post/ruoyi-system/src/main/resources/mapper/system/PoNewsMapper.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.ruoyi.system.mapper.PoNewsMapper">

    <resultMap type="PoNews" id="PoNewsResult">
        <result property="newsId"    column="news_id"    />
        <result property="newsTitle"    column="news_title"    />
        <result property="newsContent"    column="news_content"    />
        <result property="status"    column="status"    />
        <result property="createBy"    column="create_by"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateBy"    column="update_by"    />
        <result property="updateTime"    column="update_time"    />
        <result property="remark"    column="remark"    />
        <result property="sort"    column="sort"    />
        <result property="publisherId"    column="publisher_id"    />
        <result property="delFlag" column="del_flag"/>
        <result property="image"   column="image"/>
        <result property="newsTime" column="news_time"/>
        <result property="phonenumber" column="phonenumber"/>
    </resultMap>
<!--查询po_news表所有-->
    <sql id="selectPoNewsVo">
        select news_id, news_title, news_content, status, create_by, create_time, update_by, update_time,
               remark, sort, publisher_id, del_flag ,image ,news_time ,phonenumber from po_news
    </sql>

<!--    分页查询-->
    <select id="selectPoNewsList" parameterType="PoNews" resultMap="PoNewsResult">
        <include refid="selectPoNewsVo"/>
        <where>
            <if test="newsTitle != null  and newsTitle != ''"> and news_title = #{newsTitle}</if>
            <if test="newsContent != null  and newsContent != ''"> and news_content = #{newsContent}</if>
            <if test="status != null  and status != ''"> and status = #{status}</if>
            <if test="sort != null "> and sort = #{sort}</if>
            <if test="publisherId != null "> and publisher_id = #{publisherId}</if>
            <if test="delFlag != null and delFlag != ''">and del_flag = #{delFlag}</if>
            <if test="image != null and image != ''">and image = #{image}</if>
            <if test="newsTime != null ">and news_time = #{newsTime}</if>
            <if test="phonenumber != null ">and phonenumber = #{phonenumber}</if>
        </where>
    </select>

<!--    通过Id查询-->
    <select id="selectPoNewsByNewsId" parameterType="String" resultMap="PoNewsResult">
        <include refid="selectPoNewsVo"/>
        where news_id = #{newsId}
    </select>

<!--    增加-->
    <insert id="insertPoNews" parameterType="PoNews">
        insert into po_news
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="newsId != null">news_id,</if>
            <if test="newsTitle != null and newsTitle != ''">news_title,</if>
            <if test="newsContent != null and newsContent != ''">news_content,</if>
            <if test="status != null">status,</if>
            <if test="createBy != null">create_by,</if>
            <if test="createTime != null">create_time,</if>
            <if test="updateBy != null">update_by,</if>
            <if test="updateTime != null">update_time,</if>
            <if test="remark != null">remark,</if>
            <if test="sort != null">sort,</if>
            <if test="publisherId != null">publisher_id,</if>
            <if test="delFlag != null and delFlag != ''">del_flag,</if>
            <if test="image != null and image != ''">image,</if>
            <if test="newsTime != null">news_time,</if>
            <if test="phonenumber != null">phonenumber,</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="newsId != null">#{newsId},</if>
            <if test="newsTitle != null and newsTitle != ''">#{newsTitle},</if>
            <if test="newsContent != null and newsContent != ''">#{newsContent},</if>
            <if test="status != null">#{status},</if>
            <if test="createBy != null">#{createBy},</if>
            <if test="createTime != null">#{createTime},</if>
            <if test="updateBy != null">#{updateBy},</if>
            <if test="updateTime != null">#{updateTime},</if>
            <if test="remark != null">#{remark},</if>
            <if test="sort != null">#{sort},</if>
            <if test="publisherId != null">#{publisherId},</if>
            <if test="delFlag != null and delFlag != '' ">#{delFlag},</if>
            <if test="image != null and image != ''">#{image},</if>
            <if test="newsTime != null">#{newsTime},</if>
            <if test="phonenumber != null ">#{phonenumber},</if>
        </trim>
    </insert>

