package com.fdkankan.ucenter.service.impl; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.fdkankan.ucenter.entity.CameraVersion; import com.fdkankan.ucenter.mapper.ICameraVersionMapper; import com.fdkankan.ucenter.service.ICameraVersionService; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import org.apache.commons.lang3.StringUtils; import org.springframework.stereotype.Service; import java.util.List; /** *

* 相机版本表 服务实现类 *

* * @author * @since 2022-10-13 */ @Service public class CameraVersionServiceImpl extends ServiceImpl implements ICameraVersionService { @Override public CameraVersion findByStatus(String type) { LambdaQueryWrapper wrapper = new LambdaQueryWrapper<>(); wrapper.eq(CameraVersion::getStatus,"A"); if(StringUtils.isNotBlank(type)){ wrapper.eq(CameraVersion::getType,type); }else { wrapper.eq(CameraVersion::getType,1); } wrapper.orderByDesc(CameraVersion::getCreateTime); List list = this.list(wrapper); if (list.size() > 0) { return list.get(0); } return null; } }