Retrofit文件上传与下载(xjh 这应该是retrofit1的代码 亲测不行)___http://www.ithao123.cn/content-7813575.html

1.

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public interface FileWebService {       @Multipart     @POST("/files")     FileUploadedResponse upload(@Part("fileContent") TypedFile file);   }

2.

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Filefile=// create your File object here RestAdapterrestAdapter=// create your RestAdapter StringmimeType="image/jpg"; TypedFilefileToSend=newTypedFile(mimeType,file); FileWebServicefileWebService=restAdapter.create(FileWebService.class); fileWebService.upload(fileToSend);

3.Downloading

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public interface FileWebService{     @GET("/files/{fileId}")     @Headers({"Content-Type: image/jpeg"})     Response getFile(@Path("fileId") int fileId);   }

 

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intfileId=123; Responseresponse=fileWebService.getFile(fileId); byte[]bytes=FileHelper.getBytesFromStream(response.getBody().in());

 

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public static byte[] getBytesFromStream(InputStream is) throws IOException {   int len; int size = 1024; byte[] buf;   ByteArrayOutputStream bos = new ByteArrayOutputStream(); buf = new byte[size]; while((len = is.read(buf, 0, size)) != -1) { bos.write(buf, 0, len); } buf = bos.toByteArray();   return buf; }

 

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publicstaticvoidsaveBytesToFile(byte[]bytes,Stringpath){ try{ FileOutputStreamfileOuputStream=newFileOutputStream(path); fileOuputStream.write(bytes); }catch(FileNotFoundExceptione){ e.printStackTrace(); }catch(IOExceptione){ e.printStackTrace(); }finally{                 fileOuputStream.close();         } }

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