mysql统计今天，昨天，本周，上周，本月，上月数据（mybatis版本）

create_time为创建时间

　　 <!--今天-->
    <sql id="today">
        and to_days(create_time)= to_days(now())
    </sql>

    <!--昨天-->
    <sql id="yesterday">
        and to_days(now())-to_days(create_time) <![CDATA[ <= ]]> 1
    </sql>

    <!--本周-->
    <sql id="thisWeek">
        and YEARWEEK(date_format(create_time,'%Y-%m-%d')) = YEARWEEK(now())
    </sql>

    <!--上周-->
    <sql id="lastWeek">
        and YEARWEEK(date_format(create_time,'%Y-%m-%d')) = YEARWEEK(now())-1
    </sql>

    <!--本月-->
    <sql id="thisMonth">
        and date_format(create_time,'%Y-%m')=date_format(now(),'%Y-%m')
    </sql>

    <!--上月-->
    <sql id="lastMonth">
        and date_format(create_time,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),'%Y-%m')
    </sql>

b_share_info为分享表

b_look_info为查看表

　　 <!--查询分享数-->
    <select id="queryShareCountByDayNumber" parameterType="java.lang.Integer" resultType="java.lang.Integer"
            useCache="false">
        select count(*) as shareCount
        from b_share_info
        where user_id = #{userId}
        <if test="dayNumber != null and dayNumber == 1">
            <include refid="today"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 2">
            <include refid="yesterday"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 3">
            <include refid="thisWeek"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 4">
            <include refid="lastWeek"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 5">
            <include refid="thisMonth"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 6">
            <include refid="lastMonth"></include>
        </if>
    </select>

    <!--查询被查看数-->
    <select id="queryLookCountByDayNumber" parameterType="java.lang.Integer" resultType="java.lang.Integer"
            useCache="false">
        select sum(look_count) as lookCount
        from b_look_info
        where user_id = #{userId}
        <if test="dayNumber != null and dayNumber == 1">
            <include refid="today"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 2">
            <include refid="yesterday"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 3">
            <include refid="thisWeek"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 4">
            <include refid="lastWeek"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 5">
            <include refid="thisMonth"></include>
        </if>
        <if test="dayNumber != null and dayNumber == 6">
            <include refid="lastMonth"></include>
        </if>
    </select>