上传图片到七牛云

public JSONObject uploadImgToQiniu(@RequestParam MultipartFile file, HttpServletResponse response,
			HttpServletRequest request) {
		JSONObject json = new JSONObject();
		String accessKey = "8FRfIuxMy4PWt3*************fagU6btXyzHXFJ2t";
		String secretKey = "zjBmNjM2L_HcS9*************0EshG5XUsrAGj";
		String spaceName = "on5m96df7.bkt.clouddn.com/";
		String bucket = "*******";
		String key = "ds-img-" + System.currentTimeMillis();
		Configuration cfg = new Configuration(Zone.autoZone());
		UploadManager uploadManager = new UploadManager(cfg);
		Auth auth = Auth.create(accessKey, secretKey);
		String uploadToken = auth.uploadToken(bucket);
		String fileName = file.getOriginalFilename();
		key += fileName.substring(fileName.indexOf("."), fileName.length());
		try {
			Response qiniuresponse = uploadManager.put(file.getBytes(), key, uploadToken);
			DefaultPutRet putRet = new Gson().fromJson(qiniuresponse.bodyString(), DefaultPutRet.class);
			if (null != putRet) {
				json.put("imgUrl", spaceName + key);
				return json;
			}
		} catch (Exception e) {
			log.error("图片上传服务器出错,{}", e.getMessage());
		}
		return null;
	}

pom.xml引入：

 <dependency>
			<groupId>com.qiniu</groupId>
			<artifactId>qiniu-java-sdk</artifactId>
			<version>7.2.0</version>
		</dependency>