2025-06-05 23:45:30 +08:00

51 lines
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XML

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dao.NewsDao">
<!-- 通用查询结果列 -->
<sql id="Base_Column_List">
a.id as id
,a.news_name as newsName
,a.news_types as newsTypes
,a.news_photo as newsPhoto
,a.insert_time as insertTime
,a.news_content as newsContent
,a.create_time as createTime
</sql>
<select id="selectListView" parameterType="map" resultType="com.entity.view.NewsView" >
SELECT
<include refid="Base_Column_List" />
-- 级联表的字段
FROM news a
<where>
<if test="params.ids != null">
and a.id in
<foreach item="item" index="index" collection="params.ids" open="(" separator="," close=")">
#{item}
</foreach>
</if>
<if test=" params.newsName != '' and params.newsName != null and params.newsName != 'null' ">
and a.news_name like CONCAT('%',#{params.newsName},'%')
</if>
<if test="params.newsTypes != null and params.newsTypes != ''">
and a.news_types = #{params.newsTypes}
</if>
<if test=" params.insertTimeStart != '' and params.insertTimeStart != null ">
<![CDATA[ and UNIX_TIMESTAMP(a.insert_time) >= UNIX_TIMESTAMP(#{params.insertTimeStart}) ]]>
</if>
<if test=" params.insertTimeEnd != '' and params.insertTimeEnd != null ">
<![CDATA[ and UNIX_TIMESTAMP(a.insert_time) <= UNIX_TIMESTAMP(#{params.insertTimeEnd}) ]]>
</if>
<if test=" params.newsContent != '' and params.newsContent != null and params.newsContent != 'null' ">
and a.news_content like CONCAT('%',#{params.newsContent},'%')
</if>
</where>
order by a.${params.orderBy} desc
</select>
</mapper>