HEAD /<ObjectKey> HTTP/1.1Host: <BucketName-APPID>.cos.<Region>.myqcloud.comDate: GMT DateAuthorization: Auth String
名称 | 描述 | 类型 | 是否必选 |
versionId | 当启用版本控制时,指定要查询的版本 ID,如不指定则查询对象的最新版本 | string | 否 |
名称 | 描述 | 类型 | 是否必选 |
If-Modified-Since | 当对象在指定时间后被修改,则返回 HTTP 状态码为200(OK),否则返回 HTTP 状态码为304(Not Modified) | string | 否 |
If-Unmodified-Since | 当对象在指定时间后未被修改,则返回 HTTP 状态码为200(OK),否则返回 HTTP 状态码为412(Precondition Failed) | string | 否 |
If-Match | 当对象的 ETag 与指定的值一致,则返回 HTTP 状态码为200(OK),否则返回 HTTP 状态码为412(Precondition Failed) | string | 否 |
If-None-Match | 当对象的 ETag 与指定的值不一致,则返回 HTTP 状态码为200(OK),否则返回 HTTP 状态码为304(Not Modified) | string | 否 |
名称 | 描述 | 类型 |
Cache-Control | RFC 2616 中定义的缓存指令,仅当对象元数据包含此项时才会返回该头部 | string |
Content-Disposition | RFC 2616 中定义的文件名称,仅当对象元数据包含此项时才会返回该头部 | string |
Content-Encoding | RFC 2616 中定义的编码格式,仅当对象元数据包含此项时才会返回该头部 | string |
Expires | RFC 2616 中定义的缓存失效时间,仅当对象元数据包含此项时才会返回该头部 | string |
x-cos-meta-* | 包括用户自定义元数据头部后缀和用户自定义元数据信息 | string |
x-cos-storage-class | 对象存储类型,枚举值请参见 存储类型 文档,例如 MAZ_STANDARD,MAZ_STANDARD_IA,INTELLIGENT_TIERING,MAZ_INTELLIGENT_TIERING,STANDARD_IA,ARCHIVE,DEEP_ARCHIVE。仅当对象不是标准存储(STANDARD)时才会返回该头部 | enum |
x-cos-storage-tier | 当对象的存储类型为智能分层存储时,该头部表示对象所处的存储层,有效值: FREQUENT INFREQUENT ARCHIVE_ACCESS DEEP_ARCHIVE_ACCESS | enum |
名称 | 描述 | 类型 |
x-cos-restore | 指示当前恢复操作的状态: 当恢复操作正在进行中时,该响应头部的值为 ongoing-request="true" 当对象已经恢复时,该响应头部包含 COS 即将删除临时副本的时间,例如 ongoing-request="false", expiry-date="Tue, 19 Nov 2019 16:00:00 GMT" | string |
x-cos-restore-status | 当恢复操作正在进行中时返回该响应头部,指示当前的恢复模式、恢复操作请求时间和恢复预期完成时间,例如 tier="standard"; request-date="Mon, 18 Nov 2019 09:34:50 GMT";expect-restore-date="Fri, 27 Dec 2019 08:20:00 GMT" ,有关恢复模式请参见 POST Object restore说明: 仅归档类型对象支持展示恢复预期完成时间,深度归档对象不支持展示恢复预期完成时间。 | string |
名称 | 描述 | 类型 |
x-cos-version-id | 对象的版本 ID | string |
名称 | 描述 | 类型 |
x-cos-replication-status | 当前的复制状态。源对象显示 Pending(待复制)、Failed(复制失败)、Complete(复制成功);目标对象显示 Replica。 | string |
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 10 Apr 2020 18:17:36 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1586542656;1586549856&q-key-time=1586542656;1586549856&q-header-list=date;host&q-url-param-list=&q-signature=cde88925e00d1c90ba74985ca43b610bdf6b****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 16Connection: closeDate: Fri, 10 Apr 2020 18:17:36 GMTETag: "ee8de918d05640145b18f70f4c3aa602"Last-Modified: Fri, 10 Apr 2020 18:17:25 GMTServer: tencent-cosx-cos-hash-crc64ecma: 16749565679157681890x-cos-request-id: NWU5MGI4NDBfNjFjODJhMDlfMzY2NjVfMjNi****
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Wed, 29 Jul 2020 06:51:49 GMTIf-None-Match: "ee8de918d05640145b18f70f4c3aa602"Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1596005509;1596012709&q-key-time=1596005509;1596012709&q-header-list=date;host;if-none-match&q-url-param-list=&q-signature=9d087f05c259ca271efe91fc780cdced75c6****Connection: close
