Java Code Examples for com.aliyun.oss.OSS#shutdown()

/**
 * 文件上传
 * @param bucket   存储空间名称
 * @param endpoint 存储空间所属地域的访问域名
 * @param key      文件完整名称（建议含后缀）
 * @param is       文件流
 * Comment by 玄玉<https://jadyer.cn/> on 2018/4/9 17:24.
 */
public static void upload(String bucket, String endpoint, String key, String accessKeyId, String accessKeySecret, InputStream is) {
    OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
    try {
        ossClient.putObject(bucket, key, is);
    } catch (OSSException oe) {
        throw new SeedException("文件上传，OSS服务端异常，RequestID="+oe.getRequestId() + "，HostID="+oe.getHostId() + "，Code="+oe.getErrorCode() + "，Message="+oe.getMessage());
    } catch (ClientException ce) {
        throw new SeedException("文件上传，OSS客户端异常，RequestID="+ce.getRequestId() + "，Code="+ce.getErrorCode() + "，Message="+ce.getMessage());
    } catch (Throwable e) {
        throw new SeedException("文件上传，OSS未知异常：" + e.getMessage());
    } finally {
        try {
            if(null != is){
                is.close();
            }
        } catch (final IOException ioe) {
            // ignore
        }
        if(null != ossClient){
            ossClient.shutdown();
        }
    }
}
 

/**
 * 获取文件的临时地址（供文件预览使用）
 * 图片处理：https://help.aliyun.com/document_detail/47505.html
 * 异常码描：https://help.aliyun.com/document_detail/32023.html
 * @param bucket   必传：存储空间名称
 * @param endpoint 必传：存储空间所属地域的访问域名
 * @param isImg    必传：获取的文件是否为图片
 * @param process  选传：（isImg=true时必传）图片的x-oss-process参数值（传空则返回原图），举例：image/resize,p_50表示将图按比例缩略到原来的1/2
 * @param timeout  必传：有效时长，单位：分钟
 * @return 返回文件的完整地址（浏览器可直接访问）
 * Comment by 玄玉<https://jadyer.cn/> on 2018/4/9 17:23.
 */
public static String getFileURL(String endpoint, String accessKeyId, String accessKeySecret, String bucket, String key, boolean isImg, String process, int timeout) {
    LogUtil.getLogger().info("获取文件临时URL，请求ossKey=[{}]，process=[{}], timeout=[{}]min", key, process, timeout);
    OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
    try {
        GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucket, key, HttpMethod.GET);
        req.setExpiration(DateUtils.addMinutes(new Date(), timeout));
        if(isImg){
            req.setProcess(StringUtils.isNotBlank(process) ? process : "image/resize,p_100");
        }
        String imgURL = ossClient.generatePresignedUrl(req).toString();
        imgURL = imgURL.startsWith("http://") ? imgURL.replace("http://", "https://") : imgURL;
        LogUtil.getLogger().info("获取文件临时URL，请求ossKey=[{}]，应答fileUrl=[{}]", key, imgURL);
        return imgURL;
    } catch (OSSException oe) {
        throw new SeedException("获取文件临时URL，OSS服务端异常，RequestID="+oe.getRequestId() + "，HostID="+oe.getHostId() + "，Code="+oe.getErrorCode() + "，Message="+oe.getMessage());
    } catch (ClientException ce) {
        throw new SeedException("获取文件临时URL，OSS客户端异常，RequestID="+ce.getRequestId() + "，Code="+ce.getErrorCode() + "，Message="+ce.getMessage());
    } catch (Throwable e) {
        throw new SeedException("获取文件临时URL，OSS未知异常：" + e.getMessage());
    } finally {
        if(null != ossClient){
            ossClient.shutdown();
        }
    }
}
 

@Override
public String doSaveFileStore(final MultipartFile file) {
    final OSS ossClient = new OSSClientBuilder()
            .build(ConfigCache.getConfig(Constants.ALIYUN_OSS_ENDPOINT),
                    ConfigCache.getConfig(Constants.ALIYUN_OSS_ACCESS_KEY),
                    ConfigCache.getConfig(Constants.ALIYUN_OSS_SECRET_KEY));
    try {
        final String fileName = FileUtil.createSingleFilePath(ConfigCache.getConfig(Constants.ALIYUN_OSS_PATH), file.getOriginalFilename());
        final PutObjectRequest putObjectRequest = new PutObjectRequest(ConfigCache.getConfig(Constants.ALIYUN_OSS_BUCKET), fileName, file.getInputStream());
        final ObjectMetadata metadata = new ObjectMetadata();
        metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
        putObjectRequest.setMetadata(metadata);
        ossClient.putObject(putObjectRequest);
        return ConfigCache.getConfig(Constants.ALIYUN_OSS_IMAGE_DOMAIN) + fileName;
    } catch (final IOException e) {
        return "";
    } finally {
        if (ossClient != null) {
            ossClient.shutdown();
        }
    }
}
 

