监测系统管理时间类型修改

vehicle-admin/src/main/java/com/ozs/web/controller/accountmanagment/MsgAlarmController.java

@@ -205,9 +205,14 @@ public class MsgAlarmController extends BaseController {
                     lw.eq(MsgHeartbeatAlarmMessage::getAlarmId, o.getAlarmId());
                 }
                 List<MsgHeartbeatAlarmMessage> list = msgHeartbeatAlarmMessageService.list(lw);
-                for (MsgHeartbeatAlarmMessage msgHeartbeatAlarmMessage : list) {
-                    o.setTrainNumName(msgHeartbeatAlarmMessage.getTrainNum()+",");
-                }              
+                if (!ObjectUtils.isEmpty(list)) {
+                    StringBuilder stringBuilder = new StringBuilder();
+                    for (MsgHeartbeatAlarmMessage msgHeartbeatAlarmMessage : list) {
+                        stringBuilder.append(msgHeartbeatAlarmMessage.getTrainNum()).append(",");
+                    }
+                    String name = stringBuilder.toString();
+                    o.setTrainNumName(name.substring(0, stringBuilder.lastIndexOf(",")));
+                }
                 return o;
             }).collect(Collectors.toList());
             page.setRecords(dto1);