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对象存储 BOS

查看Bucket列表

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基本流程

  1. 创建BOSClient类的实例。
  2. 执行BOSClient listBuckets方法,会返回BOSListBucketResponse类的实例。
  3. 对BOSListBucketResponse类型实例可以进行获取buckets/owner操作。

示例代码

如下代码可以列出用户所有的Bucket:

__block BOSListBucketResponse* response = nil;
BCETask* task = [client listBuckets];
task.then(^(BCEOutput* output) {
    if (output.response) {
      response = (BOSListBucketResponse*)output.response;
    }

    if (output.error) {
    }
});
[task waitUtilFinished];

如下代码可以列出Bucket的Owner:

BOSBucketOwner* owner = response.owner;

如下代码可以列出Bucket的Metadata:

NSArray<BOSBucketSummary*>* buckets = response.buckets;
for (BOSBucketSummary* bucket in buckets) {
    NSLog(@"bucket name: %@", bucket.name);
    NSLog(@"bucket location: %@", bucket.location);
    NSLog(@"bucket create date: %@", bucket.createDate);
}

完整示例

#import <BaiduBCEBasic/BaiduBCEBasic.h>
#import <BaiduBCEBOS/BaiduBCEBOS.h>

void example(void) {
    // 初始化
    BCECredentials* credentials = [[BCECredentials alloc] init];
    credentials.accessKey = @"<access key>";
    credentials.secretKey = @"<secret key>";
    BOSClientConfiguration* configuration = [[BOSClientConfiguration alloc] init];
    configuration.credentials = credentials;

    BOSClient* client = [[BOSClient alloc] initWithConfiguration:configuration];

    // 列举Buckets
    __block BOSListBucketResponse* response = nil;
    BCETask* task = [client listBuckets];
    task.then(^(BCEOutput* output) {
        if (output.response) {
            response = (BOSListBucketResponse*)output.response;
        }

        if (output.error) {
        }
    });
    [task waitUtilFinished];

    // 获取Owner
    BOSBucketOwner* owner = response.owner;
    NSLog(@"the buckets owner is %@", owner.ownerID);

    // 获取Bucket信息
    NSArray<BOSBucketSummary*>* buckets = response.buckets;
    for (BOSBucketSummary* bucket in buckets) {
        NSLog(@"bucket name: %@", bucket.name);
        NSLog(@"bucket location: %@", bucket.location);
        NSLog(@"bucket create date: %@", bucket.createDate);
    }
}
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