/**
 * 文件上传
 *
 * @param multipartFile @{code MultipartFile}
 * @return {@link ResponseResult<FileInfo>} 文件上传路径
 */
@PostMapping(value = "")
public ResponseResult<FileInfo> upload(MultipartFile multipartFile) {
    String fileName = multipartFile.getOriginalFilename();
    String suffix = fileName.substring(fileName.lastIndexOf(".") + 1);
    String newName = UUID.randomUUID() + "." + suffix;

    OSS client = new OSSClientBuilder().build(ENDPOINT, ACCESS_KEY_ID, ACCESS_KEY_SECRET);

    try {
        client.putObject(new PutObjectRequest(BUCKET_NAME, newName, new ByteArrayInputStream(multipartFile.getBytes())));
        // 上传文件路径 = http://BUCKET_NAME.ENDPOINT/自定义路径/fileName
        return new ResponseResult<FileInfo>(ResponseResult.CodeStatus.OK, "文件上传成功", new FileInfo("http://" + BUCKET_NAME + "." + ENDPOINT + "/" + newName));
    } catch (IOException e) {
        return new ResponseResult<FileInfo>(ResponseResult.CodeStatus.FAIL, "文件上传失败，请重试");
    } finally {
        client.shutdown();
    }
}
 

public static void main(String[] args) throws IOException {
	OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

	try {
		UploadFileRequest uploadFileRequest = new UploadFileRequest(bucketName, key);
		// The local file to upload---it must exist.
		uploadFileRequest.setUploadFile(uploadFile);
		// Sets the concurrent upload task number to 5.
		uploadFileRequest.setTaskNum(5);
		// Sets the part size to 1MB.
		uploadFileRequest.setPartSize(1024 * 1024 * 1);
		// Enables the checkpoint file. By default it's off.
		uploadFileRequest.setEnableCheckpoint(true);

		UploadFileResult uploadResult = ossClient.uploadFile(uploadFileRequest);

		CompleteMultipartUploadResult multipartUploadResult = uploadResult.getMultipartUploadResult();
		System.out.println(multipartUploadResult.getETag());

	} catch (OSSException oe) {
		System.out.println("Caught an OSSException, which means your request made it to OSS, "
				+ "but was rejected with an error response for some reason.");
		System.out.println("Error Message: " + oe.getErrorMessage());
		System.out.println("Error Code:       " + oe.getErrorCode());
		System.out.println("Request ID:      " + oe.getRequestId());
		System.out.println("Host ID:           " + oe.getHostId());
	} catch (ClientException ce) {
		System.out.println("Caught an ClientException, which means the client encountered "
				+ "a serious internal problem while trying to communicate with OSS, "
				+ "such as not being able to access the network.");
		System.out.println("Error Message: " + ce.getMessage());
	} catch (Throwable e) {
		e.printStackTrace();
	} finally {
		ossClient.shutdown();
	}
}
 

/**
 * 文件下载
 * @param bucket   存储空间名称
 * @param endpoint 存储空间所属地域的访问域名
 * @param localURL 保存在本地的包含完整路径和后缀的完整文件名，若传空则默认放到Java临时目录中
 * @return localURL（若文件不存在则返回OSSUtil.NO_FILE）
 * Comment by 玄玉<https://jadyer.cn/> on 2018/4/9 17:24.
 */
public static String download(String bucket, String endpoint, String key, String accessKeyId, String accessKeySecret, String localURL) {
    if(StringUtils.isBlank(localURL)){
        //若未传localURL，则把下载到的文件放到Java临时目录
        localURL = System.getProperty("java.io.tmpdir") + "/ossutil-download/" + key;
        ////若文件名称不含后缀，那就主动添加后缀
        //if("".equals(FilenameUtils.getExtension(key))){
        //    localURL += ".txt";
        //}
    }
    OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
    try {
        if(!ossClient.doesObjectExist(bucket, key)){
            return OSSUtil.NO_FILE;
        }
        //ossClient.getObject(new GetObjectRequest(bucket, key), new File(localURL));
        InputStream is = ossClient.getObject(bucket, key).getObjectContent();
        FileUtils.copyInputStreamToFile(is, new File(localURL));
        return localURL;
    } catch (OSSException oe) {
        throw new SeedException("文件下载，OSS服务端异常，RequestID="+oe.getRequestId() + "，HostID="+oe.getHostId() + "，Code="+oe.getErrorCode() + "，Message="+oe.getMessage());
    } catch (ClientException ce) {
        throw new SeedException("文件下载，OSS客户端异常，RequestID="+ce.getRequestId() + "，Code="+ce.getErrorCode() + "，Message="+ce.getMessage());
    } catch (Throwable e) {
        throw new SeedException("文件下载，OSS未知异常：" + e.getMessage());
    } finally {
        if(null != ossClient){
            ossClient.shutdown();
        }
    }
}
 

