Object Storage Service：列舉儲存空間

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.Bucket;

import java.util.List;

public class Demo {

    public static void main(String[] args) throws Exception {
        // 以華東1（杭州）為例，Endpoint填寫為https://oss-cn-hangzhou.aliyuncs.com。
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // 填寫Bucket所在地區。以華東1（杭州）為例，Region填寫為cn-hangzhou。
        String region = "cn-hangzhou";
        
        // 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();

        // 建立OSSClient執行個體。
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);        
        OSS ossClient = OSSClientBuilder.create()
        .endpoint(endpoint)
        .credentialsProvider(credentialsProvider)
        .clientConfiguration(clientBuilderConfiguration)
        .region(region)               
        .build();

        try {
            // 列舉當前帳號所有地區下的儲存空間。
            List<Bucket> buckets = ossClient.listBuckets();
            for (Bucket bucket : buckets) {
                System.out.println(" - " + bucket.getName());
            }
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

<?php
if (is_file(__DIR__ . '/../autoload.php')) {
    require_once __DIR__ . '/../autoload.php';
}
if (is_file(__DIR__ . '/../vendor/autoload.php')) {
    require_once __DIR__ . '/../vendor/autoload.php';
}

use OSS\Credentials\EnvironmentVariableCredentialsProvider;
use OSS\OssClient;
use OSS\CoreOssException;

// 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
$provider = new EnvironmentVariableCredentialsProvider();
// Endpoint以華東1（杭州）為例，其它Region請按實際情況填寫。
$endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
try{
    $config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        "region"=> "cn-hangzhou"
    );
    $ossClient = new OssClient($config);
    // 列舉當前帳號所有地區下的儲存空間。
    $bucketListInfo = $ossClient->listBuckets();
} catch(OssException $e) {
    printf(__FUNCTION__ . ": FAILED\n");
    printf($e->getMessage() . "\n");
    return;
}
$bucketList = $bucketListInfo->getBucketList();
foreach($bucketList as $bucket) {
    print($bucket->getLocation() . "\t" . $bucket->getName() . "\t" . $bucket->getCreatedate() . "\n");
}        

const OSS = require('ali-oss');

const client = new OSS({
  // yourregion填寫Bucket所在地區。以華東1（杭州）為例，Region填寫為oss-cn-hangzhou。
  region: 'yourregion',
  // 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
  accessKeyId: process.env.OSS_ACCESS_KEY_ID,
  accessKeySecret: process.env.OSS_ACCESS_KEY_SECRET,
  authorizationV4: true,
  // yourBucketName填寫Bucket名稱。
  bucket: 'yourBucketName',
});

async function listBuckets() {
  try {
    // 列舉當前帳號所有地區下的儲存空間。
    const result = await client.listBuckets();
    console.log(result);
  } catch (err) {
    console.log(err);
  }
}

listBuckets();

# -*- coding: utf-8 -*-
import oss2
from oss2.credentials import EnvironmentVariableCredentialsProvider

# 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
auth = oss2.ProviderAuthV4(EnvironmentVariableCredentialsProvider())

# 填寫Bucket所在地區對應的Endpoint。以華東1（杭州）為例，Endpoint填寫為https://oss-cn-hangzhou.aliyuncs.com。
endpoint = "https://oss-cn-hangzhou.aliyuncs.com"

# 填寫Endpoint對應的Region資訊，例如cn-hangzhou。注意，v4簽名下，必須填寫該參數
region = "cn-hangzhou"

service = oss2.Service(auth, endpoint, region=region)

# 列舉當前帳號所有地區下的儲存空間。
for b in oss2.BucketIterator(service):
    print(b.name)

using Aliyun.OSS;

// 填寫Bucket所在地區對應的Endpoint。以華東1（杭州）為例，Endpoint填寫為https://oss-cn-hangzhou.aliyuncs.com。
var endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
// 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
var accessKeyId = Environment.GetEnvironmentVariable("OSS_ACCESS_KEY_ID");
var accessKeySecret = Environment.GetEnvironmentVariable("OSS_ACCESS_KEY_SECRET");
// 填寫Bucket所在地區對應的Region。以華東1（杭州）為例，Region填寫為cn-hangzhou。
const string region = "cn-hangzhou";

// 建立ClientConfiguration執行個體，按照您的需要修改預設參數。
var conf = new ClientConfiguration();

// 設定v4簽名。
conf.SignatureVersion = SignatureVersion.V4;

// 建立OssClient執行個體。
var client = new OssClient(endpoint, accessKeyId, accessKeySecret, conf);
c.SetRegion(region);

// 列舉當前帳號下的所有儲存空間。
try
    {
        var buckets = client.ListBuckets();

