minio

community-8073/src/main/resources/mapper/PostMapper.xml

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+<?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.ivmiku.tutorial.mapper.PostMapper">
+
+    <resultMap id="BaseResultMap" type="com.ivmiku.tutorial.entity.Post">
+        <id property="postId" column="post_id" jdbcType="BIGINT"/>
+        <result property="userOpenid" column="user_openid" jdbcType="VARCHAR"/>
+        <result property="communityId" column="community_id" jdbcType="BIGINT"/>
+        <result property="title" column="title" jdbcType="VARCHAR"/>
+        <result property="content" column="content" jdbcType="VARCHAR"/>
+        <result property="videoUrl" column="video_url" jdbcType="VARCHAR"/> <!-- 新增字段 -->
+        <result property="imageUrls" column="image_urls" jdbcType="VARCHAR"/> <!-- 新增字段 -->
+        <result property="isDeleted" column="is_deleted" jdbcType="TINYINT"/>
+        <result property="isOfficial" column="is_official" jdbcType="TINYINT"/> <!-- 新增字段 -->
+        <result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
+        <result property="updatedAt" column="updated_at" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        post_id, user_openid, community_id, title, content,
+        video_url, image_urls, <!-- 新增字段 -->
+        is_deleted, is_official, created_at, updated_at
+    </sql>
+
+    <!-- 查询指定帖子的所有评论 -->
+    <select id="selectCommentsByPostId" resultMap="BaseResultMap">
+        SELECT
+        <include refid="Base_Column_List"/>
+        FROM post
+        WHERE post_id = #{postId} AND is_deleted = 0
+    </select>
+
+    <!-- 插入新的帖子 -->
+    <insert id="insertPost" parameterType="com.ivmiku.tutorial.entity.Post">
+        INSERT INTO post (
+        post_id, user_openid, community_id, title, content,
+        video_url, image_urls, <!-- 新增字段 -->
+        is_deleted, is_official, created_at, updated_at
+        ) VALUES (
+        #{postId}, #{userOpenid}, #{communityId}, #{title}, #{content},
+        #{videoUrl}, #{imageUrls}, <!-- 新增字段 -->
+        #{isDeleted}, #{isOfficial}, #{createdAt}, #{updatedAt}
+        )
+    </insert>
+
+    <!-- 更新帖子 -->
+    <update id="updatePost" parameterType="com.ivmiku.tutorial.entity.Post">
+        UPDATE post
+        SET
+        user_openid = #{userOpenid},
+        community_id = #{communityId},
+        title = #{title},
+        content = #{content},
+        video_url = #{videoUrl}, <!-- 新增字段 -->
+        image_urls = #{imageUrls}, <!-- 新增字段 -->
+        is_deleted = #{isDeleted},
+        is_official = #{isOfficial},
+        created_at = #{createdAt},
+        updated_at = #{updatedAt}
+        WHERE post_id = #{postId}
+    </update>
+
+    <!-- 删除帖子，实际上是将is_deleted字段设置为1 -->
+    <update id="deletePost">
+        UPDATE post
+        SET is_deleted = 1, updated_at = CURRENT_TIMESTAMP
+        WHERE post_id = #{postId}
+    </update>
+
+
+    <select id="getTagPostList" resultType="com.ivmiku.tutorial.entity.Post">
+        SELECT p.post_id, p.user_openid, p.community_id, p.title, p.content,
+               p.is_deleted, p.is_official, p.created_at, p.updated_at
+        FROM post p, posttag pt, tag t
+        WHERE p.post_id = pt.post_id AND pt.tag_id = t.tag_id AND t.tag_id = #{tagId} AND p.is_deleted = 0
+    </select>
+
+</mapper>