标签:配置文件 discount items price spec item foreach mybatis id
<select id="queryItemComments" parameterType="Map" resultType="com.imooc.pojo.vo.ItemCommentVO">
SELECT
ic.comment_level as commentLevel,
ic.content as content,
ic.sepc_name as specName,
ic.created_time as createdTime,
u.face as userFace,
u.nickname as nickname
FROM
items_comments ic
LEFT JOIN
users u
ON
ic.user_id = u.id
WHERE
ic.item_id = #{paramsMap.itemId}
<if test="paramsMap.level!=null and paramsMap.level!=''">
and ic.comment_level = #{paramsMap.level}
</if>
</select>
<select id="searchItems" parameterType="Map" resultType="com.imooc.pojo.vo.SearchItemsVO">
SELECT
i.id as itemId,
i.item_name as itemName,
i.sell_counts as sellCounts,
ii.url as imgUrl,
tempSpec.price_discount as price
FROM
items i
LEFT JOIN
items_img ii
on
i.id = ii.item_id
LEFT JOIN
(SELECT item_id,MIN(price_discount) as price_discount from items_spec GROUP BY item_id) tempSpec
on
i.id = tempSpec.item_id
WHERE
ii.is_main = 1
<if test="paramsMap.keywords!=null and paramsMap.keywords!=''">
and i.item_name like '%${paramsMap.keywords}%'
</if>
order by
<choose>
<when test="paramsMap.sort == "c" ">
i.sell_counts desc
</when>
<when test="paramsMap.sort == "p" ">
tempSpec.price_discount asc
</when>
<otherwise>
i.item_name asc
</otherwise>
</choose>
</select>
<!-- k: 默认,代表默认排序,根据name-->
<!-- c: 根据销量排序-->
<!-- p: 根据价格排序-->
<select id="searchItemsByThirdCat" parameterType="Map" resultType="com.imooc.pojo.vo.SearchItemsVO">
SELECT
i.id as itemId,
i.item_name as itemName,
i.sell_counts as sellCounts,
ii.url as imgUrl,
tempSpec.price_discount as price
FROM
items i
LEFT JOIN
items_img ii
on
i.id = ii.item_id
LEFT JOIN
(SELECT item_id,MIN(price_discount) as price_discount from items_spec GROUP BY item_id) tempSpec
on
i.id = tempSpec.item_id
WHERE
ii.is_main = 1
and i.cat_id = #{paramsMap.catId}
order by
<choose>
<when test="paramsMap.sort == "c" ">
i.sell_counts desc
</when>
<when test="paramsMap.sort == "p" ">
tempSpec.price_discount asc
</when>
<otherwise>
i.item_name asc
</otherwise>
</choose>
</select>
<select id="queryItemsBySpecIds" parameterType="List" resultType="com.imooc.pojo.vo.ShopcartVO">
SELECT
t_items.id as itemId,
t_items.item_name as itemName,
t_items_img.url as itemImgUrl,
t_items_spec.id as specId,
t_items_spec.`name` as specName,
t_items_spec.price_discount as priceDiscount,
t_items_spec.price_normal as priceNormal
FROM
items_spec t_items_spec
LEFT JOIN
items t_items
ON
t_items.id = t_items_spec.item_id
LEFT JOIN
items_img t_items_img
on
t_items_img.item_id = t_items.id
WHERE
t_items_img.is_main = 1
AND
t_items_spec.id IN
<foreach collection="paramsList" index="index" item="specId" open="(" separator="," close=")">
#{specId}
</foreach>
</select>
标签:配置文件,discount,items,price,spec,item,foreach,mybatis,id 来源: https://blog.csdn.net/qingwenc/article/details/112394628
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