        Console.WriteLine("List bucket succeeded");
        foreach (var bucket in buckets)
        {
            Console.WriteLine("Bucket name：{0}，Location：{1}，Owner：{2}", bucket.Name, bucket.Location, bucket.Owner);
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine("List bucket failed. {0}", ex.Message);
    } 

// 列舉當前帳號所有地區下的儲存空間。
ListBucketsRequest request = new ListBucketsRequest();
ossClient.asyncListBuckets(request, new OSSCompletedCallback<ListBucketsRequest, ListBucketsResult>() {
    @Override
    public void onSuccess(ListBucketsRequest request, ListBucketsResult result) {
        List<OSSBucketSummary> buckets = result.getBuckets();
        for (int i = 0; i < buckets.size(); i++) {
            Log.i("info", "name: " + buckets.get(i).name + " "
                    + "location: " + buckets.get(i).location);
        }
    }

    @Override
    public void onFailure(ListBucketsRequest request, ClientException clientException, ServiceException serviceException) {
        // 請求異常。
        if (clientException != null) {
            // 用戶端異常，例如網路異常等。
            clientException.printStackTrace();
        }
        if (serviceException != null) {
            // 服務端異常。
            Log.e("ErrorCode", serviceException.getErrorCode());
            Log.e("RequestId", serviceException.getRequestId());
            Log.e("HostId", serviceException.getHostId());
            Log.e("RawMessage", serviceException.getRawMessage());
        }
    }
});

package main

import (
	"log"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		log.Fatalf("Failed to create credentials provider: %v", err)
	}

	// 建立OSSClient執行個體。
	// yourEndpoint填寫Bucket對應的Endpoint，以華東1（杭州）為例，填寫為https://oss-cn-hangzhou.aliyuncs.com。其它Region請按實際情況填寫。
	// yourRegion填寫Bucket所在地區，以華東1（杭州）為例，填寫為cn-hangzhou。其它Region請按實際情況填寫。
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// 設定簽名版本
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		log.Fatalf("Failed to create OSS client: %v", err)
	}

	// 列舉當前帳號所有地區下的儲存空間。
	marker := ""
	for {
		lsRes, err := client.ListBuckets(oss.Marker(marker))
		if err != nil {
			log.Fatalf("Failed to list buckets: %v", err)
		}

		// 預設情況下一次返回100條記錄。
		for _, bucket := range lsRes.Buckets {
			log.Printf("Bucket: %s", bucket.Name)
		}

		if !lsRes.IsTruncated {
			break
		}
		marker = lsRes.NextMarker
	}
}

OSSGetServiceRequest * getService = [OSSGetServiceRequest new];
// 列舉當前帳號所有地區下的儲存空間。    
OSSTask * getServiceTask = [client getService:getService];
[getServiceTask continueWithBlock:^id(OSSTask *task) {
    if (!task.error) {
        OSSGetServiceResult * result = task.result;
        NSLog(@"buckets: %@", result.buckets);
        NSLog(@"owner: %@, %@", result.ownerId, result.ownerDispName);
        [result.buckets enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
            NSDictionary * bucketInfo = obj;
            NSLog(@"BucketName: %@", [bucketInfo objectForKey:@"Name"]);
            NSLog(@"CreationDate: %@", [bucketInfo objectForKey:@"CreationDate"]);
            NSLog(@"Location: %@", [bucketInfo objectForKey:@"Location"]);
        }];
    } else {
        NSLog(@"get service failed, error: %@", task.error);
    }
    return nil;
}];
// 實現同步阻塞等待任務完成。
// [getServiceTask waitUntilFinished];

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

int main(void)
{
    /*初始化OSS帳號資訊。*/
    
    /*yourEndpoint填寫Bucket所在地區對應的Endpoint。以華東1（杭州）為例，Endpoint填寫為https://oss-cn-hangzhou.aliyuncs.com。*/
    std::string Endpoint = "yourEndpoint";
    
    / *yourRegion填寫Bucket所在地區對應的Region。以華東1（杭州）為例，Region填寫為cn - hangzhou。 * /
    std::string Region = "yourRegion";

    /*初始化網路等資源。*/
    InitializeSdk();

    ClientConfiguration conf;
    conf.signatureVersion = SignatureVersionType::V4;
    /* 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。*/
    auto credentialsProvider = std::make_shared<EnvironmentVariableCredentialsProvider>();
    OssClient client(Endpoint, credentialsProvider, conf);
    client.SetRegion(Region);

