雲端儲存服務（Storage Services）

// Azure Blob Storage — 上傳和下載檔案
using Azure.Storage.Blobs;
using Azure.Storage.Sas;
 
var blobServiceClient = new BlobServiceClient(connectionString);
var containerClient = blobServiceClient.GetBlobContainerClient("images");
 
// 上傳
var blobClient = containerClient.GetBlobClient("photos/sunset.jpg");
await blobClient.UploadAsync(fileStream, new BlobHttpHeaders
{
    ContentType = "image/jpeg"
});
 
// 產生 SAS Token（限時下載連結）
var sasBuilder = new BlobSasBuilder
{
    BlobContainerName = "images",
    BlobName = "photos/sunset.jpg",
    ExpiresOn = DateTimeOffset.UtcNow.AddHours(1),
};
sasBuilder.SetPermissions(BlobSasPermissions.Read);
var sasUrl = blobClient.GenerateSasUri(sasBuilder);
 
// Azure Queue Storage — 非同步訊息
var queueClient = new QueueClient(connectionString, "order-processing");
await queueClient.SendMessageAsync(JsonSerializer.Serialize(new { OrderId = 123 }));
 
// 接收訊息
var messages = await queueClient.ReceiveMessagesAsync(maxMessages: 10);
foreach (var msg in messages.Value)
{
    await ProcessOrder(msg.Body.ToString());
    await queueClient.DeleteMessageAsync(msg.MessageId, msg.PopReceipt);
}

// AWS S3 — 上傳和下載
import { S3Client, PutObjectCommand, GetObjectCommand } from "@aws-sdk/client-s3";
import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
import { SQSClient, SendMessageCommand, ReceiveMessageCommand } from "@aws-sdk/client-sqs";
 
const s3 = new S3Client({ region: "us-east-1" });
 
// 上傳
await s3.send(new PutObjectCommand({
  Bucket: "my-images",
  Key: "photos/sunset.jpg",
  Body: fileBuffer,
  ContentType: "image/jpeg",
}));
 
// 產生預簽名 URL（限時下載連結）
const downloadUrl = await getSignedUrl(s3,
  new GetObjectCommand({ Bucket: "my-images", Key: "photos/sunset.jpg" }),
  { expiresIn: 3600 } // 1 小時
);
 
// SQS — 非同步訊息
const sqs = new SQSClient({ region: "us-east-1" });
await sqs.send(new SendMessageCommand({
  QueueUrl: "https://sqs.us-east-1.amazonaws.com/123456/orders",
  MessageBody: JSON.stringify({ orderId: 123 }),
}));

# Azure Blob Storage
from azure.storage.blob import BlobServiceClient, generate_blob_sas, BlobSasPermissions
from datetime import datetime, timedelta
 
blob_service = BlobServiceClient.from_connection_string(conn_str)
container = blob_service.get_container_client("images")
 
# 上傳
with open("sunset.jpg", "rb") as f:
    container.upload_blob("photos/sunset.jpg", f, content_settings={"content_type": "image/jpeg"})
 
# 產生 SAS Token
sas_token = generate_blob_sas(
    account_name="myaccount",
    container_name="images",
    blob_name="photos/sunset.jpg",
    account_key=account_key,
    permission=BlobSasPermissions(read=True),
    expiry=datetime.utcnow() + timedelta(hours=1),
)
 
# Boto3 S3
import boto3
 
s3 = boto3.client("s3")
s3.upload_file("sunset.jpg", "my-images", "photos/sunset.jpg")
 
# 預簽名 URL
url = s3.generate_presigned_url(
    "get_object",
    Params={"Bucket": "my-images", "Key": "photos/sunset.jpg"},
    ExpiresIn=3600,
)