Python 实现方式:https://blog.csdn.net/qq_33811662/article/details/80710268
使用 java 包去连接 s3 并且向 s3 上传文件,需要有 s3 的包,此处我用的是 maven 项目去导入 s3 的包,在 pom.xml 中加入如下内容
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk-s3</artifactId>
<version>1.11.347</version>
</dependency>
此时 maven 会自动导入相关的依赖包:
然后需要有一个 aws 的 s3 权限的一个 IAM 帐号,需要得到 access_key 和 secret_key
最后是代码部分:
import java.io.File;
import java.io.IOException;
import java.net.URL;
import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.CannedAccessControlList;
import com.amazonaws.services.s3.model.GeneratePresignedUrlRequest;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.transfer.TransferManager;
public class UploadTest {
AmazonS3 s3;
String AWS_ACCESS_KEY = "xxxxxxxx"; // 【你的 access_key】
String AWS_SECRET_KEY = "xxxxxxxx"; // 【你的 aws_secret_key】
String bucketName = "xxxxxxx"; // 【你 bucket 的名字】 # 首先需要保证 s3 上已经存在该存储桶
static {
s3 = new AmazonS3Client(new BasicAWSCredentials(AWS_ACCESS_KEY, AWS_SECRET_KEY));
s3.setRegion(Region.getRegion(Regions.US_EAST_1)); // 此处根据自己的 s3 地区位置改变
}
public String uploadToS3(File tempFile, String remoteFileName) throws IOException {
try {
String bucketPath = bucketName + "/upload" ;
s3.putObject(new PutObjectRequest(bucketPath, remoteFileName, tempFile)
.withCannedAcl(CannedAccessControlList.PublicRead));
GeneratePresignedUrlRequest urlRequest = new GeneratePresignedUrlRequest(bucketName, remoteFileName);
URL url = s3.generatePresignedUrl(urlRequest);
return url.toString();
} catch (AmazonServiceException ase) {
ase.printStackTrace();
} catch (AmazonClientException ace) {
ace.printStackTrace();
}
return null;
}
@Test
public void test(){
File uploadFile = new File("c:/test.txt");
String uploadKey = "test"
uploadToS3(uploadFile,uploadKey);
}
}