[英]How to upload a file from internet to azure storage as a blob using java code?
我想將文件直接從互聯網上傳到“mycontainer”中的 Azure blob 存儲,我不想先在本地上傳下載文件。 我想用java代碼來做這個,誰能幫我提供示例代碼。
根據我的理解,我認為您想直接將文件從互聯網 url 上傳到 Azure Blob 存儲。 您可以使用方法CloudBlob.startCopy(URI source)
來實現您的需求。
這是我的示例代碼。
String connectionString = String.format("DefaultEndpointsProtocol=http;AccountName=%s;AccountKey=%s", ACCOUNT_NAME, ACCOUNT_KEY);
CloudStorageAccount account = CloudStorageAccount.parse(connectionString);
CloudBlobClient client = account.createCloudBlobClient();
CloudBlobContainer container = client.getContainerReference("mycontainer");
CloudBlockBlob blob = container.getBlockBlobReference("bing.txt");
String uri = "http://www.bing.com";
blob.startCopy(new URI(uri));
希望能幫助到你。
您必須在您的項目中添加此 Maven 依賴項。
<dependency>
<groupId>com.azure</groupId>
<artifactId>azure-storage-blob</artifactId>
<version>12.0.0</version>
</dependency>
並添加以下導入。
import com.azure.storage.blob.BlobClient;
import com.azure.storage.blob.BlobContainerClient;
import com.azure.storage.blob.BlobServiceClient;
import com.azure.storage.blob.BlobServiceClientBuilder;
import com.azure.storage.blob.specialized.BlockBlobClient;
您可以使用以下代碼將新文件上傳到容器。
BlobClient blobClient = null;
try {
String mConnectionstring = "DefaultEndpointsProtocol=https;AccountName=
mystorageaccount;AccountKey
=6xjXi/dA==;EndpointSuffix=core.windows.net";
// Create a BlobServiceClient object which will be used to create a container
BlobServiceClient blobServiceClient = new BlobServiceClientBuilder().connectionString(mConnectionstring)
.buildClient();
// Create a unique name for the container
String containerName = "anycontainername";
// Create the container and return
// a container client object
BlobContainerClient containerClient = blobServiceClient.getBlobContainerClient(containerName);
// Get a reference to a blob
blobClient = containerClient.getBlobClient(file.getOriginalFilename());
// Note: We are creating BlockBlob instance.
BlockBlobClient blockBlobClient = blobClient.getBlockBlobClient();
blockBlobClient.upload(file.getInputStream(), file.getSize());
有關更多信息,您可以閱讀這篇關於使用 Java 的 Azure blob 存儲的文章。
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