select * from mall_footprint where id = #{value} select distinct a.* ,b.nickname as user_name,c.name as goods_name from mall_footprint a left join mall_user b on a.user_id = b.id left join mall_goods c on a.goods_id = c.id LEFT JOIN mall_merch_user d ON a.user_id=d.user_id WHERE 1=1 and d.store_id = #{storeId} and d.merch_sn = #{merchSn} AND b.username LIKE concat('%',#{name},'%') order by ${sidx} ${order} order by a.id desc limit #{offset}, #{limit} select count(distinct a.id) from mall_footprint a left join mall_user b on a.user_id = b.id LEFT JOIN mall_merch_user d ON a.user_id=d.user_id WHERE 1=1 and d.store_id = #{storeId} and d.merch_sn = #{merchSn} AND b.username LIKE concat('%',#{name},'%') insert into mall_footprint ( `user_id`, `goods_id`, `add_time` ) values ( #{userId}, #{goodsId}, #{addTime} ) update mall_footprint `user_id` = #{userId}, `goods_id` = #{goodsId}, `add_time` = #{addTime} where id = #{id} delete from mall_footprint where id = #{value} delete from mall_footprint where id in #{id}