private <R> R doOssOperation(Function<OSS, R> function, boolean shutdownClient) {
    OSS ossClient = aliOSSApi.getOSSClient();
    R result = function.apply(ossClient);
    if (shutdownClient) {
        ossClient.shutdown();
    }
    return result;
}
 

@Override
protected void delete(List<FileDeleteDO> list, FileDeleteDO file) {
    FileServerProperties.Ali ali = fileProperties.getAli();
    String bucketName = ali.getBucketName();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());
    ossClient.deleteObject(bucketName, file.getRelativePath() + StrPool.SLASH + file.getFileName());
    ossClient.shutdown();
}
 

@Override
protected void uploadFile(File file, MultipartFile multipartFile) throws Exception {
    FileServerProperties.Ali ali = fileProperties.getAli();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());
    String bucketName = ali.getBucketName();
    if (!ossClient.doesBucketExist(bucketName)) {
        ossClient.createBucket(bucketName);
    }

    //生成文件名
    String fileName = StrUtil.join(StrPool.EMPTY, UUID.randomUUID().toString(), StrPool.DOT, file.getExt());
    //日期文件夹
    String tenant = BaseContextHandler.getTenant();
    String relativePath = tenant + StrPool.SLASH + LocalDate.now().format(DateTimeFormatter.ofPattern(DEFAULT_MONTH_FORMAT_SLASH));
    // web服务器存放的绝对路径
    String relativeFileName = relativePath + StrPool.SLASH + fileName;

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentDisposition("attachment;fileName=" + file.getSubmittedFileName());
    metadata.setContentType(file.getContextType());
    PutObjectRequest request = new PutObjectRequest(bucketName, relativeFileName, multipartFile.getInputStream(), metadata);
    PutObjectResult result = ossClient.putObject(request);

    log.info("result={}", JSONObject.toJSONString(result));

    String url = ali.getUriPrefix() + relativeFileName;
    file.setUrl(StrUtil.replace(url, "\\\\", StrPool.SLASH));
    file.setFilename(fileName);
    file.setRelativePath(relativePath);

    file.setGroup(result.getETag());
    file.setPath(result.getRequestId());

    ossClient.shutdown();
}
 

public static void main(String[] args) throws IOException {

		OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

		try {
			DownloadFileRequest downloadFileRequest = new DownloadFileRequest(bucketName, key);
			// Sets the local file to download to
			downloadFileRequest.setDownloadFile(downloadFile);
			// Sets the concurrent task thread count 5. By default it's 1.
			downloadFileRequest.setTaskNum(5);
			// Sets the part size, by default it's 100K.
			downloadFileRequest.setPartSize(1024 * 1024 * 1);
			// Enable checkpoint. By default it's false.
			downloadFileRequest.setEnableCheckpoint(true);

			DownloadFileResult downloadResult = ossClient.downloadFile(downloadFileRequest);

			ObjectMetadata objectMetadata = downloadResult.getObjectMetadata();
			System.out.println(objectMetadata.getETag());
			System.out.println(objectMetadata.getLastModified());
			System.out.println(objectMetadata.getUserMetadata().get("meta"));

		} catch (OSSException oe) {
			System.out.println("Caught an OSSException, which means your request made it to OSS, "
					+ "but was rejected with an error response for some reason.");
			System.out.println("Error Message: " + oe.getErrorMessage());
			System.out.println("Error Code:       " + oe.getErrorCode());
			System.out.println("Request ID:      " + oe.getRequestId());
			System.out.println("Host ID:           " + oe.getHostId());
		} catch (ClientException ce) {
			System.out.println("Caught an ClientException, which means the client encountered "
					+ "a serious internal problem while trying to communicate with OSS, "
					+ "such as not being able to access the network.");
			System.out.println("Error Message: " + ce.getMessage());
		} catch (Throwable e) {
			e.printStackTrace();
		} finally {
			ossClient.shutdown();
		}
	}
 

