SpringBoot怎么访问html文件

pom.xml

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

application.yml

spring:
  thymeleaf:
    prefix: classpath:/templates/

web层

@Controller
public class FdfsController {
    
    @RequestMapping("file")
    public String file(){
        return "/fileUploade";
    }

}

html

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
    <meta charset="UTF-8" />
    <title>Insert title here</title>
</head>
<body>
<h1 th:inlines="text">文件上传</h1>
<form action="upload" method="post" enctype="multipart/form-data">
    <p>选择文件: <input type="file" name="fileName"/></p>
    <p><input type="submit" value="提交"/></p>
</form>
</body>
</html>

测试