collapse-1"
            aria-expanded="false"
          >
            <span class="sr-only">码匠社区</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#">码匠社区</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div
          class="collapse navbar-collapse"
          id="bs-example-navbar-collapse-1"
        >
          <form class="navbar-form navbar-left">
            <div class="form-group">
              <input type="text" class="form-control" placeholder="搜索" />
            </div>
            <button type="submit" class="btn btn-default">搜索</button>
          </form>
          <ul class="nav navbar-nav navbar-right">
            <li><a href="#">Link</a></li>
            <li class="dropdown">
              <a
                href="#"
                class="dropdown-toggle"
                data-toggle="dropdown"
                role="button"
                aria-haspopup="true"
                aria-expanded="false"
                >我<span class="caret"></span
              ></a>
              <ul class="dropdown-menu">
                <li><a href="#">消息中心</a></li>
                <li><a href="#">个人资料</a></li>
                <li><a href="#">退出登录k</a></li>
              </ul>
            </li>
          </ul>
        </div>
        <!-- /.navbar-collapse -->
      </div>
      <!-- /.container-fluid -->
    </nav>
  </body>
</html>

Write controller IndexController preview

package com.byrxiaochun.community.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;

@Controller
public class IndexController {
    @GetMapping("/")
    public String index(){
        return "index";
    }
}

problem

If the error might not application.propertites configured thymeleaf, visit

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Carpenter learning community -spring boot code using bootstrap + thymeleaf making navigation bar

spring boot using bootstrap + thymeleaf making navigation bar

problem

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