@Override
protected void delete(List<FileDeleteDO> list, FileDeleteDO file) {
    FileServerProperties.Ali ali = fileProperties.getAli();
    String bucketName = ali.getBucketName();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());
    ossClient.deleteObject(bucketName, file.getRelativePath() + StrPool.SLASH + file.getFileName());
    ossClient.shutdown();
}
 

@Override
protected void uploadFile(File file, MultipartFile multipartFile) throws Exception {
    FileServerProperties.Ali ali = fileProperties.getAli();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());
    String bucketName = ali.getBucketName();
    if (!ossClient.doesBucketExist(bucketName)) {
        ossClient.createBucket(bucketName);
    }

    //生成文件名
    String fileName = StrUtil.join(StrPool.EMPTY, UUID.randomUUID().toString(), StrPool.DOT, file.getExt());
    //日期文件夹
    String tenant = BaseContextHandler.getTenant();
    String relativePath = tenant + StrPool.SLASH + LocalDate.now().format(DateTimeFormatter.ofPattern(DEFAULT_MONTH_FORMAT_SLASH));
    // web服务器存放的绝对路径
    String relativeFileName = relativePath + StrPool.SLASH + fileName;

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentDisposition("attachment;fileName=" + file.getSubmittedFileName());
    metadata.setContentType(file.getContextType());
    PutObjectRequest request = new PutObjectRequest(bucketName, relativeFileName, multipartFile.getInputStream(), metadata);
    PutObjectResult result = ossClient.putObject(request);

    log.info("result={}", JSONObject.toJSONString(result));

    String url = ali.getUriPrefix() + relativeFileName;
    file.setUrl(StrUtil.replace(url, "\\\\", StrPool.SLASH));
    file.setFilename(fileName);
    file.setRelativePath(relativePath);

    file.setGroup(result.getETag());
    file.setPath(result.getRequestId());

    ossClient.shutdown();
}
 

@Test
public void testUpload() {
    // 创建一个访问 OSS 的实例
    OSS client = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

    try {
        // 文件上传
        System.out.println("Uploading a new object to OSS from an input stream\n");
        String content = "Thank you for using Aliyun Object Storage Service";
        client.putObject(bucketName, key, new ByteArrayInputStream(content.getBytes()));

        System.out.println("Uploading a new object to OSS from a file\n");
        client.putObject(new PutObjectRequest(bucketName, key, createSampleFile()));

        // 文件下载
        System.out.println("Downloading an object");
        OSSObject object = client.getObject(new GetObjectRequest(bucketName, key));
        System.out.println("Content-Type: " + object.getObjectMetadata().getContentType());
        displayTextInputStream(object.getObjectContent());
    } catch (OSSException oe) {
        System.out.println("Caught an OSSException, which means your request made it to OSS, "
                + "but was rejected with an error response for some reason.");
        System.out.println("Error Message: " + oe.getErrorCode());
        System.out.println("Error Code:       " + oe.getErrorCode());
        System.out.println("Request ID:      " + oe.getRequestId());
        System.out.println("Host ID:           " + oe.getHostId());
    } catch (ClientException ce) {
        System.out.println("Caught an ClientException, which means the client encountered "
                + "a serious internal problem while trying to communicate with OSS, "
                + "such as not being able to access the network.");
        System.out.println("Error Message: " + ce.getMessage());
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        client.shutdown();
    }
}
 

public static void main(String[] args) throws IOException {
	/*
	 * Constructs a client instance with your account for accessing OSS
	 */
	OSS client = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

	try {

		/**
		 * Note that there are two ways of uploading an object to your
		 * bucket, the one by specifying an input stream as content source,
		 * the other by specifying a file.
		 */

		/*
		 * Upload an object to your bucket from an input stream
		 */
		System.out.println("Uploading a new object to OSS from an input stream\n");
		String content = "Thank you for using Aliyun Object Storage Service";
		client.putObject(bucketName, key, new ByteArrayInputStream(content.getBytes()));

		/*
		 * Upload an object to your bucket from a file
		 */
		System.out.println("Uploading a new object to OSS from a file\n");
		client.putObject(new PutObjectRequest(bucketName, key, createSampleFile()));

		/*
		 * Download an object from your bucket
		 */
		System.out.println("Downloading an object");
		OSSObject object = client.getObject(new GetObjectRequest(bucketName, key));
		System.out.println("ObjectKey: " + object.getKey());
		System.out.println("ClientCRC: " + object.getClientCRC());
		System.out.println("ServerCRC: " + object.getServerCRC());
		System.out.println("Content-Type: " + object.getObjectMetadata().getContentType());
		displayTextInputStream(object.getObjectContent());

