心跳接口修改

vehicle-sdk/src/main/java/com/ozs/controller/upload/GeoHazardMonitorTokenController.java

@@ -3,6 +3,7 @@ package com.ozs.controller.upload;
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.ozs.common.core.domain.entity.SysDictData;
 import com.ozs.common.core.redis.RedisCache;
 import com.ozs.common.utils.ApiTokenUtils;
@@ -575,9 +576,10 @@ public class GeoHazardMonitorTokenController {
             terminal.eq(BaseTerminal::getTerminalCode, vehiclePosition.getTerminalCode());
             boolean update = baseTerminalService.update(baseTerminal1, terminal);
             //获取心跳接口相机记录表信息
-            List<TerminalHeartbeatLog> heartbeatLogList = terminalHeartbeatLogService.list(new LambdaQueryWrapper<TerminalHeartbeatLog>()
-                    .orderByDesc(TerminalHeartbeatLog::getCreateTime)
-                    .last("limit 4"));
+            List<TerminalHeartbeatLog> heartbeatLogList = terminalHeartbeatLogService.list(new QueryWrapper<TerminalHeartbeatLog>()
+                    .select("DISTINCT camera_code") // 替换your_distinct_field1, your_distinct_field2为实际需要去重的字段名
+                    .orderByDesc("create_time")
+                    .last("limit 2"));
             List<String> codeList = new ArrayList<>();
             log.info("-----heartbeatLogList----->" + heartbeatLogList);
             if (!ObjectUtils.isEmpty(heartbeatLogList)) {