修改mybatis更新策略配置，避免null的字段没法更新

yangys

2024-03-10 73845ab7a9c3686c93355e660d43cc651e69b61e

 mdc-parent/mdc-show/src/main/java/com/qianwen/mdc/service/plant/PlantService.java

@@ -96,14 +96,17 @@
       

      //清空原有的machine的plantId

      List<Long> oriMachineIds = this.parseMachineIdInGrid(oriGridSetting);

      logger.info("厂房原有机床id:{}",oriMachineIds);

      for(Long mid:oriMachineIds ) {

         Machine m = machineMapper.selectById(mid);

         if(m != null) {

            m.setPlantId(null);

            machineMapper.updateById(m);

            logger.info("清理机床id:{}",mid);

         }

      }

      

		
      //新配置的机床，更新plantId

      List<Long> machineIds = this.parseMachineIdInGrid(plantDTO.getGridSetting());