/// 拷贝一个分片
public void UploadPartCopy()
{
//.cssg-snippet-body-start:[upload-part-copy]
try
{
string sourceAppid = "1250000000"; //账号 appid
string sourceBucket = "sourcebucket-1250000000"; //"源对象所在的存储桶
string sourceRegion = "COS_REGION"; //源对象的存储桶所在的地域
string sourceKey = "sourceObject"; //源对象键
//构造源对象属性
COSXML.Model.Tag.CopySourceStruct copySource = new CopySourceStruct(sourceAppid,
sourceBucket, sourceRegion, sourceKey);
string bucket = "examplebucket-1250000000"; //存储桶，格式：BucketName-APPID
string key = "exampleobject"; //对象键
string uploadId = this.uploadId; //初始化分块上传返回的uploadId
int partNumber = 1; //分块编号，必须从1开始递增
UploadPartCopyRequest request = new UploadPartCopyRequest(bucket, key,
partNumber, uploadId);
//设置拷贝源
request.SetCopySource(copySource);
//设置复制分块（指定块的范围，如 0 ~ 1M）
request.SetCopyRange(0, 1024 * 1024);
//执行请求
UploadPartCopyResult result = cosXml.PartCopy(request);
//请求成功
//获取返回分块的eTag,用于后续CompleteMultiUploads
this.eTag = result.copyObject.eTag;
Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
Console.WriteLine("CosClientException: " + clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
//.cssg-snippet-body-end
}