阿里云OSS存储

阿里云OSS存储,文件上传与文件删除

maven依赖：

        <dependency>
            <groupId>com.aliyun.oss</groupId>
            <artifactId>aliyun-sdk-oss</artifactId>
            <version>3.10.2</version>
        </dependency>

代码：

package com.mk.oss.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.*;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import java.io.InputStream;
import java.net.URL;
import java.util.Date;
import java.util.List;
import java.util.Objects;
import lombok.Getter;
import lombok.Setter;

@Service
@Slf4j
public class OssClient {

    private OSS create(BucketAccount bucketAccount) {

        String accessKeyId = bucketAccount.getAccessKeyId();
        String accessKeySecret = bucketAccount.getAccessKeySecret();

        OSS ossClient = new OSSClientBuilder().build(bucketAccount.getEndpoint(), accessKeyId, accessKeySecret);
        return ossClient;
    }

    public UploadResult upload(InputStream data, BucketAccount bucketAccount, String fileName) throws Throwable {

        String bucket = bucketAccount.getBucket();
        OSS ossClient = null;
        try {
            ossClient = create(bucketAccount);
            PutObjectResult putObjectResult = ossClient.putObject(bucket, fileName, data);
            String durl = getUrl(ossClient, bucketAccount, fileName);
            
            UploadResult result = new UploadResult();
            result.setBucketName(bucket);
            result.setFileName(fileName);
            result.setETag(putObjectResult.getETag());
            result.setDownloadUrl(durl);
            return result;
        } catch (Throwable e) {
            log.warn("上传OSS异常，bucket：" + bucket + ", fileName:" + fileName, e);
            throw e;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

   

    private String getUrl(OSS ossClient, BucketAccount bucketAccount, String fileName) throws Exception {

        Calendar cal = Calendar.getInstance();
        cal.setTime(new Date());
        cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) + 100);
        Date date = cal.getTime();

        URL url = ossClient.generatePresignedUrl(bucketAccount.getBucket(), fileName, date);
        String durl = url.toString();
        return durl;
         
    }

    public DeleteResult delete(BucketAccount bucketAccount, String fileName) throws Throwable {

        String bucket = bucketAccount.getBucket();
        OSS ossClient = null;
        try {
            ossClient = create(bucketAccount);
            ossClient.deleteObject(bucket, fileName);

            return new DeleteResult(bucket);
        } catch (Throwable e) {
            log.warn("删除OSS异常，bucket：" + bucket + ", fileName:" + fileName, e);
            throw e;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

    @Setter
    @Getter
    public static class BucketAccount{

        private String bucket;
        private String accessKeyId;
        private String accessKeySecret;
        private String endpoint;
    }

    @Setter
    @Getter
    public static class UploadResult {

        private String eTag;
        private String downloadUrl;
        private String bucketName;
        private String fileName;
    }

    @Setter
    @Getter
    public static class DeleteResult {
        private String bucketName;

        public DeleteResult(String bucketName) {
            this.bucketName = bucketName;
        }
    }
}