feat(record): 添加获取报警数据总数接口

- 在 EmsRecordAlarmDataController 中添加 getAlarmDataTotalCount 方法
- 在 IEmsRecordAlarmDataService 和 EmsRecordAlarmDataServiceImpl 中添加 getAlarmDataTotalCount 接口和实现
- 在 EmsRecordAlarmDataMapper 中添加 getAlarmDataTotalCount 方法
- 在 EmsRecordAlarmDataMapper.xml 中添加对应的 SQL 查询语句

os-ems/src/main/java/com/os/ems/record/controller/EmsRecordAlarmDataController.java

@@ -115,4 +115,13 @@ public class EmsRecordAlarmDataController extends BaseController
         return toAjax(emsRecordAlarmDataService.handleExceptionsAlarmData(objIds));
     }
 
+    /**
+     * 获取数据表总数（alarm_type = 0)
+     */
+    @GetMapping("/getAlarmDataTotalCount")
+    public int getAlarmDataTotalCount()
+    {
+        return emsRecordAlarmDataService.getAlarmDataTotalCount();
+    }
+
 }

os-ems/src/main/java/com/os/ems/record/mapper/EmsRecordAlarmDataMapper.java

@@ -82,4 +82,9 @@ public interface EmsRecordAlarmDataMapper
                                           @Param("cause") String cause,
                                           @Param("startTime") Date startTime,
                                           @Param("endTime") Date endTime);
+
+    /**
+     * 获取数据表总数（alarm_type = 0
+     */
+    Integer getAlarmDataTotalCount();
 }

os-ems/src/main/java/com/os/ems/record/service/IEmsRecordAlarmDataService.java

@@ -70,4 +70,9 @@ public interface IEmsRecordAlarmDataService
      * 物联网数据阈值检查定时任务
      */
     void checkIotenvThresholdAlarms();
+
+    /**
+     * 获取数据表总数（alarm_type = 0)
+     */
+    public int getAlarmDataTotalCount();
 }

os-ems/src/main/java/com/os/ems/record/service/impl/EmsRecordAlarmDataServiceImpl.java

@@ -435,4 +435,12 @@ public class EmsRecordAlarmDataServiceImpl implements IEmsRecordAlarmDataService
         Integer count = recordIotenvInstantMapper.checkTableExists(params);
         return count != null && count > 0;
     }
+
+    /**
+     * 获取数据表总数（alarm_type = 0
+     */
+    @Override
+    public int getAlarmDataTotalCount() {
+        return emsRecordAlarmDataMapper.getAlarmDataTotalCount();
+    }
 }

os-ems/src/main/resources/mapper/ems/record/EmsRecordAlarmDataMapper.xml

@@ -173,4 +173,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
           AND alarm_status = 1
           AND collect_time BETWEEN #{startTime} AND #{endTime}
     </select>
+
+    <!-- 获取数据表总数（alarm_type = 0） -->
+    <select id="getAlarmDataTotalCount" resultType="java.lang.Integer">
+        SELECT COUNT(*)
+        FROM ems_record_alarm_data
+        WHERE alarm_type = 0
+    </select>
+
 </mapper>