|  |  | 
 |  |  |         OrganizationUnitAlarm oldRecord = organizationUnitAlarmMapper.selectById(organizationUnitAlarm.getId()); | 
 |  |  |         //更新 | 
 |  |  |         UpdateWrapper updateWrapper = new UpdateWrapper(); | 
 |  |  |         if(organizationUnitAlarm.getAlarmLevel().equals("")) | 
 |  |  |  | 
 |  |  |         if(organizationUnitAlarm.getAlarmLevel().equals("[]")) | 
 |  |  |             updateWrapper.set("alarm_level",null); | 
 |  |  |         else | 
 |  |  |             updateWrapper.set("alarm_level",organizationUnitAlarm.getAlarmLevel()); | 
 |  |  |  | 
 |  |  |         if(organizationUnitAlarm.getShowUnitKey()!=null) | 
 |  |  |             updateWrapper.set("show_unit_key",organizationUnitAlarm.getShowUnitKey()); | 
 |  |  |  | 
 |  |  |         updateWrapper.eq("id",organizationUnitAlarm.getId()); | 
 |  |  |  | 
 |  |  |         organizationUnitAlarmMapper.update(null,updateWrapper); | 
 |  |  |         //获取更新后的记录用于插入日志 | 
 |  |  |         OrganizationUnitAlarm newRecord = organizationUnitAlarmMapper.selectById(organizationUnitAlarm.getId()); |