如何使用swagger-ui (springfox-swagger2和springfox-swagger-ui)和spring-boot应用程序上传多个文件？

<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger2</artifactId>
    <version>2.9.2</version>
</dependency>
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger-ui</artifactId>
    <version>2.9.2</version>
</dependency>

@Configuration
@EnableSwagger2
public class SwaggerConfig {

    @Bean
    public Docket api() {
        return new Docket(DocumentationType.SWAGGER_2)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.example.controller"))
                .paths(PathSelectors.any())
                .build()
                .apiInfo(apiInfo());
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("API文档")
                .description("API文档描述")
                .version("1.0")
                .build();
    }
}

@RestController
@Api(tags = "文件上传接口")
public class FileUploadController {

    @ApiOperation("上传多个文件")
    @PostMapping("/upload")
    public String uploadFiles(@RequestParam("files") MultipartFile[] files) {
        // 处理文件上传逻辑
        return "文件上传成功";
    }
}