已解决[org.springframework.web.multipart.support.MissingServletRequestPartException：所需的请求部分“文件”不存在]

Question

我遇到错误

"Resolved[org.springframework.web.multipart.support.MissingServletRequestPartException: Required request part 'file' is not present]"

我尝试了以前的文章中提供的所有选项，但没有用，请告诉我我在做错什么，这是我的第一个spring-boot应用程序。

我的控制器

    import org.springframework.web.bind.annotation.CrossOrigin;
    import org.springframework.web.bind.annotation.RequestBody;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RequestMethod;
    import org.springframework.web.bind.annotation.RequestParam;
    import org.springframework.web.bind.annotation.ResponseStatus;

    import java.io.File;

    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.http.HttpStatus;
    import org.springframework.jdbc.core.JdbcTemplate;
    import org.springframework.web.bind.annotation.RestController;
    import org.springframework.web.multipart.MultipartFile;

    @RestController
    public class SpringBootJdbcController {
        @Autowired
        JdbcTemplate jdbc;

        @Autowired
        private SpringBootJdbcService springBootJdbcService;

        @RequestMapping("/insert")
        public String index() {
            jdbc.execute("insert into user(name,email)values('javatpoint','java@javatpoint.com')");
            return "data inserted Successfully";
        }

        @CrossOrigin(origins = "http://localhost:4200")
        @ResponseStatus(HttpStatus.OK)
        @RequestMapping(value = "/uploadFile", method = RequestMethod.POST, consumes = "multipart/form-data")
        public void uploadFiles(@RequestParam("file") MultipartFile file) throws Exception {
            System.out.println("hello hello hello");
            System.out.println("file---------" + file);
            springBootJdbcService.readConfigData(file);
        }
    }

我的Application.properties

   spring.servlet.multipart.max-file-size=10MB
   spring.servlet.multipart.max-request-size=11MB

api呼叫邮递员图片：-

我不明白这是什么问题。这是我的第一个spring-boot应用程序，请帮忙。