Contents：
Description
Delete Multiple Object API request is used for batch deletion of files in specific Bucket. A maximum of 1,000 Objects are allowed to be deleted in batches at a time. COS provides two modes for returned results: Verbose and Quiet. Verbose mode returns the result of deletion of each Object, while Quiet mode only returns the information of the Objects with an error.
Note:
This request must be used with Content-MD5 to verify the integrity of Body.
Request
Syntax:
POST /?delete HTTP/1.1
Host: <Bucketname>-<AppID>.cos.<Region>.myqcloud.com
Date: GMT Date
Content-Length: length
Content-Type: application/xml
Content-MD5: MD5
Authorization: Auth String
<Delete>
<Quiet></Quiet>
<Object>
<Key></Key>
</Object>
<Object>
<Key></Key>
</Object>
...
</Delete>
Authorization: Auth String (For more information, please see Request Signature chapter)
Request Line
POST /?delete HTTP/1.1
This API allows POST request.
Request Header
Common Header
This request operation is implemented using common request header. For more information, please see Common Request Headers chapter.
Non-common Header
Required Header
This request operation is implemented using the following required headers:
| Name | Description | Type | Required |
|---|---|---|---|
| Content-Length | HTTP request content length defined in RFC 2616 (in bytes) | String | Yes |
| Content-MD5 | 128-bit content MD5 check value encoded using Base64, defined in RFC 1864. This header is used to check whether the file content has changed | String | Yes |
Request Body
The specific nodes of the request body for this request are:
<Delete>
<Quiet></Quiet>
<Object>
<Key></Key>
</Object>
<Object>
<Key></Key>
</Object>
...
</Delete>
Details are described below:
| Node Name (Keyword) | Parent Node | Description | Type | Required |
|---|---|---|---|---|
| Delete | None | Indicate the method by which the result is returned for the deletion and the target Object | Container | Yes |
| Quiet | Delete | Boolean. Indicate whether the Quiet mode is enabled. True means Quiet mode is enabled, and False means Verbose mode is enabled. The default is False |
Boolean | No |
| Object | Delete | Provide the information of each target Object to be deleted | Container | Yes |
| Key | Delete.Object | Name of target Object file | String | Yes |
Response
Response Header
Common Response Header
This response uses common response header. For more information, please see Common Response Headers chapter.
Specific Response Header
No particular response header for this request operation.
Response Body
application/xml data is returned for the response body, including the complete node data, as show below:
<DeleteResult>
<Deleted>
<Key></Key>
</Deleted>
<Error>
<Key></Key>
<Code></Code>
<Message></Message>
</Error>
</DeleteResult>
See the details below:
| Node Name (Keyword) | Parent Node | Description | Type |
|---|---|---|---|
| DeleteResult | None | Indicate the method by which the result is returned for the deletion and the target Object | Container |
Content of Container node DeleteResult:
| Node Name (Keyword) | Parent Node | Description | Type |
|---|---|---|---|
| Deleted | DeleteResult | Indicate the information of Object that has been deleted successfully | Boolean |
| Error | DeleteResult | Indicate the information of Object that failed to be deleted | Container |
Content of Container node Deleted:
| Node Name (Keyword) | Parent Node | Description | Type |
|---|---|---|---|
| Key | DeleteResult.Deleted | Name of Object | String |
Content of Container node Error:
| Node Name (Keyword) | Parent Node | Description | Type |
|---|---|---|---|
| Key | DeleteResult.Error | Name of Object that failed to be deleted | String |
| Code | DeleteResult.Error | Error code for failed deletion | String |
| Message | DeleteResult.Error | Error message for failed deletion | String |
Practical Case
Request
POST /?delete HTTP/1.1
Host: lelu06-1252400000.cn-north.myqcloud.com
Date: Wed, 23 Oct 2016 21:32:00 GMT
Connection: keep-alive
Accept-Encoding: gzip, deflate
Accept: */*
User-Agent: python-requests/2.12.4
Authorization: q-sign-algorithm=sha1&q-ak=AKID15IsskiBQKTZbAo6WhgcBqVls9SmuG00&q-sign-time=1480932292;1981012292&q-key-time=1480932292;1981012292&q-url-param-list=delete&q-header-list=host&q-signature=c54f22fd92232a76972ba599cba25a8a733d2fef
Content-MD5: yoLiNjQuvB7lu8cEmPafrQ==
Content-Length: 125
<Delete>
<Quiet>true</Quiet>
<Object>
<Key>aa</Key>
</Object>
<Object>
<Key>aaa</Key>
</Object>
</Delete>
Response
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 17
Connection: keep-alive
Date: Tue, 22 Aug 2017 12:00:48 GMT
Server: tencent-cos
x-cos-request-id: NTk5YzFjZjBfZWFhZDM1MGFfMjkwZV9lZGM3ZQ==
<DeleteResult/>
Request
POST /?delete HTTP/1.1
Host: lelu06-1252440000.cn-north.myqcloud.com
Date: Tue, 22 Aug 2017 12:16:35 GMT
Connection: keep-alive
Accept-Encoding: gzip, deflate
Accept: */*
User-Agent: python-requests/2.12.4
Authorization: q-sign-algorithm=sha1&q-ak=AKID15IsskiBQKTZbAo6WhgcBqVls9SmuG00&q-sign-time=1480932292;1981012292&q-key-time=1480932292;1981012292&q-url-param-list=delete&q-header-list=host&q-signature=c54f22fd92232a76972ba599cba25a8a733d2fef
Content-MD5: V0XuU8V7aqMYeWyD3BC2nQ==
Content-Length: 126
<Delete>
<Quiet>false</Quiet>
<Object>
<Key>aa</Key>
</Object>
<Object>
<Key>aaa</Key>
</Object>
</Delete>
Response
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 111
Connection: keep-alive
Date: Tue, 22 Aug 2017 12:16:35 GMT
Server: tencent-cos
x-cos-request-id: NTk5YzIwYTNfMzFhYzM1MGFfMmNmOWZfZWVhNjQ=
<DeleteResult>
<Deleted>
<Key>aa</Key>
</Deleted>
<Deleted>
<Key>aaa</Key>
</Deleted>
</DeleteResult>
