package cn.exrick.xboot.your.mapper; import cn.exrick.xboot.your.vo.Month; import com.baomidou.mybatisplus.core.mapper.BaseMapper; import cn.exrick.xboot.your.entity.EventLog; import org.apache.ibatis.annotations.Param; import org.apache.ibatis.annotations.Select; import java.util.List; /** * 事件日志表数据处理层 * @author whj */ public interface EventLogMapper extends BaseMapper { @Select("select \n" + "sum(case month(create_time) when '1' then 1 else 0 end) as january,\n" + "sum(case month(create_time) when '2' then 1 else 0 end) as february,\n" + "sum(case month(create_time) when '3' then 1 else 0 end) as march,\n" + "sum(case month(create_time) when '4' then 1 else 0 end) as april,\n" + "sum(case month(create_time) when '5' then 1 else 0 end) as may,\n" + "sum(case month(create_time) when '6' then 1 else 0 end) as june,\n" + "sum(case month(create_time) when '7' then 1 else 0 end) as july,\n" + "sum(case month(create_time) when '8' then 1 else 0 end) as august,\n" + "sum(case month(create_time) when '9' then 1 else 0 end) as september,\n" + "sum(case month(create_time) when '10' then 1 else 0 end) as october,\n" + "sum(case month(create_time) when '11' then 1 else 0 end) as november,\n" + "sum(case month(create_time) when '12' then 1 else 0 end) as december\n" + "from t_event_log e\n" + "where year(create_time)=#{year} and type=#{type}") Month getEventNum(@Param("year")int year,@Param("type")int type); }