Google Drive是由Google提供的一项云存储服务,它允许用户在云端存储、同步和共享文件。Google Drive提供了丰富的API,使开发者可以通过编程方式访问和操作存储在Google Drive中的文件和文件夹。
要从控制台获取Google Drive的信息,可以使用Google Drive API提供的Java库。以下是一些步骤和代码示例,用于从控制台获取Google Drive的信息:
<dependency>
<groupId>com.google.api-client</groupId>
<artifactId>google-api-client</artifactId>
<version>1.31.0</version>
</dependency>
<dependency>
<groupId>com.google.oauth-client</groupId>
<artifactId>google-oauth-client-jetty</artifactId>
<version>1.31.0</version>
</dependency>
<dependency>
<groupId>com.google.apis</groupId>
<artifactId>google-api-services-drive</artifactId>
<version>v3-rev305-1.25.0</version>
</dependency>
import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.drive.Drive;
import com.google.api.services.drive.model.File;
import com.google.api.services.drive.model.FileList;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.List;
public class GoogleDriveExample {
private static final String APPLICATION_NAME = "Your Application Name";
private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();
private static final String CREDENTIALS_FILE_PATH = "path/to/credentials.json";
public static void main(String[] args) {
try {
// 初始化HTTP传输
HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
// 从JSON凭据文件中构建凭据
Credential credential = GoogleCredential.fromStream(
GoogleDriveExample.class.getResourceAsStream(CREDENTIALS_FILE_PATH))
.createScoped(DriveScopes.all());
// 构建Google Drive客户端
Drive driveService = new Drive.Builder(httpTransport, JSON_FACTORY, credential)
.setApplicationName(APPLICATION_NAME)
.build();
// 获取文件列表
FileList fileList = driveService.files().list().execute();
List<File> files = fileList.getFiles();
// 打印文件信息
if (files != null && !files.isEmpty()) {
for (File file : files) {
System.out.println("File Name: " + file.getName());
System.out.println("File ID: " + file.getId());
System.out.println("File Size: " + file.getSize());
System.out.println("----------");
}
} else {
System.out.println("No files found.");
}
} catch (GeneralSecurityException | IOException e) {
e.printStackTrace();
}
}
}
请注意,上述代码中的CREDENTIALS_FILE_PATH
应该是您保存JSON凭据文件的路径。
以上代码将打印Google Drive中的文件列表,包括文件名、文件ID和文件大小等信息。
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