package cn.exrick.xboot.your.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import cn.exrick.xboot.your.entity.Fingerprint;
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import org.apache.ibatis.annotations.Select;
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import java.util.List;
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/**
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* 指纹数据处理层
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* @author Exrick
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*/
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public interface FingerprintMapper extends BaseMapper<Fingerprint> {
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@Select("select max(code) from t_fingerprint where user_id is not null")
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Integer maxCode();
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@Select("select max(code) from t_fingerprint where area_id=#{areaId}")
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Integer maxCode2(String areaId);
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}
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