分散ファイルストレージの実装: Java は Huawei Cloud OBS を統合します

# OBS的配置信息
accessKeyId = your-access-key-id
secretAccessKey = your-secret-access-key
endPoint = obs.cn-north-1.myhuaweicloud.com
bucketName = your-bucket-name

package com.example;

import java.io.File;
import java.io.IOException;
import java.util.Properties;
import com.obs.services.ObsClient;
import com.obs.services.exception.ObsException;
import com.obs.services.model.PutObjectRequest;
import com.obs.services.model.PutObjectResult;

public class OBSClientExample {
    private static String accessKeyId;
    private static String secretAccessKey;
    private static String endPoint;
    private static String bucketName;
    private static ObsClient obsClient;

    static {
        Properties properties = new Properties();
        try {
            properties.load(OBSClientExample.class.getResourceAsStream("/config.properties"));
        } catch (IOException e) {
            e.printStackTrace();
        }
        accessKeyId = properties.getProperty("accessKeyId");
        secretAccessKey = properties.getProperty("secretAccessKey");
        endPoint = properties.getProperty("endPoint");
        bucketName = properties.getProperty("bucketName");

        obsClient = new ObsClient(accessKeyId, secretAccessKey, endPoint);
    }

    public static void main(String[] args) {
        File file = new File("path/to/your/file"); // 请将文件路径替换为实际的文件路径
        String objectKey = "object-key"; // 指定上传到OBS的对象键

        try {
            PutObjectResult result = obsClient.putObject(bucketName, objectKey, file);
            System.out.println("文件上传成功，文件URL：" + result.getObjectUrl());
        } catch (ObsException e) {
            e.printStackTrace();
        } finally {
            obsClient.close();
        }
    }
}

package com.example;

public class Main {

    public static void main(String[] args) {
        OBSClientExample.main(args);
    }

}

package com.example;

import java.io.File;
import java.io.IOException;
import java.util.Properties;
import com.obs.services.ObsClient;
import com.obs.services.exception.ObsException;
import com.obs.services.model.DownloadFileRequest;
import com.obs.services.model.DownloadFileResult;

public class OBSClientExample {
    private static String accessKeyId;
    private static String secretAccessKey;
    private static String endPoint;
    private static String bucketName;
    private static ObsClient obsClient;

    static {
        Properties properties = new Properties();
        try {
            properties.load(OBSClientExample.class.getResourceAsStream("/config.properties"));
        } catch (IOException e) {
            e.printStackTrace();
        }
        accessKeyId = properties.getProperty("accessKeyId");
        secretAccessKey = properties.getProperty("secretAccessKey");
        endPoint = properties.getProperty("endPoint");
        bucketName = properties.getProperty("bucketName");

        obsClient = new ObsClient(accessKeyId, secretAccessKey, endPoint);
    }

    public static void main(String[] args) {
        String objectKey = "object-key"; // 要下载的对象键
        String downloadFilePath = "path/to/save/downloaded/file"; // 下载的文件保存路径

        DownloadFileRequest request = new DownloadFileRequest(bucketName, objectKey);
        request.setDownloadFile(downloadFilePath);

        try {
            DownloadFileResult result = obsClient.downloadFile(request);
            System.out.println("文件下载成功，下载的文件路径：" + result.getDownloadFile());
        } catch (ObsException e) {
            e.printStackTrace();
        } finally {
            obsClient.close();
        }
    }
}