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https://codeup.aliyun.com/67c68d4e484ca2f0a13ac3c1/ydc/jsowell-charger-web.git
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update 调整相机相关Service结构
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Lemon
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package com.jsowell.service;
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import com.alibaba.fastjson2.JSONArray;
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import com.alibaba.fastjson2.JSONObject;
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import com.aliyun.oss.OSS;
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import com.aliyun.oss.OSSClientBuilder;
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import com.aliyun.oss.model.ObjectMetadata;
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import com.jsowell.common.config.AliyunOssConfig;
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import com.jsowell.common.constant.CacheConstants;
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import com.jsowell.common.core.redis.RedisCache;
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import com.jsowell.common.util.DateUtils;
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import com.jsowell.common.util.StringUtils;
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import com.jsowell.common.util.file.AliyunOssUploadUtils;
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import com.jsowell.common.util.file.ImageUtils;
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import com.jsowell.common.util.sign.MD5Util;
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import com.jsowell.netty.server.mqtt.BootNettyMqttChannelInboundHandler;
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import com.jsowell.pile.domain.PileCameraInfo;
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import com.jsowell.pile.dto.GenerateOccupyOrderDTO;
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import com.jsowell.pile.dto.camera.CameraHeartBeatDTO;
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import com.jsowell.pile.dto.camera.CameraIdentifyResultsDTO;
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import com.jsowell.pile.service.IMemberBasicInfoService;
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import com.jsowell.pile.service.IMemberPlateNumberRelationService;
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import com.jsowell.pile.service.IPileCameraInfoService;
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import com.jsowell.pile.service.OrderPileOccupyService;
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import com.jsowell.pile.vo.uniapp.MemberVO;
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import io.netty.channel.Channel;
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import org.apache.commons.collections4.CollectionUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.time.LocalDateTime;
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import java.time.ZoneOffset;
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import java.util.Base64;
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import javax.imageio.ImageIO;
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import java.util.List;
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import java.util.Locale;
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/**
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* 相机管理系统 Service
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*
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* @author Lemon
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* @Date 2023/12/5 11:11:32
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*/
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@Service
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public class CameraService {
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private final Logger logger = LoggerFactory.getLogger(this.getClass());
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@Autowired
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private RedisCache redisCache;
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@Autowired
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private IPileCameraInfoService pileCameraInfoService;
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@Autowired
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private OrderPileOccupyService orderPileOccupyService;
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@Autowired
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private BootNettyMqttChannelInboundHandler handler;
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@Autowired
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private IMemberBasicInfoService memberBasicInfoService;
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public void receiveIdentifyResults(JSONObject jsonObject) {
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// 区分入场和出场
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Integer parking_state = jsonObject.getJSONObject("parking").getInteger("parking_state");
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if (parking_state == 1) {
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// 入场
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String parkingState = "ENTRY";
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vehicleEntry(jsonObject, parkingState);
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}
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if (parking_state == 2) {
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// 在场
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}
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if (parking_state == 4) {
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// 出场
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}
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// saveInfo2DataBase(jsonObject);
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}
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public void saveHeartBeat2Redis(CameraHeartBeatDTO dto) {
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// 将基本信息存入缓存
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String redisKey = CacheConstants.CAMERA_HEARTBEAT + dto.getIp();
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redisCache.setCacheObject(redisKey, dto.getSn());
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}
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/**
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* 车辆入场
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*
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* @param jsonObject
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*/
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private void vehicleEntry(JSONObject jsonObject, String parkingState) {
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// 先将车牌图片信息存入缓存
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// boolean result = saveCarPicture2Redis(jsonObject, parkingState);
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// 将信息存数据库
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boolean result = saveInfo2DataBase(jsonObject);
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if (!result) {
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logger.error("车辆入场，将信息存入数据库 error, 源数据：{}", jsonObject);
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return;
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}
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// 根据车牌号找出绑定小程序的用户