    /*列舉當前帳號下的所有儲存空間。*/
    ListBucketsRequest request;
    auto outcome = client.ListBuckets(request);

    if (outcome.isSuccess()) {
        /*列印儲存空間資訊。*/
        std::cout <<" success, and bucket count is" << outcome.result().Buckets().size() << std::endl;
        std::cout << "Bucket name is" << std::endl;
        for (auto result : outcome.result().Buckets())
        {
            std::cout << result.Name() << std::endl;
        }
    }
    else {
        /*異常處理。*/
        std::cout << "ListBuckets fail" <<
        ",code:" << outcome.error().Code() <<
        ",message:" << outcome.error().Message() <<
        ",requestId:" << outcome.error().RequestId() << std::endl;
        return -1;
    }

    /*釋放網路等資源。*/
    ShutdownSdk();
    return 0;
}

#include "oss_api.h"
#include "aos_http_io.h"
/* yourEndpoint填寫Bucket所在地區對應的Endpoint。以華東1（杭州）為例，Endpoint填寫為https://oss-cn-hangzhou.aliyuncs.com。*/
const char *endpoint = "yourEndpoint";
/* yourRegion填寫Bucket所在地區對應的Region。以華東1（杭州）為例，Region填寫為cn-hangzhou。*/
const char *region = "yourRegion";
void init_options(oss_request_options_t *options)
{
    options->config = oss_config_create(options->pool);
    /* 用char*類型的字串初始化aos_string_t類型。*/
    aos_str_set(&options->config->endpoint, endpoint);
    /* 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。*/
    aos_str_set(&options->config->access_key_id, getenv("OSS_ACCESS_KEY_ID"));
    aos_str_set(&options->config->access_key_secret, getenv("OSS_ACCESS_KEY_SECRET"));
    //需要額外配置以下兩個參數
    aos_str_set(&options->config->region, region);
    options->config->signature_version = 4;
    /* 是否使用CNAME網域名稱訪問OSS服務。0表示不使用。*/
    options->config->is_cname = 0;
    /* 設定網路相關參數，比如逾時時間等*/
    options->ctl = aos_http_controller_create(options->pool, 0);
}
int main(int argc, char *argv[])
{
    /* 在程式入口調用aos_http_io_initialize方法來初始化網路、記憶體等全域資源。*/
    if (aos_http_io_initialize(NULL, 0) != AOSE_OK) {
        exit(1);
    }
    /* 用於記憶體管理的記憶體池（pool），等價於apr_pool_t。其實現代碼在apr庫中。*/
    aos_pool_t *pool;
    /* 重新建立一個記憶體池，第二個參數是NULL，表示沒有繼承其它記憶體池。*/
    aos_pool_create(&pool, NULL);
    /* 建立並初始化options，該參數包括endpoint、access_key_id、acces_key_secret、is_cname、curl等全域配置資訊。*/
    oss_request_options_t *oss_client_options;
    /* 在記憶體池中分配記憶體給options。*/
    oss_client_options = oss_request_options_create(pool);
    /* 初始化Client的選項oss_client_options。*/
    init_options(oss_client_options);
    /* 初始化參數。*/
    aos_table_t *resp_headers = NULL; 
    aos_status_t *resp_status = NULL; 
    oss_list_buckets_params_t *params = NULL;
    oss_list_bucket_content_t *content = NULL;
    int size = 0;
    params = oss_create_list_buckets_params(pool);
    /* 列舉儲存空間。*/
    resp_status = oss_list_bucket(oss_client_options, params, &resp_headers);
    if (aos_status_is_ok(resp_status)) {
        printf("list buckets succeeded\n");
    } else {
        printf("list buckets failed\n");
    }
    /* 列印儲存空間。*/
    aos_list_for_each_entry(oss_list_bucket_content_t, content, &params->bucket_list, node) {
        printf("BucketName: %s\n", content->name.data);
        ++size;
    }
    /* 釋放記憶體池，相當於釋放了請求過程中各資源分派的記憶體。*/
    aos_pool_destroy(pool);
    /* 釋放之前分配的全域資源。*/
    aos_http_io_deinitialize();
    return 0;
}

require 'aliyun/oss'

client = Aliyun::OSS::Client.new(
  # Endpoint以華東1（杭州）為例，其它Region請按實際情況填寫。
  endpoint: 'https://oss-cn-hangzhou.aliyuncs.com',
  # 從環境變數中擷取訪問憑證。運行本程式碼範例之前，請確保已設定環境變數OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
  access_key_id: ENV['OSS_ACCESS_KEY_ID'],
  access_key_secret: ENV['OSS_ACCESS_KEY_SECRET']
)
# 列舉當前帳號所有地區下的儲存空間。
buckets = client.list_buckets
buckets.each { |b| puts b.name }