依赖<dependency> <groupId>io.github.openfeign.form</groupId> <artifactId>feign-form</artifactId> <version>3.8.0</version></dependency><dependency> <groupId>io.github.openfeign.form</groupId> <artifactId>feign-form-spring</artifactId> <version>3.8.0</version></dependency>
服务消费者Service接口
@FeignClient(value = "xqwl-street-provider", configuration = ImsRhinfoZyxqCarService.MultipartSupportConfig.class)@Servicepublic interface ImsRhinfoZyxqCarService { @PostMapping(value = "/ImsRhinfoZyxqSanitationController/upload", consumes = MediaType.MULTIPART_FORM_DATA_VALUE) R SanitationUpload(@RequestPart(value = "file")MultipartFile file); @Configuration class MultipartSupportConfig { @Bean public Encoder feignFormEncoder(ObjectFactory<HttpMessageConverters> messageConverters) { return new FeignSpringFormEncoder(new SpringEncoder(messageConverters)); } }}传文件配置
import feign.RequestTemplate;import feign.codec.EncodeException;import feign.codec.Encoder;import feign.form.ContentType;import feign.form.FormEncoder;import feign.form.MultipartFormContentProcessor;import feign.form.spring.SpringManyMultipartFilesWriter;import feign.form.spring.SpringSingleMultipartFileWriter;import org.springframework.web.multipart.MultipartFile;import java.lang.reflect.Type;import java.util.Collections;import java.util.Map;
public class FeignSpringFormEncoder extends FormEncoder { public FeignSpringFormEncoder() { this(new Default()); } public FeignSpringFormEncoder(Encoder delegate) { super(delegate); MultipartFormContentProcessor processor = (MultipartFormContentProcessor)this.getContentProcessor(ContentType.MULTIPART); processor.addFirstWriter(new SpringSingleMultipartFileWriter()); processor.addFirstWriter(new SpringManyMultipartFilesWriter()); } public void encode(Object object, Type bodyType, RequestTemplate template) throws EncodeException { if (bodyType.equals(MultipartFile.class)) { MultipartFile file = (MultipartFile) object; Map<String, Object> data = Collections.singletonMap(file.getName(), object); super.encode(data, MAP_STRING_WILDCARD, template); return; } else if (bodyType.equals(MultipartFile[].class)) { MultipartFile[] file = (MultipartFile[]) object; if(file != null) { Map<String, Object> data = Collections.singletonMap(file.length==0?"":file[0].getName(), object); super.encode(data, MAP_STRING_WILDCARD, template); return; } } super.encode(object, bodyType, template); }}服务提供者接口
@PostMapping(value="upload",produces = MediaType.APPLICATION_JSON_UTF8_VALUE, consumes = MediaType.MULTIPART_FORM_DATA_VALUE)public R upload(MultipartFile file){ return sanitationService.importExcel(file);}