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CameraIdentifyResultsDTO.ProductH.Plate plate = JSONObject.parseObject(jsonObject.getJSONObject("product_h").getJSONObject("plate").toJSONString(),
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CameraIdentifyResultsDTO.ProductH.Plate.class);
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if (plate == null) {
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return;
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}
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// Base64 解密
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String plateNumber = cn.hutool.core.codec.Base64.decodeStr(plate.getPlate());
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List<MemberVO> memberList = memberBasicInfoService.getMemberInfoByPlateNumber(plateNumber);
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if (CollectionUtils.isNotEmpty(memberList)) {
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// 如果是有小程序的用户，则先降地锁，然后生成一笔占桩订单
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// 发送降锁指令
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// 生成占桩订单
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} else {
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// 如果没有小程序账号，再根据此车牌是否有挂起的占桩订单
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// 如果没有，则先降锁，再生成一笔占桩订单
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// 如果有已挂起的占桩订单，则不予降锁，将“已存在有未支付的占桩订单”信息返回
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}
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// TODO 生成占桩订单
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// GenerateOccupyOrderDTO dto = new GenerateOccupyOrderDTO();
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// dto.setMemberId();
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// dto.setPileSn();
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// dto.setConnectorCode();
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// orderPileOccupyService.generateOccupyPileOrder()
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}
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private boolean saveInfo2DataBase(JSONObject jsonObject) {
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// 车牌信息
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CameraIdentifyResultsDTO.ProductH.Plate plate = JSONObject.parseObject(jsonObject.getJSONObject("product_h").getJSONObject("plate").toJSONString(),
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CameraIdentifyResultsDTO.ProductH.Plate.class);
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if (plate == null) {
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return false;
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}
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// 停车位信息
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CameraIdentifyResultsDTO.ProductH.Parking parking = JSONObject.parseObject(jsonObject.getJSONObject("product_h").getJSONObject("parking").toJSONString(),
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CameraIdentifyResultsDTO.ProductH.Parking.class);
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if (parking == null) {
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return false;
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}
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// 设备信息
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CameraIdentifyResultsDTO.DeviceInfo deviceInfo = JSONObject.parseObject(jsonObject.getJSONObject("device_info").toJSONString(),
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CameraIdentifyResultsDTO.DeviceInfo.class);
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if (deviceInfo == null) {
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return false;
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}
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// 获取背景图片
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JSONArray bgImgs = jsonObject.getJSONArray("bg_img");
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List<CameraIdentifyResultsDTO.BgImg> bgImgList = bgImgs.toList(CameraIdentifyResultsDTO.BgImg.class);
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if (CollectionUtils.isEmpty(bgImgList)) {
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return false;
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}
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// Base64解密
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String plateNumber = cn.hutool.core.codec.Base64.decodeStr(plate.getPlate());
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String zoneName = cn.hutool.core.codec.Base64.decodeStr(parking.getZoneName());
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for (CameraIdentifyResultsDTO.BgImg bgImg : bgImgList) {
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// 上传到阿里云OSS，获取图片上传成功后的地址
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String fileName = zoneName + "-" + System.currentTimeMillis() / 1000 + ".jpg";
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String url = saveImage(bgImg.getImage(), fileName);
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if (StringUtils.isBlank(url)) {
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logger.error("车位号：{} 图片上传失败", zoneName);
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continue;
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}
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PileCameraInfo pileCameraInfo = PileCameraInfo.builder()
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.deviceName(deviceInfo.getDevName())
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.deviceIp(deviceInfo.getIp())
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.deviceSn(deviceInfo.getSn())
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.plateNumber(plateNumber)
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.parkingState(String.valueOf(parking.getParkingState()))
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.zoneId(parking.getZoneId())
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.zoneName(zoneName)
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.color(plate.getColor())
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.plateType(plate.getType())
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.image(url)
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.build();
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// 插入数据库
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pileCameraInfoService.insertPileCameraInfo(pileCameraInfo);
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}
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return true;
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}
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/**
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* 保存图像
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* @param base64Image 图像的Base64编码
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* @param fileName 文件名
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* @return
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*/
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private String saveImage(String base64Image, String fileName) {
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try {
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// 将Base64编码的字符串解码为字节数组
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byte[] imageBytes = Base64.getDecoder().decode(base64Image);
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// 将字节数组转换为 BufferedImage
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ByteArrayInputStream inputStream = new ByteArrayInputStream(imageBytes);
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BufferedImage originalImage = ImageIO.read(inputStream);
