fix：添加缓存

server-service/src/main/java/com/makeit/service/platform/elder/impl/PlatElderRealTimeServiceImpl.java

 package com.makeit.service.platform.elder.impl;
 
+import com.alibaba.fastjson.JSON;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.makeit.common.entity.BaseEntity;
 import com.makeit.dto.platform.elder.PlatElderIdDTO;
@@ -21,6 +22,7 @@ import com.makeit.utils.StandardDeviationUtil;
 import com.makeit.utils.data.convert.StreamUtil;
 import com.makeit.utils.data.validate.CollectionUtils;
 import com.makeit.utils.old.StringUtils;
+import com.makeit.utils.redis.RedisUtil;
 import com.makeit.vo.platform.elder.realtime.PlatElderCoordinateVO;
 import com.makeit.vo.platform.elder.realtime.PlatElderRealTimeBodyVO;
 import com.makeit.vo.platform.elder.realtime.PlatElderRealTimeHeartRespiratoryVO;
@@ -36,6 +38,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 /**
@@ -50,6 +53,8 @@ import java.util.stream.Collectors;
 @Service
 public class PlatElderRealTimeServiceImpl implements PlatElderRealTimeService {
 
+    public static final String ELDER_STATUS = "plat:elder:status:";
+
     @Autowired
     private PlatElderService platElderService;
 
@@ -234,6 +239,11 @@ public class PlatElderRealTimeServiceImpl implements PlatElderRealTimeService {
 
     @Override
     public PlatElderRealTimeNowVO nowStatus(PlatElderIdDTO platElderIdDTO) {
+        Object result = RedisUtil.get(ELDER_STATUS + platElderIdDTO.getElderId());
+        if (result != null) {
+            return JSON.parseObject(result.toString(),PlatElderRealTimeNowVO.class);
+        }
+
         DeviceInfoContentBreathe deviceInfoContentBreathe = getNowDataBreathe(platElderIdDTO.getElderId(), platElderIdDTO.getDeviceId());
 //
         PlatElderRealTimeNowVO platElderRealTimeNowVO = new PlatElderRealTimeNowVO();
@@ -264,6 +274,7 @@ public class PlatElderRealTimeServiceImpl implements PlatElderRealTimeService {
         platElderRealTimeNowVO.setRespiratoryRate(deviceInfoContentBreathe.getProperties().getBr());
         platElderRealTimeNowVO.setBodyMove(deviceInfoContentBreathe.getProperties().getBodymove());
 
+        RedisUtil.set(ELDER_STATUS + platElderIdDTO.getElderId(), JSON.toJSONString(platElderRealTimeNowVO),15, TimeUnit.SECONDS);
         return platElderRealTimeNowVO;
 
     }