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Bucket Operations

Terakhir diperbarui:2024-02-04 16:51:44

    Overview

    This document provides an overview of APIs and SDK code samples for basic bucket operations.
    API
    Operation
    Description
    Querying bucket list
    Queries the list of all buckets under a specified account
    Creating a bucket
    Creates a bucket under a specified account
    Checking a bucket and its permission
    Checks whether a bucket exists and you have permission to access it
    Deleting a bucket
    Deletes an empty bucket under a specified account

    Querying a Bucket List

    Feature description

    This API (GET Service (List Buckets)) is used to query the list of all buckets under a specified account.

    Sample code

    try {
    let listAllMyBuckets: ListAllMyBuckets = await Cos.getDefaultService().getService();
    // For bucket list details, see the `ListAllMyBuckets` class.
    } catch (e) {
    // An exception will be reported in case of failure. Process the business logic accordingly.
    console.log(e);
    }

    Parameter description

    None.

    Response description

    Success: ListAllMyBuckets is returned, including the list of buckets and bucket owner information.
    Failure: An error (such as authentication failure) occurs, with a CosXmlClientError or CosXmlServiceError exception reported. For more information, see Troubleshooting.
    Parameters in the ListAllMyBuckets response body are as follows:
    Parameter
    Description
    Type
    buckets
    Bucket list
    List<Bucket>
    owner
    Bucket owner information
    Owner
    Bucket has the following sub-nodes:
    Parameter
    Description
    Type
    name
    Bucket name
    String
    location
    Bucket region
    String
    createDate
    Bucket creation time in ISO 8601 format, such as 2019-05-24T10:56:40Z
    String
    Owner has the following sub-nodes:
    Parameter
    Description
    Type
    id
    Complete ID
    String
    disPlayName
    Bucket owner name
    String

    Creating a Bucket

    Feature description

    This API (PUT Bucket) is used to create a bucket.

    Sample code

    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    let bucket = "examplebucket-1250000000";
    // Bucket region abbreviation. For example, "ap-guangzhou" is the abbreviation of the Guangzhou region
    let region = "COS_REGION";
    // Whether to enable multi-AZ
    let enableMAZ = false;
    try {
    await Cos.getDefaultService().putBucket(
    bucket,
    {
    region: region,
    enableMAZ: enableMAZ
    }
    );
    } catch (e) {
    // An exception will be reported in case of failure. Process the business logic accordingly.
    console.log(e);
    }

    Parameter description

    Parameter
    Description
    Type
    Required
    bucket
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String
    Yes
    enableMAZ
    Whether to create an MAZ bucket
    String
    No

    Response description

    Success: No value is returned.
    Failure: An error (such as authentication failure) occurs, with a CosXmlClientError or CosXmlServiceError exception reported. For more information, see Troubleshooting.

    Checking a Bucket and Its Permissions

    Feature description

    This API (HEAD Bucket) is used to verify whether a bucket exists and whether you have permission to access it.
    If the bucket exists and you have permission to read it, HTTP status code 200 will be returned.
    If you do not have permission to read the bucket, HTTP status code 403 will be returned.
    If the bucket does not exist, HTTP status code 404 will be returned.

    Sample code

    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    let bucket = "examplebucket-1250000000";
    // Bucket region abbreviation. For example, "ap-guangzhou" is the abbreviation of the Guangzhou region
    let region = "COS_REGION";
    try {
    let header = await Cos.getDefaultService().headBucket(
    bucket,
    region
    );
    // The HTTP status code is 200, and the HTTP header is `header`.
    } catch (e) {
    // View the specific HTTP status code in `e.statusCode`
    console.log(e);
    }

    Parameter description

    Parameter
    Description
    Type
    bucket
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String

    Response description

    Success: The HTTP Header is returned.
    Failure: An error (such as authentication failure) occurs, with a CosXmlClientError or CosXmlServiceError exception reported. For more information, see Troubleshooting.

    Deleting a Bucket

    Feature description

    This API (DELETE Bucket) is used to delete a specified bucket.
    Note:
    Before deleting a bucket, make sure that all the data and incomplete multipart uploads in the bucket have been cleared; otherwise, the bucket cannot be deleted.

    Sample code

    // Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
    let bucket = "examplebucket-1250000000";
    // Bucket region abbreviation. For example, "ap-guangzhou" is the abbreviation of the Guangzhou region
    let region = "COS_REGION";
    try {
    await Cos.getDefaultService().deleteBucket(
    bucket,
    region
    );
    } catch (e) {
    // An exception will be reported in case of failure. Process the business logic accordingly.
    console.log(e);
    }

    Parameter description

    Parameter
    Description
    Type
    bucket
    Bucket name in the format of BucketName-APPID. For more information, see Bucket Overview.
    String

    Response description

    Success: No value is returned.
    Failure: An error (such as authentication failure) occurs, with a CosXmlClientError or CosXmlServiceError exception reported. For more information, see Troubleshooting.
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