使用minio的方式

引入依赖

<dependency>
     <groupId>io.minio</groupId>
     <artifactId>minio</artifactId>
     <version>8.5.2</version>
</dependency>

配置minio客户端

配置类

@Data
@ConfigurationProperties(prefix="spzx.minio") //读取节点
public class MinioProperties {

    private String endpointUrl;
    private String accessKey;
    private String secreKey;
    private String bucketName;

}

配置属性

spzx:
  minio:
    endpointUrl: http://127.0.0.1:9000
    accessKey: minioadmin
    secreKey: minioadmin
    bucketName: spzx-bucket

创建服务并进行文件上传

存储图片文件并返回路径

@Service
public class FileUploadServiceImpl implements FileUploadService {

    @Autowired
    private MinioProperties minioProperties;
    
    @Override
    public String upload(MultipartFile multipartFile) {

        try {
            // 创建一个Minio的客户端对象
            MinioClient minioClient = MinioClient.builder()
                    .endpoint(minioProperties.getEndpointUrl())
                    .credentials(minioProperties.getAccessKey(), minioProperties.getSecreKey())
                    .build();

            // 判断桶是否存在
            boolean found = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
            if (!found) {       // 如果不存在，那么此时就创建一个新的桶
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
            } else {  // 如果存在打印信息
                System.out.println("Bucket 'spzx-bucket' already exists.");
            }

            // 设置存储对象名称
            String dateDir = DateUtil.format(new Date(), "yyyyMMdd");
            String uuid = UUID.randomUUID().toString().replace("-", "");
            //20230801/443e1e772bef482c95be28704bec58a901.jpg
            String fileName = dateDir+"/"+uuid+multipartFile.getOriginalFilename();
            System.out.println(fileName);

            PutObjectArgs putObjectArgs = PutObjectArgs.builder()
                    .bucket(minioProperties.getBucketName())
                    .stream(multipartFile.getInputStream(), multipartFile.getSize(), -1)
                    .object(fileName)
                    .build();
            minioClient.putObject(putObjectArgs) ;

            return minioProperties.getEndpointUrl() + "/" + minioProperties.getBucketName() + "/" + fileName ;

        } catch (Exception e) {
            throw new GuiguException(ResultCodeEnum.SYSTEM_ERROR);
        }
    }
}

 使用阿里云OSS对象存储服务

引入依赖

<dependency>
    <groupId>com.aliyun.oss</groupId>
    <artifactId>aliyun-sdk-oss</artifactId>
    <version>${aliyun.sdk.oss}</version>
</dependency>

配置客户端

配置类

@Component
@ConfigurationProperties(prefix = "sky.alioss")
@Data
public class AliOssProperties {

    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;

}

配置文件

sky:
  alioss:
    endpoint: oss-cn-beijing.aliyuncs.com
    access-key-id: LTAI5tBCdFW1gBAgvzT5K4CH
    access-key-secret: QIdc2BQr4KHKJ1Qdwh3OUPNvQk2dnp
    bucket-name: sky-demo02

工具类

@Data
@AllArgsConstructor
@Slf4j
public class AliOssUtil {

    private String endpoint;
    private String accessKeyId;
    private String accessKeySecret;
    private String bucketName;

    /**
     * 文件上传
     *
     * @param bytes
     * @param objectName
     * @return
     */
    public String upload(byte[] bytes, String objectName) {

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            // 创建PutObject请求。
            ossClient.putObject(bucketName, objectName, new ByteArrayInputStream(bytes));
        } 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.getErrorMessage());
            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 {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }

        //文件访问路径规则 https://BucketName.Endpoint/ObjectName
        StringBuilder stringBuilder = new StringBuilder("https://");
        stringBuilder
                .append(bucketName)
                .append(".")
                .append(endpoint)
                .append("/")
                .append(objectName);

        log.info("文件上传到:{}", stringBuilder.toString());

        return stringBuilder.toString();
    }
}

文件上传

/**
 * 通用接口
 */
@RestController
@RequestMapping("/admin/common")
@Api(tags = "通用接口")
@Slf4j
public class CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;

    @PostMapping("/upload")
    @ApiOperation("文件上传")
    public Result<String> upload(MultipartFile file){//参数名和前端提交的要一样
        log.info("文件上传: ",file);
        try {
            //原始文件名
            String originalFileName = file.getOriginalFilename();
            //截取原始文件名后缀
            String extension = originalFileName.substring(originalFileName.lastIndexOf("."));
            //新文件名称
            String objectName = UUID.randomUUID().toString() + extension;
            String filePath = aliOssUtil.upload(file.getBytes(), objectName);
            return Result.success(filePath);
        } catch (Exception e) {
            log.error("文件上传失败: {}",e);
        }
        return Result.error(MessageConstant.UPLOAD_FAILED);
    }
}