mapper.xml中常用sql

标签：批量插入   pen   查找   模糊匹配   index   order by   nts   value   use   

1.模糊匹配，时间范围，集合用IN查找登的写法

SELECT * from tableName
<where> 1 = 1
    <if test="vo.waybillPrintStatus != null and vo.waybillPrintStatus !=‘‘">
        and waybillPrintStatus = #{vo.waybillPrintStatus}
    </if>
    <if test="vo.startTime != null and vo.startTime !=‘‘">
        <![CDATA[ and time >= #{vo.startTime} ]]>
    </if>
    <if test="vo.endTime != null and vo.endTime !=‘‘">
        <![CDATA[ and time <= #{vo.endTime} ]]>
    </if>
    <if test="postProvinceIds != null and postProvinceIds.size > 0">
        and province IN
        <foreach collection="postProvinceIds" open="(" close=")" separator="," item="item">
            #{item}
        </foreach>
    </if>
</where>
order by time DESC

2.批量更新，如果为null的值给0，IFNULL函数

<update id="updatePrintStatus">
    UPDATE t_custom_xiaohs_orders
    SET
    WaybillPrintStatus= #{waybillPrintStatus},
    WaybillPrintCount = IFNULL(WaybillPrintCount, 0) + 1,
    WaybillPrintTime = NOW()
    WHERE Id in
    <foreach collection="orderIds" index="index" item="id" open="(" separator="," close=")">
        #{id}
    </foreach>
</update>

3.批量插入

<insert id="insertBatch" parameterType="java.util.List">
    insert into t_cs_stock_goods_img
    (good_code, good_img_id, good_address, good_sort, status, create_time, create_user, modify_time, modify_user)
    values
    <foreach collection="list" item="item" index="index" separator=",">
        (
        #{item.goodCode},#{item.goodImgId},#{item.goodAddress},#{item.goodSort},#{item.status},#{item.createTime},
        #{item.createUser},#{item.modifyTime},#{item.modifyUser}
        )
    </foreach>
</insert>

mapper.xml中常用sql

标签：批量插入   pen   查找   模糊匹配   index   order by   nts   value   use   

原文地址：https://www.cnblogs.com/wan1992/p/12886743.html