云盒下载Object

package com.aliyun.oss.demo;

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.GetObjectRequest;
import java.io.File;
import com.aliyun.oss.common.auth.DefaultCredentialProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;

public class Demo {

    public static void main(String[] args) throws Exception {
        // 填写云盒Bucket的数据域名。
        String endpoint = "https://cb-f8z7yvzgwfkl9q0h****.cn-hangzhou.oss-cloudbox.aliyuncs.com";
        // 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // 填写云盒Bucket名称，例如examplebucket。
        String bucketName = "examplebucket";
        // 填写云盒Bucket所在地域。
        String region = "cn-hangzhou";
        // 填写云盒ID。
        String cloudBoxId = "cb-f8z7yvzgwfkl9q0h****";
        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        String objectName = "exampledir/exampleobject.txt";
        // 填写本地文件完整路径。
        String pathName = "D:\\localpath\\examplefile.txt";

        // 创建OSSClient实例。
        // 当OSSClient实例不再使用时，调用shutdown方法以释放资源。
        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 {
            // 下载Object到本地文件，并保存到指定的本地路径中。如果指定的本地文件存在会覆盖，不存在则新建。
            // 如果未指定本地路径，则下载后的文件默认保存到示例程序所属项目对应本地路径中。
            ossClient.getObject(new GetObjectRequest(bucketName, objectName), new File(pathName));
        } 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();
            }
        }
    }
}

import alibabacloud_oss_v2 as oss

# 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
credentials_provider = oss.credentials.EnvironmentVariableCredentialsProvider()

# 使用SDK的默认配置。
cfg = oss.config.load_default()
cfg.credentials_provider = credentials_provider
# 填写云盒Bucket所在地域，例如cn-hangzhou。
cfg.region = "cn-hangzhou"
# 填写云盒ID。设置云盒ID后，SDK会自动将签名的产品切换为oss-cloudbox。
cfg.cloud_box_id = "cb-f8z7yvzgwfkl9q0h****"
# 填写云盒Bucket的数据域名，格式为CloudboxId.Region.oss-cloudbox.aliyuncs.com。
cfg.endpoint = "cb-f8z7yvzgwfkl9q0h****.cn-hangzhou.oss-cloudbox.aliyuncs.com"

# 创建OSS客户端。
client = oss.Client(cfg)

# 将Object下载到本地文件，并保存到指定的本地路径中。如果指定的本地文件存在会覆盖，不存在则新建。
result = client.get_object_to_file(oss.GetObjectRequest(
    bucket="examplebucket",
    key="exampledir/exampleobject.txt",
), "D:\\localpath\\examplefile.txt")

print(f'status code: {result.status_code},'
      f' request id: {result.request_id},'
      f' content length: {result.content_length},'
      f' etag: {result.etag},')

package main

import (
	"context"
	"log"

	"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss"
	"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss/credentials"
)

func main() {
	// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
	// 使用SDK的默认配置，并指定地域、云盒ID和数据域名。
	cfg := oss.LoadDefaultConfig().
		WithCredentialsProvider(credentials.NewEnvironmentVariableCredentialsProvider()).
		// 填写云盒Bucket所在地域，例如cn-hangzhou。
		WithRegion("cn-hangzhou").
		// 填写云盒Bucket的数据域名，格式为CloudboxId.Region.oss-cloudbox.aliyuncs.com。
		WithEndpoint("cb-f8z7yvzgwfkl9q0h****.cn-hangzhou.oss-cloudbox.aliyuncs.com").
		// 填写云盒ID。设置云盒ID后，SDK会自动将签名的产品切换为oss-cloudbox。
		WithCloudBoxId("cb-f8z7yvzgwfkl9q0h****")

	// 创建OSS客户端。
	client := oss.NewClient(cfg)

	// 指定下载后保存到本地的文件路径。
	localFile := "D:\\localpath\\examplefile.txt"

	// 将Object下载到本地文件，并保存到指定的本地路径中。如果指定的本地文件存在会覆盖，不存在则新建。
	result, err := client.GetObjectToFile(context.TODO(), &oss.GetObjectRequest{
		Bucket: oss.Ptr("examplebucket"),
		Key:    oss.Ptr("exampledir/exampleobject.txt"),
	}, localFile)
	if err != nil {
		log.Fatalf("failed to get object to file %v", err)
	}

	log.Printf("get object to file result, status code:%d, request id:%s, content length:%v\n",
		result.StatusCode, result.RequestID, result.ContentLength)
}