	} catch (OSSException oe) {
		System.out.println("Caught an OSSException, which means your request made it to OSS, "
				+ "but was rejected with an error response for some reason.");
		System.out.println("Error Message: " + oe.getErrorMessage());
		System.out.println("Error Code:       " + oe.getErrorCode());
		System.out.println("Request ID:      " + oe.getRequestId());
		System.out.println("Host ID:           " + oe.getHostId());
	} catch (ClientException ce) {
		System.out.println("Caught an ClientException, which means the client encountered "
				+ "a serious internal problem while trying to communicate with OSS, "
				+ "such as not being able to access the network.");
		System.out.println("Error Message: " + ce.getMessage());
	} finally {
		/*
		 * Do not forget to shut down the client finally to release all
		 * allocated resources.
		 */
		client.shutdown();
	}
}
 

/**
  * create by: iizvv
  * description: 上传文件
  * create time: 2019-07-24 10:27
  
  * @return 
  */
public void uploadFile(File file, String objName, Boolean isTemp) {
    String bucket = isTemp==true?Config.aliTempBucket:Config.aliMainBucket;
    OSS ossClient = new OSSClientBuilder().build(Config.vpcEndpoint, Config.accessKeyID, Config.accessKeySecret);
    InitiateMultipartUploadRequest request = new InitiateMultipartUploadRequest(bucket, objName);
    InitiateMultipartUploadResult result = ossClient.initiateMultipartUpload(request);
    String uploadId = result.getUploadId();
    List<PartETag> partETags =  new ArrayList<PartETag>();
    final long partSize = 4 * 1024 * 1024L;
    long fileLength = file.length();
    int partCount = (int) (fileLength / partSize);
    if (fileLength % partSize != 0) {
        partCount++;
    }
    for (int i = 0; i < partCount; i++) {
        long startPos = i * partSize;
        long curPartSize = (i + 1 == partCount) ? (fileLength - startPos) : partSize;
        InputStream instream = null;
        try {
            instream = new FileInputStream(file);
            // 跳过已经上传的分片。
            instream.skip(startPos);
            UploadPartRequest uploadPartRequest = new UploadPartRequest();
            uploadPartRequest.setBucketName(bucket);
            uploadPartRequest.setKey(objName);
            uploadPartRequest.setUploadId(uploadId);
            uploadPartRequest.setInputStream(instream);
            // 设置分片大小。除了最后一个分片没有大小限制，其他的分片最小为100KB。
            uploadPartRequest.setPartSize(curPartSize);
            // 设置分片号。每一个上传的分片都有一个分片号，取值范围是1~10000，如果超出这个范围，OSS将返回InvalidArgument的错误码。
            uploadPartRequest.setPartNumber( i + 1);
            // 每个分片不需要按顺序上传，甚至可以在不同客户端上传，OSS会按照分片号排序组成完整的文件。
            UploadPartResult uploadPartResult = ossClient.uploadPart(uploadPartRequest);
            // 每次上传分片之后，OSS的返回结果会包含一个PartETag。PartETag将被保存到partETags中。
            partETags.add(uploadPartResult.getPartETag());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    Collections.sort(partETags, new Comparator<PartETag>() {
        public int compare(PartETag p1, PartETag p2) {
            return p1.getPartNumber() - p2.getPartNumber();
        }
    });
    CompleteMultipartUploadRequest completeMultipartUploadRequest =
            new CompleteMultipartUploadRequest(bucket, objName, uploadId, partETags);
    ossClient.completeMultipartUpload(completeMultipartUploadRequest);
    ossClient.shutdown();
}
 

@Override
protected R<File> merge(List<java.io.File> files, String path, String fileName, FileChunksMergeDTO info) throws IOException {
    FileServerProperties.Ali ali = fileProperties.getAli();
    String bucketName = ali.getBucketName();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());

    //日期文件夹
    String relativePath = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy/MM"));
    // web服务器存放的绝对路径
    String relativeFileName = relativePath + StrPool.SLASH + fileName;

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentDisposition("attachment;fileName=" + info.getSubmittedFileName());
    metadata.setContentType(info.getContextType());
    //步骤1：初始化一个分片上传事件。
    InitiateMultipartUploadRequest request = new InitiateMultipartUploadRequest(bucketName, relativeFileName, metadata);
    InitiateMultipartUploadResult result = ossClient.initiateMultipartUpload(request);
    // 返回uploadId，它是分片上传事件的唯一标识，您可以根据这个ID来发起相关的操作，如取消分片上传、查询分片上传等。
    String uploadId = result.getUploadId();

