You can call this operation to list all parts that have been uploaded using a specified upload ID.

Note
  • The results returned by OSS are listed in ascending order of their part numbers.
  • Errors may occur during network transmission. We recommend that you do not use the results (part numbers and ETag values) of ListParts to generate the final part list of CompleteMultipart.

Request syntax

Get  /ObjectName?uploadId=UploadId HTTP/1.1
Host: BucketName.oss-cn-hangzhou.aliyuncs.com
Date: GMT Date
Authorization: Signature

Request parameters

Parameter Type Description
uploadId String The ID of the multipart upload task.

Default value: null
max-parts Integer The maximum number of parts to list in the OSS response.

Default value: 1,000

Maximum value: 1,000
part-number-marker Integer The number of the part after which the listing begins. All parts with the part numbers greater than the value of this parameter are listed.

Default value: null
Encoding-type String The encoding type of the object name in the response. The object name can contain any characters encoded in UTF-8. However, the XML 1.0 standard cannot be used to parse certain control characters, such as characters with an ASCII value from 0 to 10. You can set the Encoding-type parameter to encode the returned object name. Set the value to url.

Default value: null

Valid value: url

Response elements

Element Type Description
ListPartsResult Container The container that stores the response to the ListParts request.

Child node: Bucket, Key, UploadId, PartNumberMarker, NextPartNumberMarker, MaxParts, IsTruncated, and Part

Parent node: none
Bucket String The name of the bucket.

Parent node: ListPartsResult
EncodingType String The encoding type of the object name in the response. If the Encoding-type parameter is specified in the request, the object name in the response is encoded.

Parent node: ListPartsResult
Key String The name of the object

Parent node: ListPartsResult
UploadId String The ID of the upload task.

Parent node: ListPartsResult
PartNumberMarker Integer The number of the part after which the listing begins. All parts with the part numbers greater than the value of this parameter are listed.

Parent node: ListPartsResult
NextPartNumberMarker Integer The number of the part after which the next listing begins. If the response does not contain all required results, all parts with the part numbers greater than the value of this parameter are listed.

Parent node: ListPartsResult
MaxParts Integer The maximum number of parts in the response.

Parent node: ListPartsResult
IsTruncated Boolean Indicates whether the list of parts returned in the response has been truncated. "true" indicates that the response does not contain all required results. "false" indicates that the response contains all required results.

Valid values: true and false

Parent node: ListPartsResult
Part String The container that stores information about the part.

Child node: PartNumber, LastModified, ETag, and Size

Parent node: ListPartsResult
PartNumber Integer The number that identifies a part.

Parent node: ListPartsResult.Part
LastModified Date The time when the part was uploaded.

Parent node: ListPartsResult.Part
ETag String The ETag value of the uploaded part.

Parent node: ListPartsResult.Part
Size Integer The size of the uploaded part.

Parent node: ListPartsResult.Part

Examples

Sample requests

Get  /multipart.data?uploadId=0004B999EF5A239BB9138C6227D69F95  HTTP/1.1
Host: oss-example.oss-cn-hangzhou.aliyuncs.com
Date: Thu, 23 Feb 2012 07:13:28 GMT
Authorization: OSS qn6qrrqxo2oawuk53otfjbyc:4qOnUMc9UQWqkz8wDqD3lIsa9P8=

Sample responses

HTTP/1.1 200 
Server: AliyunOSS
Connection: keep-alive
Content-length: 1221
Content-type: application/xml
x-oss-request-id: 106452c8-10ff-812d-736e-c865294afc1c
Date: Thu, 23 Feb 2012 07:13:28 GMT

<?xml version="1.0" encoding="UTF-8"?>
<ListPartsResult xmlns=”http://doc.oss-cn-hangzhou.aliyuncs.com”>
    <Bucket>multipart_upload</Bucket>
    <Key>multipart.data</Key>
    <UploadId>0004B999EF5A239BB9138C6227D69F95</UploadId>
    <NextPartNumberMarker>5</NextPartNumberMarker>
    <MaxParts>1000</MaxParts>
    <IsTruncated>false</IsTruncated>
    <Part>
        <PartNumber>1</PartNumber>
        <LastModified>2012-02-23T07:01:34.000Z</LastModified>
        <ETag>"3349DC700140D7F86A0784842780****"</ETag>
        <Size>6291456</Size>
    </Part>
    <Part>
        <PartNumber>2</PartNumber>
        <LastModified>2012-02-23T07:01:12.000Z</LastModified>
        <ETag>"3349DC700140D7F86A0784842780****"</ETag>
        <Size>6291456</Size>
    </Part>
    <Part>
        <PartNumber>5</PartNumber>
        <LastModified>2012-02-23T07:02:03.000Z</LastModified>
        <ETag>"7265F4D211B56873A381D321F586****"</ETag>
        <Size>1024</Size>
    </Part>
</ListPartsResult>

SDKs

You can call this operation when you use SDK demos in any of the following languages: