Java集成MinIO

Myth丶恋晨 2022-12-25 08:54 195阅读 0赞

**官方文档地址：**[https://docs.min.io/cn/java-client-api-reference.html\#setBucketPolicy][https_docs.min.io_cn_java-client-api-reference.html_setBucketPolicy]

## 1.pom依赖 ##

<dependency>
                <groupId>io.minio</groupId>
                <artifactId>minio</artifactId>
                <version>3.0.10</version>
            </dependency>

## 2.代码测试 ##

/**
         * 获取文件地址
         *
         * @param id
         * @param startTime
         * @param endTime
         * @return
         */
        @GetMapping(value = "/file")
        public CommonResult<String> uploadDepartmentFile(@RequestParam("ip") String ip,
                                                         @RequestParam("id") Integer id,
                                                         @RequestParam("startTime") Long startTime,
                                                         @RequestParam("endTime") Long endTime) {
            HCNetSDK hCNetSDK = HCNetSDK.INSTANCE;
            //IP参数
            HCNetSDK.NET_DVR_IPPARACFG m_strIpparaCfg;
    
            //进行初始化
            boolean initSuc = hCNetSDK.NET_DVR_Init();
            if (initSuc != true) {
                log.error("初始化失败");
                return new CommonResult<>(-2, "初始化失败", null);
            }
            log.info("初始化成功");
    
            //注册
            //设备ip地址
            String m_sDeviceIP = ip;
            HCNetSDK.NET_DVR_DEVICEINFO_V30 m_strDeviceInfo = new HCNetSDK.NET_DVR_DEVICEINFO_V30();
            int iPort = port;
            NativeLong lUserID = hCNetSDK.NET_DVR_Login_V30(m_sDeviceIP,
                    (short) iPort, userName, password, m_strDeviceInfo);
    
            //获取userId
            long userID = lUserID.longValue();
            if (userID == -1) {
                log.error("注册失败");
                return new CommonResult<>(-3, "注册失败", null);
            }
            log.info("注册成功");
    
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
            simpleDateFormat.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
            String[] startTimes = simpleDateFormat.format(new Date(startTime)).split("-");
            String[] endTimes = simpleDateFormat.format(new Date(endTime)).split("-");
    
            //设置开始结束时间
            HCNetSDK.NET_DVR_TIME struStartTime;
            HCNetSDK.NET_DVR_TIME struStopTime;
    
            struStartTime = new HCNetSDK.NET_DVR_TIME();
            struStopTime = new HCNetSDK.NET_DVR_TIME();
            //开始时间
            struStartTime.dwYear = Integer.parseInt(startTimes[0]);
            struStartTime.dwMonth = Integer.parseInt(startTimes[1]);
            struStartTime.dwDay = Integer.parseInt(startTimes[2]);
            struStartTime.dwHour = Integer.parseInt(startTimes[3]);
            struStartTime.dwMinute = Integer.parseInt(startTimes[4]);
            struStartTime.dwSecond = Integer.parseInt(startTimes[5]);
            //结束时间
            struStopTime.dwYear = Integer.parseInt(endTimes[0]);
            struStopTime.dwMonth = Integer.parseInt(endTimes[1]);
            struStopTime.dwDay = Integer.parseInt(endTimes[2]);
            struStopTime.dwHour = Integer.parseInt(endTimes[3]);
            struStopTime.dwMinute = Integer.parseInt(endTimes[4]);
            struStopTime.dwSecond = Integer.parseInt(endTimes[5]);
    
            //获取通道号
            Integer m_iChanShowNum = id;
            String ipNumber = getIpNumber(ip);
    
            //设置文件名下载路径
            String sFileName = ipNumber + "_" + m_iChanShowNum + "_" + startTime + "_" + endTime + ".mp4";
            System.out.println(sFileName + "  --- " + simpleDateFormat.format(new Date(startTime)) + "  --- " + simpleDateFormat.format(new Date(endTime)));
            //下载
            NativeLong m_lLoadHandle = hCNetSDK.NET_DVR_GetFileByTime(lUserID, new NativeLong(m_iChanShowNum), struStartTime, struStopTime, sFileName);
            if (m_lLoadHandle.intValue() >= 0) {
                hCNetSDK.NET_DVR_PlayBackControl(m_lLoadHandle, HCNetSDK.NET_DVR_PLAYSTART, 0, null);
                while (true) {
                    try {
                        IntByReference nPos = new IntByReference(0);
                        hCNetSDK.NET_DVR_PlayBackControl(m_lLoadHandle, HCNetSDK.NET_DVR_PLAYGETPOS, 0, nPos);
                        if (nPos.getValue() > 100) {
                            hCNetSDK.NET_DVR_StopGetFile(m_lLoadHandle);
                            m_lLoadHandle.setValue(-1);
                            break;
                        }
                        if (nPos.getValue() == 100) {
                            hCNetSDK.NET_DVR_StopGetFile(m_lLoadHandle);
                            m_lLoadHandle.setValue(-1);
                            break;
                        }
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        log.error("下载错误", e);
                        e.printStackTrace();
                        break;
                    } catch (Exception e) {
                        log.error("下载错误", e);
                        break;
                    }
                }
    //            Timer timer = new Timer();//新建定时器
    //            timer.schedule(new DownloadTask(hCNetSDK, m_lLoadHandle, timer), 0, 5000);//0秒后开始响应函数
            } else {
                return new CommonResult<>(-1, "下载失败", null);
            }
    
            try {
                // 使用MinIO服务的URL，端口，Access key和Secret key创建一个MinioClient对象
                MinioClient minioClient = new MinioClient(minioIp, minioAccessKey, minioSecretKey);
    
                // 检查存储桶是否已经存在
                boolean isExist = minioClient.bucketExists(ipNumber);
                if (!isExist) {
                    // 创建一个名为asiatrip的存储桶，用于存储照片的zip文件。
                    minioClient.makeBucket(ipNumber);
                    try {
                        minioClient.setBucketPolicy(ipNumber, "*", PolicyType.READ_WRITE);
                    } catch (InvalidObjectPrefixException e) {
                        e.printStackTrace();
                    }
                }
    
                // 使用putObject上传一个文件到存储桶中。
                String objectName = "/" + m_iChanShowNum + "/" + startTimes[0] + "/" + startTimes[1] + "/" + startTimes[2] + "/" + sFileName;
                minioClient.putObject(ipNumber, objectName, new FileInputStream(sFileName), "video/mp4");
                String url = minioClient.getObjectUrl(ipNumber, objectName);
                System.out.println(url);
                File file = new File(sFileName);
                if (file.exists()) {
                    file.delete();
                }
                return new CommonResult<>(url);
            } catch (InvalidEndpointException e) {
                e.printStackTrace();
            } catch (InvalidPortException e) {
                e.printStackTrace();
            } catch (InvalidKeyException e) {
                e.printStackTrace();
            } catch (NoSuchAlgorithmException e) {
                e.printStackTrace();
            } catch (NoResponseException e) {
                e.printStackTrace();
            } catch (XmlPullParserException e) {
                e.printStackTrace();
            } catch (InvalidBucketNameException e) {
                e.printStackTrace();
            } catch (InvalidArgumentException e) {
                e.printStackTrace();
            } catch (RegionConflictException e) {
                e.printStackTrace();
            } catch (InsufficientDataException e) {
                e.printStackTrace();
            } catch (ErrorResponseException e) {
                e.printStackTrace();
            } catch (InternalException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
    
    
            return new CommonResult<>(sFileName);
        }

## 3.测试 ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3NTk4MDEx_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3NTk4MDEx_size_16_color_FFFFFF_t_70 1][]

[https_docs.min.io_cn_java-client-api-reference.html_setBucketPolicy]: https://docs.min.io/cn/java-client-api-reference.html#setBucketPolicy
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3NTk4MDEx_size_16_color_FFFFFF_t_70]: /images/20221120/bad34126c58a4d9582bc53941e5c6f95.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3NTk4MDEx_size_16_color_FFFFFF_t_70 1]: /images/20221120/aefa283480e743ae9eba2abcb54a7706.png