<!--    修改-->
    <update id="updatePoNews" parameterType="PoNews">
        update po_news
        <trim prefix="SET" suffixOverrides=",">
            <if test="newsTitle != null and newsTitle != ''">news_title = #{newsTitle},</if>
            <if test="newsContent != null and newsContent != ''">news_content = #{newsContent},</if>
            <if test="status != null">status = #{status},</if>
            <if test="createBy != null">create_by = #{createBy},</if>
            <if test="createTime != null">create_time = #{createTime},</if>
            <if test="updateBy != null">update_by = #{updateBy},</if>
            <if test="updateTime != null">update_time = #{updateTime},</if>
            <if test="remark != null">remark = #{remark},</if>
            <if test="sort != null">sort = #{sort},</if>
            <if test="publisherId != null">publisher_id = #{publisherId},</if>
            <if test="delFlag != null and delFlag != ''">del_flag = #{delFlag}</if>
            <if test="image != null and image != ''">image = #{image}</if>
            <if test="newsTime != null">news_time = #{newsTime}</if>
            <if test="phonenumber != null">phonenumber = #{phonenumber}</if>
        </trim>
        where news_id = #{newsId}
    </update>

<!--    删除-->
    <delete id="deletePoNewsByNewsId" parameterType="Long">
        delete from po_news where news_id = #{newsId}
    </delete>

<!--    批量删除-->
    <delete id="deletePoNewsByNewsIds" parameterType="String">
        delete from po_news where news_id in
        <foreach item="newsId" collection="array" open="(" separator="," close=")">
            #{newsId}
        </foreach>
    </delete>


    <!--    标题时间都不为空-->
    <select id="selectPoNewsListByTitleAndNewsTimeStartAndNewsTimeEnd"
            resultType="PoNews" resultMap="PoNewsResult">
    <include refid="selectPoNewsVo"></include>
    <where>
        <if test="newsTitle != null  and newsTitle != ''"> and news_title like concat('%', #{newsTitle}, '%')</if>
        <if test="newsTimeStart != null and newsTimeEnd != null "> and news_time between #{newsTimeStart} and #{newsTimeEnd}</if>
    </where>
    </select>

<!--    标题不为空时间为空-->
    <select id="selectPoNewsListByTitle" resultType="PoNews" resultMap="PoNewsResult">
        <include refid="selectPoNewsVo"></include>
        <where>
            <if test="newsTitle != null and newsTitle != ''">and news_title like concat('%', #{newsTitle}, '%')</if>
        </where>
    </select>

<!--    标题为空时间不为空-->
    <select id="selectPoNewsByTime" resultType="PoNews" resultMap="PoNewsResult">
        <include refid="selectPoNewsVo"></include>
        <where>
            <if test="newsTimeStart != null and newsTimeEnd != null "> and news_time between #{newsTimeStart} and #{newsTimeEnd}</if>
        </where>
    </select>

<!--    查询详细内容-->
    <select id="selectContentByNewsId" resultType="PoNews" resultMap="PoNewsResult">
         select news_content from po_news where news_id = #{newsId}
    </select>

<!--    校验标题是否重复-->
    <select id="checkPostNewsTitleUnique" resultType="String" resultMap="PoNewsResult">
        select news_id, news_title from po_news where news_title = #{newsTitle} and del_flag = '0' limit 1
    </select>

    <!--    校验图片是否重复-->
    <select id="checkPostNewsImageUnique" resultType="String" resultMap="PoNewsResult">
        select news_id,image from po_news where image = #{image} and del_flag = '0' limit 1
    </select>

    <!--    通过消息Id查询用户Id-->
    <select id="selectUserByNewsId" resultType="String">
            select u.phonenumber from po_news n LEFT JOIN po_user u ON n.phonenumber = u.phonenumber
            where n.news_id = #{newsId}
    </select>
<!--    校验时间是否相同-->
    <select id="checkPostNewsTimeUnique" resultType="String" resultMap="PoNewsResult">
        select news_id,create_time from po_news where create_time = #{createTime} and del_flag = '0' limit 1
    </select>


</mapper>