使用“multipart / form-data”进行文件上传服务时出现严重错误 – Apache Jersey
我收到此错误:
SEVERE: Resource methods utilizing @FormParam and consuming "multipart/form-data" are no longer supported. See @FormDataParam
当我为基于Apache Jersey的Rest Web服务完成客户端Web访问时,我现在正在工作:
@POST @Path("upload") @Consumes("multipart/form-data") @Produces("text/plain") public String uploadFile(@FormParam("file") File file, @FormParam("file") FormDataContentDisposition fileDetail) { String fileLocation = "/files/" + fileDetail.getFileName(); System.out.println("File location: " + fileLocation); // Load image try { byte[] imageBytes = loadImage(fileLocation); MongoConnection conn = MongoUtil.getConnection(); conn.connect("m1", "avatar"); GridFS fs = new GridFS(conn.getDB()); GridFSInputFile in = fs.createFile(imageBytes); in.save(); } catch (Exception e) { e.printStackTrace(); } return "1"; }
我试过从@FormParam
更改为@FormParam
,但它没有得到解决。
有什么可以解决这个问题?
您必须下载并使用jersey-multipart.jar
尝试这个:
@Path("upload") @Consumes("multipart/form-data") @POST public void handleUpload(@FormParam("file") InputStream file) throws Exception { // do your thing }
你也可以参考这篇文章 。
对于客户端:
import java.io.File; import javax.ws.rs.core.MediaType; import com.sun.jersey.api.client.Client; import com.sun.jersey.api.client.WebResource; import com.sun.jersey.multipart.FormDataMultiPart; public class UploadExample { public void upload(String url, File f, String formName) { FormDataMultiPart form = new FormDataMultiPart().field(formName, f, MediaType.MULTIPART_FORM_DATA_TYPE); WebResource webResource = Client.create().resource(url); webResource.type(MediaType.MULTIPART_FORM_DATA) .accept(MediaType.TEXT_PLAIN) .post(form); } }