java 代码 oss 下载
时间: 2023-08-01 09:08:19 浏览: 89
java下载代码
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好的,以下是使用 Java SDK 实现 OSS 下载的示例代码:
```java
import java.io.File;
import java.io.IOException;
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.GetObjectRequest;
import com.aliyun.oss.model.OSSObject;
public class DownloadObjectSample {
private static String endpoint = "yourEndpoint";
private static String accessKeyId = "yourAccessKeyId";
private static String accessKeySecret = "yourAccessKeySecret";
private static String bucketName = "yourBucketName";
private static String objectName = "yourObjectName";
private static String localFile = "yourLocalFile";
public static void main(String[] args) throws IOException {
// 创建OSSClient实例
OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
try {
// 下载OSS文件到本地文件。如果指定的本地文件存在会覆盖,不存在则新建。
ossClient.getObject(new GetObjectRequest(bucketName, objectName), new File(localFile));
} 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.getErrorCode());
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 {
// 关闭OSSClient实例
ossClient.shutdown();
}
}
}
```
在这个示例代码中,您需要替换 `endpoint`、`accessKeyId`、`accessKeySecret`、`bucketName`、`objectName` 和 `localFile` 这几个参数的值为您自己的实际值。其中,`endpoint` 是 OSS 服务的访问域名,`accessKeyId` 和 `accessKeySecret` 是您的 Access Key ID 和 Access Key Secret,`bucketName` 是您要下载文件所在的存储空间名称,`objectName` 是您要下载的文件名,`localFile` 是您要将文件下载到本地的路径和文件名。
希望对您有帮助!
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