Mybatis批量插入数据

    <insert id="saveInfo" parameterType="java.util.List" useGeneratedKeys="true" keyProperty="id">
        insert into v_product_info
        (
            `demand_number`,
            `product_name`,
            `product_type`,
            `sap_item_number`,
            `sgc_number`,
            `need_count`,
            `create_time`,
            `update_time`
        )
        <foreach collection="list" item="item" index="index" separator="union">
            select
                #{item.demandNumber},
                #{item.productname},
                #{item.productcode},
                #{item.materialid},
                #{item.sgccode},
                #{item.number},
                now(),
                now()
            from dual
        </foreach>
    </insert>

    <insert id="saveBatch" parameterType="java.util.List">
        <selectKey resultType ="java.lang.Integer" keyProperty= "id" order= "AFTER">
            SELECT LAST_INSERT_ID()
        </selectKey>
        insert into p_product_info_rec
        (
            `proid`, 
            `assetid`, 
            `sap_no`, 
            `porduct_model`, 
            `number`, 
            `print_no_num`, 
            `device_name`, 
            `device_type`, 
            `card_type`, 
            `card_no_type`, 
            `print_info`, 
            `mark_info`, 
            `write_info`, 
            `remark`, 
            `subpackage_no`,
            `number_code`
        )
        values
        <foreach collection ="list" item="rec" index= "index" separator =",">
        (
            #{rec.proid}, 
            #{rec.assetid}, 
            #{rec.sapNo}, 
            #{rec.porductModel}, 
            #{rec.number}, 
            #{rec.printNoNum}, 
            #{rec.deviceName}, 
            #{rec.deviceType}, 
            #{rec.cardType}, 
            #{rec.cardNoType}, 
            #{rec.printInfo}, 
            #{rec.markInfo}, 
            #{rec.writeInfo}, 
            #{rec.remark}, 
            #{rec.subpackageNo},
            #{rec.numberCode}
        )
        </foreach >
    </insert>