Object Storage Service:オブジェクトのタグの照会

次のサンプルコードは、オブジェクトのタグを照会する方法の例を示しています。

#include <alibabacloud/oss/OssClient.h>
using namespace AlibabaCloud::OSS;
#include <iostream>
#include <sstream>


int main(void)
{
    /* Initialize information about the account that is used to access OSS. */
            
    /* Specify the endpoint of the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. */
    std::string Endpoint = "yourEndpoint";
    /* Specify the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou. */
    std::string Region = "yourRegion";
    /* Specify the name of the bucket. Example: examplebucket. */
    std::string BucketName = "examplebucket";
    /* Specify the full path of the object. Do not include the bucket name in the full path of the object. Example: exampledir/exampleobject.txt. */
    std::string ObjectName = "exampledir/exampleobject.txt";

    /* Initialize resources, such as network resources. */
    InitializeSdk();

    ClientConfiguration conf;
    conf.signatureVersion = SignatureVersionType::V4;
    /* Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. */
    auto credentialsProvider = std::make_shared<EnvironmentVariableCredentialsProvider>();
    OssClient client(Endpoint, credentialsProvider, conf);
    client.SetRegion(Region);
    std::shared_ptr<std::iostream> content = std::make_shared<std::stringstream>();
    *content << "test cpp sdk";
    PutObjectRequest request(BucketName, ObjectName, content);

    /* Upload the object. */
    auto outcome = client.PutObject(request);

    /* Add tags to the object. */
    Tagging tagging;
    tagging.addTag(Tag("key1", "value1"));
    tagging.addTag(Tag("key2", "value2"));
    auto putTaggingOutcome = client.SetObjectTagging(SetObjectTaggingRequest(BucketName, ObjectName, tagging));

    /* Query the tags of the object. */
    auto getTaggingOutcome = client.GetObjectTagging(GetObjectTaggingRequest(BucketName, ObjectName));

    if (!getTaggingOutcome.isSuccess()) {
        /* Handle exceptions. */
        std::cout << "getTaggingOutcome fail" <<
        ",code:" << getTaggingOutcome.error().Code() <<
        ",message:" << getTaggingOutcome.error().Message() <<
        ",requestId:" << getTaggingOutcome.error().RequestId() << std::endl;
        return -1;
    }
    else {
        auto taglist = getTaggingOutcome.result().Tagging();
        for (const auto& tag : taglist.Tags())
        {
          std::cout <<"GetObjectTagging success, Key:" 
          << tag.Key() << "; Value:" << tag.Value() << std::endl;
        }
    }

    /* Release resources, such as network resources. */
    ShutdownSdk();
    return 0;
}