Aliyun.OSS.Test.TestClass.ObjectTestClass.ObjectMultipartUploadTest.MultipartUploadComplexStepTest C# (CSharp) Метод

        public void MultipartUploadComplexStepTest()
        {
            var sourceFile = Config.MultiUploadTestFile;
            //get target object name
            var targetObjectKey = OssTestUtils.GetObjectKey(_className);

            var initRequest = new InitiateMultipartUploadRequest(_bucketName, targetObjectKey);
            var initResult = _ossClient.InitiateMultipartUpload(initRequest);

            // 设置每块为 1M
            const int partSize = 1024 * 1024 * 1;

            var partFile = new FileInfo(sourceFile);
            // 计算分块数目
            var partCount = OssTestUtils.CalculatePartCount(partFile.Length, partSize);

            LogUtility.LogMessage("File {0} is splitted to {1} parts for multipart upload",
                sourceFile, partCount);

            // 新建一个List保存每个分块上传后的ETag和PartNumber
            var partETags = new List<PartETag>();
            //upload the file
            using (var fs = new FileStream(partFile.FullName, FileMode.Open))
            {
                for (var i = 0; i < partCount; i++)
                {
                    // 跳到每个分块的开头
                    long skipBytes = partSize*i;
                    fs.Position = skipBytes;

                    // 计算每个分块的大小
                    var size = partSize < partFile.Length - skipBytes
                        ? partSize
                        : partFile.Length - skipBytes;

                    // 创建UploadPartRequest，上传分块
                    var uploadPartRequest = new UploadPartRequest(_bucketName, targetObjectKey, initResult.UploadId)
                    {
                        InputStream = fs,
                        PartSize = size,
                        PartNumber = (i + 1)
                    };
                    var uploadPartResult = _ossClient.UploadPart(uploadPartRequest);

                    // 将返回的PartETag保存到List中。
                    partETags.Add(uploadPartResult.PartETag);
                }
            }

            var lmuRequest = new ListMultipartUploadsRequest(_bucketName);
            var lmuListing = _ossClient.ListMultipartUploads(lmuRequest);
            string mpUpload = null;
            foreach (var t in lmuListing.MultipartUploads)
            {
                if (t.UploadId == initResult.UploadId)
                    mpUpload = t.UploadId;
            }

            Assert.IsNotNull(mpUpload, "The multipart uploading should be in progress");

            var completeRequest = new CompleteMultipartUploadRequest(_bucketName, targetObjectKey, initResult.UploadId);
            foreach (var partETag in partETags)
            {
                completeRequest.PartETags.Add(partETag);
            }
            _ossClient.CompleteMultipartUpload(completeRequest);

            Assert.IsTrue(OssTestUtils.ObjectExists(_ossClient, _bucketName, targetObjectKey));

            //delete the object
            _ossClient.DeleteObject(_bucketName, targetObjectKey);
        }