    // partETags是PartETag的集合。PartETag由分片的ETag和分片号组成。
    List<PartETag> partETags = new ArrayList<PartETag>();
    for (int i = 0; i < files.size(); i++) {
        java.io.File file = files.get(i);
        FileInputStream in = FileUtils.openInputStream(file);

        UploadPartRequest uploadPartRequest = new UploadPartRequest();
        uploadPartRequest.setBucketName(bucketName);
        uploadPartRequest.setKey(relativeFileName);
        uploadPartRequest.setUploadId(uploadId);
        uploadPartRequest.setInputStream(in);
        // 设置分片大小。除了最后一个分片没有大小限制，其他的分片最小为100KB。
        uploadPartRequest.setPartSize(file.length());
        // 设置分片号。每一个上传的分片都有一个分片号，取值范围是1~10000，如果超出这个范围，OSS将返回InvalidArgument的错误码。
        uploadPartRequest.setPartNumber(i + 1);

        // 每个分片不需要按顺序上传，甚至可以在不同客户端上传，OSS会按照分片号排序组成完整的文件。
        UploadPartResult uploadPartResult = ossClient.uploadPart(uploadPartRequest);

        // 每次上传分片之后，OSS的返回结果会包含一个PartETag。PartETag将被保存到partETags中。
        partETags.add(uploadPartResult.getPartETag());
    }

    /* 步骤3：完成分片上传。 */
    // 排序。partETags必须按分片号升序排列。
    partETags.sort(Comparator.comparingInt(PartETag::getPartNumber));

    // 在执行该操作时，需要提供所有有效的partETags。OSS收到提交的partETags后，会逐一验证每个分片的有效性。当所有的数据分片验证通过后，OSS将把这些分片组合成一个完整的文件。
    CompleteMultipartUploadRequest completeMultipartUploadRequest =
            new CompleteMultipartUploadRequest(bucketName, relativeFileName, uploadId, partETags);

    CompleteMultipartUploadResult uploadResult = ossClient.completeMultipartUpload(completeMultipartUploadRequest);

    String url = new StringBuilder(ali.getUriPrefix())
            .append(relativePath)
            .append(StrPool.SLASH)
            .append(fileName)
            .toString();
    File filePo = File.builder()
            .relativePath(relativePath)
            .group(uploadResult.getETag())
            .path(uploadResult.getRequestId())
            .url(StringUtils.replace(url, "\\\\", StrPool.SLASH))
            .build();

    // 关闭OSSClient。
    ossClient.shutdown();
    return R.success(filePo);
}
 

@Override
protected void copyFile(File file) {
    FileServerProperties.Ali ali = fileProperties.getAli();
    String sourceBucketName = ali.getBucketName();
    String destinationBucketName = ali.getBucketName();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());

    String sourceObjectName = file.getRelativePath() + StrPool.SLASH + file.getFilename();
    String fileName = UUID.randomUUID().toString() + StrPool.DOT + file.getExt();
    String destinationObjectName = file.getRelativePath() + StrPool.SLASH + fileName;
    ObjectMetadata objectMetadata = ossClient.getObjectMetadata(sourceBucketName, sourceObjectName);
    // 获取被拷贝文件的大小。

    // 获取被拷贝文件的大小。
    long contentLength = objectMetadata.getContentLength();

    // 设置分片大小为10MB。
    long partSize = 1024 * 1024 * 10;

    // 计算分片总数。
    int partCount = (int) (contentLength / partSize);
    if (contentLength % partSize != 0) {
        partCount++;
    }
    log.info("total part count:{}", partCount);

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentDisposition("attachment;fileName=" + file.getSubmittedFileName());
    metadata.setContentType(file.getContextType());
    // 初始化拷贝任务。可以通过InitiateMultipartUploadRequest指定目标文件元信息。
    InitiateMultipartUploadRequest initiateMultipartUploadRequest = new InitiateMultipartUploadRequest(destinationBucketName, destinationObjectName, metadata);
    InitiateMultipartUploadResult initiateMultipartUploadResult = ossClient.initiateMultipartUpload(initiateMultipartUploadRequest);
    String uploadId = initiateMultipartUploadResult.getUploadId();

    // 分片拷贝。
    List<PartETag> partETags = new ArrayList<>();
    for (int i = 0; i < partCount; i++) {
        // 计算每个分片的大小。
        long skipBytes = partSize * i;
        long size = partSize < contentLength - skipBytes ? partSize : contentLength - skipBytes;