HTTP/1.1 304 Not ModifiedContent-Type: application/xmlContent-Length: 0Connection: closeDate: Wed, 29 Jul 2020 06:51:49 GMTServer: tencent-cosx-cos-request-id: NWYyMTFjODVfZDNjODJhMDlfMWU1MWVfOTUy****x-cos-trace-id: OGVmYzZiMmQzYjA2OWNhODk0NTRkMTBiOWVmMDAxODczNTBmNjMwZmQ0MTZkMjg0NjlkNTYyNmY4ZTRkZTk0NzJmZTI0ZmJhYTZmZjYyNmU5ZGNlZDI5YjkyODkwYjNhZjhlNGQ0MDY1ZGIxNDEwMWYwOTg1NDc4Mzg4MTE3****
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Wed, 29 Jul 2020 06:51:50 GMTIf-Match: "aa488bb80185a6be87f4a7b936a80752"Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1596005510;1596012710&q-key-time=1596005510;1596012710&q-header-list=date;host;if-match&q-url-param-list=&q-signature=38afe94fc61ca0b3aa763e00b23fd90ac23e****Connection: close
HTTP/1.1 412 Precondition FailedContent-Type: application/xmlContent-Length: 0Connection: closeDate: Wed, 29 Jul 2020 06:51:50 GMTServer: tencent-cosx-cos-request-id: NWYyMTFjODZfMzBjMDJhMDlfMmU3ZF9kYTE4****x-cos-trace-id: OGVmYzZiMmQzYjA2OWNhODk0NTRkMTBiOWVmMDAxODczNTBmNjMwZmQ0MTZkMjg0NjlkNTYyNmY4ZTRkZTk0NzJmZTI0ZmJhYTZmZjYyNmU5ZGNlZDI5YjkyODkwYjNhZDRkOWFlZjczOWExNjZmY2RiNjhjNGIwZWQ3YjYw****
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 10 Apr 2020 18:18:19 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1586542699;1586549899&q-key-time=1586542699;1586549899&q-header-list=date;host&q-url-param-list=&q-signature=6a6d4dd5b5a9e6379f300715985bfb60b947****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 16Connection: closeDate: Fri, 10 Apr 2020 18:18:19 GMTETag: "ee8de918d05640145b18f70f4c3aa602"Last-Modified: Fri, 10 Apr 2020 18:18:08 GMTServer: tencent-cosx-cos-hash-crc64ecma: 16749565679157681890x-cos-request-id: NWU5MGI4NmJfNmRjMDJhMDlfZGQwNl8xZmE4****x-cos-server-side-encryption: AES256
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 10 Apr 2020 18:18:30 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1586542710;1586549910&q-key-time=1586542710;1586549910&q-header-list=date;host&q-url-param-list=&q-signature=7c8a1c93b9701e653c2ab00419f976397d00****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 16Connection: closeDate: Fri, 10 Apr 2020 18:18:30 GMTETag: "00ca268468481b847fc2d8a9bd84578d"Last-Modified: Fri, 10 Apr 2020 18:18:19 GMTServer: tencent-cosx-cos-hash-crc64ecma: 16749565679157681890x-cos-request-id: NWU5MGI4NzZfN2FjODJhMDlfMjU3N18xYTEz****x-cos-server-side-encryption: cos/kmsx-cos-server-side-encryption-cos-kms-key-id: 48ba38aa-26c5-11ea-855c-52540085****
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 10 Apr 2020 18:18:41 GMTx-cos-server-side-encryption-customer-algorithm: AES256x-cos-server-side-encryption-customer-key: MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNE****x-cos-server-side-encryption-customer-key-MD5: U5L61r7jcwdNvT7frmUG****Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1586542721;1586549921&q-key-time=1586542721;1586549921&q-header-list=date;host;x-cos-server-side-encryption-customer-algorithm;x-cos-server-side-encryption-customer-key;x-cos-server-side-encryption-customer-key-md5&q-url-param-list=&q-signature=99ad258fc295f43feb0546bb2346c8269dc5****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 16Connection: closeDate: Fri, 10 Apr 2020 18:18:41 GMTETag: "582d9105f71525f3c161984bc005efb5"Last-Modified: Fri, 10 Apr 2020 18:18:31 GMTServer: tencent-cosx-cos-hash-crc64ecma: 16749565679157681890x-cos-request-id: NWU5MGI4ODFfN2NiODJhMDlfMmFmYTVfMWRh****x-cos-server-side-encryption-customer-algorithm: AES256x-cos-server-side-encryption-customer-key-MD5: U5L61r7jcwdNvT7frmUG****
