All Products
Search
Document Center

Drive and Photo Service:UploadPartInfo

Last Updated:Aug 04, 2025
ParameterTypeDescriptionExample
object

The information about the file part.

part_numberinteger

The serial number of the file part.

1
part_sizelong

This parameter is discontinued.

1024
upload_urlstring

The upload URL. By default, the validity period of the URL is 15 minutes. If the URL expires, you must call the GetUploadUrl operation to obtain another URL. If the intelligent domain name feature is enabled, the internal_upload_url value is returned within the parameter based on the request.

https://data.aliyunpds.com/xxx/xxx?Expires=xxx&OSSAccessKeyId=xxx&Signature=xxx&partNumber=1&uploadId=0CC175B9C0F1B6A831C399E269772661
internal_upload_urlstring

The internal upload URL that is used for internal access over a virtual private cloud (VPC). If the intelligent domain name feature is enabled, this parameter is not required. This parameter is returned in the upload_url parameter based on the request. If you want to use this parameter, contact Photo and Drive Service (PDS) technical support.

https://data-vpc.aliyunpds.com/xxx/xxx?Expires=xxx&OSSAccessKeyId=xxx&Signature=xxx&partNumber=1&uploadId=0CC175B9C0F1B6A831C399E269772661
etagstring

This parameter is discontinued.

"0CC175B9C0F1B6A831C399E269772661"
parallel_sha1_ctxobject

The Secure Hash Algorithm 1 (SHA-1) context of the previous part. This parameter takes effect only if the parallel upload feature is enabled.

harray

The first to fifth 32-bit variables in the SHA-1 context of the previous part. This parameter takes effect only if the parallel upload feature is enabled.

long
part_offsetlong

The total size of all the previous parts. Unit: bytes. The value must be a multiple of 64. This parameter takes effect only if the parallel upload feature is enabled.

10240
parallel_sha256_ctxobject

The SHA-256 context of the previous part.

harray

The first to eighth 32-bit variables in the SHA-256 context of the previous part.

long
part_offsetlong

The total size of all the previous parts. Unit: bytes. The value must be a multiple of 64.