        // 创建UploadPartCopyRequest。可以通过UploadPartCopyRequest指定限定条件。
        UploadPartCopyRequest uploadPartCopyRequest =
                new UploadPartCopyRequest(sourceBucketName, sourceObjectName, destinationBucketName, destinationObjectName);
        uploadPartCopyRequest.setUploadId(uploadId);
        uploadPartCopyRequest.setPartSize(size);
        uploadPartCopyRequest.setBeginIndex(skipBytes);
        uploadPartCopyRequest.setPartNumber(i + 1);
        UploadPartCopyResult uploadPartCopyResult = ossClient.uploadPartCopy(uploadPartCopyRequest);

        // 将返回的分片ETag保存到partETags中。
        partETags.add(uploadPartCopyResult.getPartETag());
    }

    // 提交分片拷贝任务。
    CompleteMultipartUploadRequest completeMultipartUploadRequest = new CompleteMultipartUploadRequest(
            destinationBucketName, destinationObjectName, uploadId, partETags);
    ossClient.completeMultipartUpload(completeMultipartUploadRequest);

    String url = new StringBuilder(ali.getUriPrefix())
            .append(file.getRelativePath())
            .append(StrPool.SLASH)
            .append(fileName)
            .toString();
    file.setUrl(StringUtils.replace(url, "\\\\", StrPool.SLASH));
    file.setFilename(fileName);

    // 关闭OSSClient。
    ossClient.shutdown();
}
 

@Override
protected R<File> merge(List<java.io.File> files, String path, String fileName, FileChunksMergeDTO info) throws IOException {
    FileServerProperties.Ali ali = fileProperties.getAli();
    String bucketName = ali.getBucketName();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());

    //日期文件夹
    String relativePath = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy/MM"));
    // web服务器存放的绝对路径
    String relativeFileName = relativePath + StrPool.SLASH + fileName;

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentDisposition("attachment;fileName=" + info.getSubmittedFileName());
    metadata.setContentType(info.getContextType());
    //步骤1：初始化一个分片上传事件。
    InitiateMultipartUploadRequest request = new InitiateMultipartUploadRequest(bucketName, relativeFileName, metadata);
    InitiateMultipartUploadResult result = ossClient.initiateMultipartUpload(request);
    // 返回uploadId，它是分片上传事件的唯一标识，您可以根据这个ID来发起相关的操作，如取消分片上传、查询分片上传等。
    String uploadId = result.getUploadId();

    // partETags是PartETag的集合。PartETag由分片的ETag和分片号组成。
    List<PartETag> partETags = new ArrayList<PartETag>();
    for (int i = 0; i < files.size(); i++) {
        java.io.File file = files.get(i);
        FileInputStream in = FileUtils.openInputStream(file);

        UploadPartRequest uploadPartRequest = new UploadPartRequest();
        uploadPartRequest.setBucketName(bucketName);
        uploadPartRequest.setKey(relativeFileName);
        uploadPartRequest.setUploadId(uploadId);
        uploadPartRequest.setInputStream(in);
        // 设置分片大小。除了最后一个分片没有大小限制，其他的分片最小为100KB。
        uploadPartRequest.setPartSize(file.length());
        // 设置分片号。每一个上传的分片都有一个分片号，取值范围是1~10000，如果超出这个范围，OSS将返回InvalidArgument的错误码。
        uploadPartRequest.setPartNumber(i + 1);

        // 每个分片不需要按顺序上传，甚至可以在不同客户端上传，OSS会按照分片号排序组成完整的文件。
        UploadPartResult uploadPartResult = ossClient.uploadPart(uploadPartRequest);

        // 每次上传分片之后，OSS的返回结果会包含一个PartETag。PartETag将被保存到partETags中。
        partETags.add(uploadPartResult.getPartETag());
    }

    /* 步骤3：完成分片上传。 */
    // 排序。partETags必须按分片号升序排列。
    partETags.sort(Comparator.comparingInt(PartETag::getPartNumber));

    // 在执行该操作时，需要提供所有有效的partETags。OSS收到提交的partETags后，会逐一验证每个分片的有效性。当所有的数据分片验证通过后，OSS将把这些分片组合成一个完整的文件。
    CompleteMultipartUploadRequest completeMultipartUploadRequest =
            new CompleteMultipartUploadRequest(bucketName, relativeFileName, uploadId, partETags);

    CompleteMultipartUploadResult uploadResult = ossClient.completeMultipartUpload(completeMultipartUploadRequest);

    String url = new StringBuilder(ali.getUriPrefix())
            .append(relativePath)
            .append(StrPool.SLASH)
            .append(fileName)
            .toString();
    File filePo = File.builder()
            .relativePath(relativePath)
            .group(uploadResult.getETag())
            .path(uploadResult.getRequestId())
            .url(StringUtils.replace(url, "\\\\", StrPool.SLASH))
            .build();

    // 关闭OSSClient。
    ossClient.shutdown();
    return R.success(filePo);
}
 

@Override
protected void copyFile(File file) {
    FileServerProperties.Ali ali = fileProperties.getAli();
    String sourceBucketName = ali.getBucketName();
    String destinationBucketName = ali.getBucketName();
    OSS ossClient = new OSSClientBuilder().build(ali.getEndpoint(), ali.getAccessKeyId(),
            ali.getAccessKeySecret());

    String sourceObjectName = file.getRelativePath() + StrPool.SLASH + file.getFilename();
    String fileName = UUID.randomUUID().toString() + StrPool.DOT + file.getExt();
    String destinationObjectName = file.getRelativePath() + StrPool.SLASH + fileName;
    ObjectMetadata objectMetadata = ossClient.getObjectMetadata(sourceBucketName, sourceObjectName);
    // 获取被拷贝文件的大小。

    // 获取被拷贝文件的大小。
    long contentLength = objectMetadata.getContentLength();

    // 设置分片大小为10MB。
    long partSize = 1024 * 1024 * 10;

    // 计算分片总数。
    int partCount = (int) (contentLength / partSize);
    if (contentLength % partSize != 0) {
        partCount++;
    }
    log.info("total part count:{}", partCount);

    ObjectMetadata metadata = new ObjectMetadata();
    metadata.setContentDisposition("attachment;fileName=" + file.getSubmittedFileName());
    metadata.setContentType(file.getContextType());
    // 初始化拷贝任务。可以通过InitiateMultipartUploadRequest指定目标文件元信息。
    InitiateMultipartUploadRequest initiateMultipartUploadRequest = new InitiateMultipartUploadRequest(destinationBucketName, destinationObjectName, metadata);
    InitiateMultipartUploadResult initiateMultipartUploadResult = ossClient.initiateMultipartUpload(initiateMultipartUploadRequest);
    String uploadId = initiateMultipartUploadResult.getUploadId();

    // 分片拷贝。
    List<PartETag> partETags = new ArrayList<>();
    for (int i = 0; i < partCount; i++) {
        // 计算每个分片的大小。
        long skipBytes = partSize * i;
        long size = partSize < contentLength - skipBytes ? partSize : contentLength - skipBytes;

        // 创建UploadPartCopyRequest。可以通过UploadPartCopyRequest指定限定条件。
        UploadPartCopyRequest uploadPartCopyRequest =
                new UploadPartCopyRequest(sourceBucketName, sourceObjectName, destinationBucketName, destinationObjectName);
        uploadPartCopyRequest.setUploadId(uploadId);
        uploadPartCopyRequest.setPartSize(size);
        uploadPartCopyRequest.setBeginIndex(skipBytes);
        uploadPartCopyRequest.setPartNumber(i + 1);
        UploadPartCopyResult uploadPartCopyResult = ossClient.uploadPartCopy(uploadPartCopyRequest);

        // 将返回的分片ETag保存到partETags中。
        partETags.add(uploadPartCopyResult.getPartETag());
    }

    // 提交分片拷贝任务。
    CompleteMultipartUploadRequest completeMultipartUploadRequest = new CompleteMultipartUploadRequest(
            destinationBucketName, destinationObjectName, uploadId, partETags);
    ossClient.completeMultipartUpload(completeMultipartUploadRequest);

    String url = new StringBuilder(ali.getUriPrefix())
            .append(file.getRelativePath())
            .append(StrPool.SLASH)
            .append(fileName)
            .toString();
    file.setUrl(StringUtils.replace(url, "\\\\", StrPool.SLASH));
    file.setFilename(fileName);

    // 关闭OSSClient。
    ossClient.shutdown();
}
 

/**
  * create by: iizvv
  * description: 字节数组方式上传文件
  * create time: 2019-07-24 11:14

  * @return void
  */
public void uploadFile(byte[] bytes, String objName, Boolean isTemp) {
    String bucket = isTemp==true?Config.aliTempBucket:Config.aliMainBucket;
    OSS ossClient = new OSSClientBuilder().build(Config.vpcEndpoint, Config.accessKeyID, Config.accessKeySecret);
    ossClient.putObject(bucket, objName, new ByteArrayInputStream(bytes));
    ossClient.shutdown();
}