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 10 Apr 2020 18:19:15 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1586542755;1586549955&q-key-time=1586542755;1586549955&q-header-list=date;host&q-url-param-list=&q-signature=7909dc19780873dfaa51c8b238254098ca1a****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 26Connection: closeDate: Fri, 10 Apr 2020 18:19:15 GMTETag: "22e024392de860289f0baa7d6cf8a549"Last-Modified: Fri, 10 Apr 2020 18:19:04 GMTServer: tencent-cosx-cos-hash-crc64ecma: 11596229263574363878x-cos-request-id: NWU5MGI4YTNfZDZjODJhMDlfYmU0MV8xM2Y5****x-cos-version-id: MTg0NDUxNTc1MzA5NjQ2ODI5MTg
HEAD /exampleobject?versionId=MTg0NDUxNTc1MzA5NzU4ODg1Mjg HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 10 Apr 2020 18:19:04 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1586542744;1586549944&q-key-time=1586542744;1586549944&q-header-list=date;host&q-url-param-list=versionid&q-signature=1307acd3e8649087c738ecca452a54fa5a79****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 16Connection: closeDate: Fri, 10 Apr 2020 18:19:04 GMTETag: "ee8de918d05640145b18f70f4c3aa602"Last-Modified: Fri, 10 Apr 2020 18:18:53 GMTServer: tencent-cosx-cos-hash-crc64ecma: 16749565679157681890x-cos-request-id: NWU5MGI4OThfN2RiNDBiMDlfMTk1MTBfMWZj****x-cos-version-id: MTg0NDUxNTc1MzA5NzU4ODg1Mjg
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Fri, 27 Dec 2019 08:19:35 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1577434775;1577441975&q-key-time=1577434775;1577441975&q-header-list=date;host&q-url-param-list=&q-signature=72408a09a5fc00d77d389559a0cfa5c98e31****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 13Connection: closeDate: Fri, 27 Dec 2019 08:19:35 GMTETag: "b62e10bcab55a88240bd9c436cffdcf9"Last-Modified: Fri, 27 Dec 2019 08:19:23 GMTServer: tencent-cosx-cos-request-id: NWUwNWJlOTdfN2VjODJhMDlfOGI1N18yYjYz****x-cos-restore: ongoing-request="true"x-cos-restore-status: tier="expedited"; request-date="Fri, 27 Dec 2019 08:19:29 GMT"x-cos-storage-class: ARCHIVE
HEAD /exampleobject HTTP/1.1Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.comDate: Thu, 02 Jan 2020 18:09:51 GMTAuthorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1577988591;1577995791&q-key-time=1577988591;1577995791&q-header-list=date;host&q-url-param-list=&q-signature=ff23b3a44945f019916450add646e963c29b****Connection: close
HTTP/1.1 200 OKContent-Type: image/jpegContent-Length: 16Connection: closeDate: Fri, 10 Apr 2020 18:17:36 GMTETag: "ee8de918d05640145b18f70f4c3aa602"Last-Modified: Fri, 10 Apr 2020 18:17:25 GMTServer: tencent-cosx-cos-hash-crc64ecma: 16749565679157681890x-cos-request-id: NWU5MWRiZjFfMmViMDJhMDlfNjIwOF8zNTU0****x-cos-restore: ongoing-request="false", expiry-date="Mon, 13 Apr 2020 16:00:00 GMT"x-cos-storage-class: ARCHIVE
本页内容是否解决了您的问题?