我正在尝试上传GraphQL突变和图像作为应用程序/表单数据。GraphQL部分正在工作，但是我想“保存”上载的二进制文件并将路径添加到GraphQL数据。在createGraphQLContext中，我可以访问HttpServletRequest，但是（多个）部分为空。我使用带有嵌入式tomcat
8.5和提供的GraphQL Java工具的graphql-spring-boot-starter

这是我对/ graphql的Relay Modern调用

------WebKitFormBoundaryWBzwQyVX0TvBTIBD
Content-Disposition: form-data; name="query"

mutation CreateProjectMutation(
  $input: ProjectInput!
) {
  createProject(input: $input) {
    id
    name
  }
}

------WebKitFormBoundaryWBzwQyVX0TvBTIBD
Content-Disposition: form-data; name="variables"

{"input":{"name":"sdasas"}}
------WebKitFormBoundaryWBzwQyVX0TvBTIBD
Content-Disposition: form-data; name="file"; filename="51zvT5zy44L._SL500_AC_SS350_.jpg"
Content-Type: image/jpeg


------WebKitFormBoundaryWBzwQyVX0TvBTIBD--

在我中，@Component public class MyGraphQLContextBuilder implements GraphQLContextBuilder我有权HttpServletRequest使用以下文件访问该文件：req.getPart( "file" )

但是我在请求中的部分是空的 intellij调试器

我已将此添加到我的application.yml

spring:
    http:
      multipart:
        enabled: true
        file-size-threshold: 10MB
        location: /tmp
        max-file-size: 10MB
        max-request-size: 15MB
        resolve-lazily: false

并尝试使用不同的@configuration启用多部分配置，但部分仍然为空。

@Configuration
public class MultipartConfig {

    @Bean
    public MultipartResolver multipartResolver() {
        StandardServletMultipartResolver resolver = new StandardServletMultipartResolver();
        return resolver;
    }

}

import javax.servlet.MultipartConfigElement;
import javax.servlet.ServletRegistration.Dynamic;

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

public class MyInitializer
        extends AbstractAnnotationConfigDispatcherServletInitializer {

    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class[] {};
    }

    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class[] { MultipartConfig.class };
    }

    @Override
    protected String[] getServletMappings() {
        return new String[] { "/graphql" };
    }

    @Override
    protected void customizeRegistration(Dynamic registration) {

        //Parameters:-
        //   location - the directory location where files will be stored
        //   maxFileSize - the maximum size allowed for uploaded files
        //   maxRequestSize - the maximum size allowed for multipart/form-data requests
        //   fileSizeThreshold - the size threshold after which files will be written to disk
        MultipartConfigElement multipartConfig = new MultipartConfigElement("/tmp", 1048576,
                10485760, 0);
        registration.setMultipartConfig(multipartConfig);
    }
}

我不知道该怎么办。希望有人可以帮助我。

谢谢。