@Service public class UploadPicturesServiceImpl implements UploadPicturesService { @Override public String uploadPicture(MultipartFile file) throws IOException { String qiniuUrl = "http://rv60qz4zc.hn-bkt.clouddn.com/"; Configura

tion cfg = new Configuration(Zone.zone0()); //指定空间所在的区域，华东为zone0 UploadManager uploadManager = new UploadManager(cfg); String accessKey = "your access key"; String secretKey = "your secret key"; String bucket = "your bucket name"; Auth auth = Auth.create(accessKey, secretKey); String upToken = auth.uploadToken(bucket); try { Response response = uploadManager.put(file.getBytes(), null, upToken); DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class); return qiniuUrl + putRet.key; } catch (QiniuException ex) { Response r = ex.response; throw new IOException(r.bodyString()); } } }

这是一个上传图片到七牛云存储的服务实现类代码。其中使用了七牛云存储的 Java SDK，需要导入相关依赖。在使用之前需要先在七牛云官网注册账号并创建存储空间，并获取 accessKey 和 secretKey。具体细节可以参考七牛云官方文档。