package com.zy.asrs.wcs.core.service.impl; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.zy.asrs.wcs.core.mapper.DeviceCtgMapper; import com.zy.asrs.wcs.core.entity.DeviceCtg; import com.zy.asrs.wcs.core.service.DeviceCtgService; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import org.springframework.stereotype.Service; @Service("deviceCtgService") public class DeviceCtgServiceImpl extends ServiceImpl implements DeviceCtgService { @Override public DeviceCtg selectByFlag(String flag) { return this.getOne(new LambdaQueryWrapper().eq(DeviceCtg::getFlag, flag)); } }