Request Parameter of GET Object
Type Definition
type GetObjectInput struct
Parameter Description
| Field | Type | Optional or Mandatory | Description |
|---|---|---|---|
| Bucket | string | Mandatory | Bucket name |
| Key | string | Mandatory | Object name |
| ResponseCacheControl | string | Optional | Rewrites the Cache-Control header when obtaining the object. |
| ResponseContentDisposition | string | Optional | Rewrites the Content-Disposition header when obtaining the object. |
| ResponseContentEncoding | string | Optional | Rewrites the Content-Encoding header when obtaining the object. |
| ResponseContentLanguage | string | Optional | Rewrites the Content-Language header when obtaining the object. |
| ResponseContentType | string | Optional | Rewrites the Content-Type header when obtaining the object. |
| ResponseExpires | string | Optional | Rewrites the Expires header when obtaining the object. |
| VersionId | string | Optional | Object version ID |
| ImageProcess | string | Optional | Image processing parameter |
| RangeStart | int64 | Optional | Start position for object download. The value is a non-negative integer. |
| RangeEnd | int64 | Optional | Endpoint for object download. If the value is larger than the object length minus 1, the actual object length = Object length - 1. |
| IfMatch | string | Optional | Returns the source object if its ETag is the same as the one specified by this parameter; otherwise, an error is returned. |
| IfNoneMatch | string | Optional | Returns the source object if its ETag is different from the one specified by this parameter; otherwise, an error is returned. |
| IfModifiedSince | time.Time | Optional | Returns the object if it is modified after the time specified by this parameter; otherwise, an error is returned. |
| IfUnmodifiedSince | time.Time | Optional | Returns the object if it remains unchanged since the time specified by this parameter; otherwise, an error is returned. |
| Origin | string | Optional | Origin specified in the preflight request. Generally, it is a domain name. |
| RequestHeader | string | Optional | HTTP headers in a cross-origin request |
| SseHeader | Optional | Header for server-side decryption |
- If a request includes IfUnmodifiedSince or IfMatch and the specified condition is not met, the object download will fail with error information 412 Precondition Failed returned.
- If a request includes IfModifiedSince or IfNoneMatch and the specified condition is not met, the object download will fail with error information 304 Not Modified returned.
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