阿里云云盒对接使用全流程实战指南：从部署规划到SDK开发集成

<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>3.15.0</version>
</dependency>

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.CreateBucketRequest;
import com.aliyun.oss.common.auth.DefaultCredentialProvider;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.ClientBuilderConfiguration;
public class CreateCloudBoxBucket {
    public static void main(String[] args) throws Exception {
        // 填写云盒Bucket的数据域名
        String endpoint = "https://cb-example****.cn-hangzhou.oss-cloudbox.aliyuncs.com";
        // 从环境变量中获取访问凭证
        EnvironmentVariableCredentialsProvider credentialsProvider =
            CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // 填写云盒所在地域
        String region = "cn-hangzhou";
        // 填写云盒ID
        String cloudBoxId = "cb-example****";
        // 填写云盒Bucket名称
        String bucketName = "my-cloudbox-bucket";
        ClientBuilderConfiguration conf = new ClientBuilderConfiguration();
        conf.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
            .endpoint(endpoint)
            .credentialsProvider(new DefaultCredentialProvider(
                credentialsProvider.getCredentials()))
            .clientConfiguration(conf)
            .region(region)
            .cloudBoxId(cloudBoxId)
            .build();
        try {
            CreateBucketRequest createBucketRequest = new CreateBucketRequest(bucketName);
            // 设置Bucket的读写权限为私有
            createBucketRequest.setCannedACL(CannedAccessControlList.Private);
            ossClient.createBucket(createBucketRequest);
            System.out.println("云盒Bucket创建成功：" + bucketName);
        } catch (OSSException oe) {
            System.out.println("OSSException: " + oe.getErrorMessage());
        } catch (ClientException ce) {
            System.out.println("ClientException: " + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.PutObjectRequest;
import java.io.File;
public class UploadToCloudBox {
    public static void main(String[] args) throws Exception {
        String endpoint = "https://cb-example****.cn-hangzhou.oss-cloudbox.aliyuncs.com";
        EnvironmentVariableCredentialsProvider credentialsProvider =
            CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        String region = "cn-hangzhou";
        String cloudBoxId = "cb-example****";
        String bucketName = "my-cloudbox-bucket";
        String objectName = "exampledir/examplefile.txt";
        String localFilePath = "D:\\localpath\\examplefile.txt";
        ClientBuilderConfiguration conf = new ClientBuilderConfiguration();
        conf.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
            .endpoint(endpoint)
            .credentialsProvider(new DefaultCredentialProvider(
                credentialsProvider.getCredentials()))
            .clientConfiguration(conf)
            .region(region)
            .cloudBoxId(cloudBoxId)
            .build();
        try {
            PutObjectRequest putObjectRequest = new PutObjectRequest(
                bucketName, objectName, new File(localFilePath));
            ossClient.putObject(putObjectRequest);
            System.out.println("文件上传成功：" + objectName);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.GetObjectRequest;
import java.io.File;
public class DownloadFromCloudBox {
    public static void main(String[] args) throws Exception {
        String endpoint = "https://cb-example****.cn-hangzhou.oss-cloudbox.aliyuncs.com";
        EnvironmentVariableCredentialsProvider credentialsProvider =
            CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        String region = "cn-hangzhou";
        String cloudBoxId = "cb-example****";
        String bucketName = "my-cloudbox-bucket";
        String objectName = "exampledir/examplefile.txt";
        String localFilePath = "D:\\download\\examplefile.txt";
        ClientBuilderConfiguration conf = new ClientBuilderConfiguration();
        conf.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
            .endpoint(endpoint)
            .credentialsProvider(new DefaultCredentialProvider(
                credentialsProvider.getCredentials()))
            .clientConfiguration(conf)
            .region(region)
            .cloudBoxId(cloudBoxId)
            .build();
        try {
            ossClient.getObject(new GetObjectRequest(bucketName, objectName),
                new File(localFilePath));
            System.out.println("文件下载成功：" + localFilePath);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.Bucket;
import java.util.List;
public class ListCloudBoxBuckets {
    public static void main(String[] args) throws Exception {
        String endpoint = "https://cb-example****.cn-hangzhou.oss-cloudbox.aliyuncs.com";
        EnvironmentVariableCredentialsProvider credentialsProvider =
            CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        String region = "cn-hangzhou";
        String cloudBoxId = "cb-example****";
        ClientBuilderConfiguration conf = new ClientBuilderConfiguration();
        conf.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
            .endpoint(endpoint)
            .credentialsProvider(new DefaultCredentialProvider(
                credentialsProvider.getCredentials()))
            .clientConfiguration(conf)
            .region(region)
            .cloudBoxId(cloudBoxId)
            .build();
        try {
            List<Bucket> buckets = ossClient.listBuckets();
            for (Bucket bucket : buckets) {
                System.out.println("Bucket名称：" + bucket.getName() +
                    "，创建时间：" + bucket.getCreationDate());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}