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// 对图像进行压缩
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double quality = 0.5; // 压缩质量
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BufferedImage compressedImage = ImageUtils.compressImage(originalImage, quality);
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// 将压缩后的图片转换为字节数组
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ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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ImageIO.write(compressedImage, "jpg", outputStream);
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byte[] compressedImageBytes = outputStream.toByteArray();
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// 上传图片到OSS
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String url = AliyunOssUploadUtils.upload2OSS(compressedImageBytes, fileName);
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if (StringUtils.isNotBlank(url)) {
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return url;
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 发送具体指令到某主题
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* @param sn 设备 sn
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* @param msgType 消息类型
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* @param msgPrefix 消息前缀
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* @param topic 主题
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* @param msgData 消息内容
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* @throws InterruptedException
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*/
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public void sendMsg2Topic(String sn, String msgType, String msgPrefix, String topic, JSONObject msgData) throws InterruptedException {
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JSONObject jsonObject = spliceStr(sn, msgType, msgPrefix);
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// 通过sn查找出对应的channelId
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String mqttConnectRedisKey = CacheConstants.MQTT_CONNECT_SN + sn;
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Object cacheObject = redisCache.getCacheObject(mqttConnectRedisKey);
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if (cacheObject == null) {
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return;
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}
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String channelId = (String) cacheObject;
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if (msgData != null) {
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jsonObject.put("msg_data", msgData);
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}
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logger.info("给相机发送远程命令，sn:{}, 消息类型:{}, 主题:{}, 最终发送数据:{}", sn, msgType, topic, jsonObject.toJSONString());
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// 发送消息
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handler.sendMsg(channelId, topic, jsonObject.toJSONString());
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}
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/**
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* 根据规则拼装字符串
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* @param sn 设备 sn
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* @param msgType 消息类型
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* @param msgPrefix 消息前缀
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* @return 拼装好的json对象
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*/
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private JSONObject spliceStr(String sn, String msgType, String msgPrefix) {
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StringBuilder sb = new StringBuilder();
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String msgId = msgPrefix + DateUtils.dateTimeNow(DateUtils.YYYYMMDDHHMMSS) + "01";
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String timeStamp = DateUtils.dateTimeNow(DateUtils.YYYY_MM_DD_HH_MM_SS);
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sb.append("sn=").append(sn)
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.append("×tamp=").append(timeStamp)
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.append("&msg_id=").append(msgId)
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.append("&msg_type=").append(msgType);
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// 进行 32 位 MD5 计算
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String sign = MD5Util.MD5Encode(sb.toString()).toUpperCase(Locale.ROOT);
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JSONObject jsonObject = new JSONObject();
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jsonObject.put("sign", sign);
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jsonObject.put("sn", sn);
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jsonObject.put("timestamp", timeStamp);
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jsonObject.put("msg_id", msgId);
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jsonObject.put("msg_type", msgType);
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return jsonObject;
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}
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/**
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* 将车辆图片信息存入缓存
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* @param jsonObject
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*/
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// private boolean saveCarPicture2Redis(JSONObject jsonObject, String parkingState) {
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// // 获取车牌号
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// String plateNumber = jsonObject.getJSONObject("plate").getString("plate");
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// if (StringUtils.isBlank(plateNumber)) {
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// return false;
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// }
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// // 获取背景图片
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// JSONArray bgImgs = jsonObject.getJSONArray("bg_img");
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// List<CameraIdentifyResultsDTO.BgImg> bgImgList = bgImgs.toList(CameraIdentifyResultsDTO.BgImg.class);
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// if (CollectionUtils.isEmpty(bgImgList)) {
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// return false;
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// }
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// for (CameraIdentifyResultsDTO.BgImg bgImg : bgImgList) {
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// String image = bgImg.getImage(); // 图片的 base64 编码
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// // String key = bgImg.getKey(); // 索引id
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// // key: 前缀 + 车牌号 + 日期 + 入场/出场状态
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// String redisKey = CacheConstants.CAMERA_IMAGE_BY_PLATE_NUMBER + plateNumber + "_" + DateUtils.getDate() + "_" + parkingState;
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// // 存入缓存
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// // 暂时永久保存
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// redisCache.setCacheObject(redisKey, image);
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// }
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// return true;
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// }
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}
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