复制对象

使用 copyObject 接口拷贝某一个桶中的对象到另外一个指定的桶中。

以下代码展示如何复制某一个桶中的对象：

bool S3Demo::CopyObject()
{
  const Aws::String bucket_source = s3_bucket_name;
  const Aws::String bucket_dest = s3_bucket_name;
  const Aws::String object_source = "ExampleObject.txt";
  const Aws::String object_dest = "ExampleObject1.txt";

  Aws::S3::Model::CopyObjectRequest request;
  request.SetBucket(bucket_dest);
  request.SetKey(object_dest);
  request.SetCopySource(bucket_source + "/" + object_source); // 注意这个参数

  Aws::S3::Model::CopyObjectOutcome outcome = s3_client->CopyObject(request);
  if (outcome.IsSuccess()) {
    std::cout << "CopyObject " << object_source << " to " << object_dest << std::endl;
    return true;
  }
  else {
    Aws::S3::S3Error err = outcome.GetError();
    std::cout << "Error: CopyObject: " << (int)err.GetResponseCode() << ", Message:" <<
      err.GetMessage() << std::endl;
    return false;
  }
}