u

2025-12-23 17:30:51 +08:00
1 parent 9bf7c40b70
commit 9eb5639d84
@@ -0,0 +1,98 @@
+<?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="cn.link56.post.mapper.PostMapper">
+
+    <resultMap id="QueryPostVOMap"
+               type="cn.link56.post.model.vo.QueryPostVO">
+        <id property="id" column="id"/>
+        <result property="title" column="title"/>
+        <result property="cover" column="cover"/>
+
+        <!-- tags 字符串 → List<String> -->
+        <result
+                property="tags"
+                column="tagsString"
+                typeHandler="cn.link56.common.mybatis.StringListTypeHandler"/>
+
+        <result property="publishTime" column="publishTime"/>
+        <result property="updateTime" column="updateTime"/>
+        <result property="status" column="status"/>
+
+        <result property="viewCount" column="viewCount"/>
+        <result property="likeCount" column="likeCount"/>
+        <result property="favoriteCount" column="favoriteCount"/>
+        <result property="commentCount" column="commentCount"/>
+    </resultMap>
+
+    <select id="queryPostPage" resultMap="QueryPostVOMap">
+        SELECT *
+        FROM (
+        SELECT
+        p.b_id AS id,
+        p.b_title AS title,
+        p.b_cover AS cover,
+        p.b_tag AS tagsString,
+        p.b_update_time AS updateTime,
+        p.b_publish_time AS publishTime,
+        p.b_status AS status,
+
+        (SELECT COUNT(*) FROM b_post_view v WHERE v.b_post_id = p.b_id) AS viewCount,
+        (SELECT COUNT(*) FROM b_post_like l WHERE l.b_post_id = p.b_id) AS likeCount,
+        (SELECT COUNT(*) FROM b_post_favorite f WHERE f.b_post_id = p.b_id) AS favoriteCount,
+        (SELECT COUNT(*) FROM b_post_comment c WHERE c.b_post_id = p.b_id) AS commentCount,
+
+        ROW_NUMBER() OVER (ORDER BY p.b_update_time DESC) AS rn
+        FROM b_post p
+        <where>
+            <if test="userId != null">
+                AND p.b_create_by = #{userId}
+            </if>
+
+            <if test="status != null and status != -1">
+                AND p.b_status = #{status}
+            </if>
+
+            <if test="title != null and title != ''">
+                AND p.b_title LIKE '%' + #{title} + '%'
+            </if>
+
+            <if test="year != null and year != ''">
+                AND YEAR(p.b_update_time) = #{year}
+            </if>
+
+            <if test="month != null and month != ''">
+                AND MONTH(p.b_update_time) = #{month}
+            </if>
+        </where>
+        ) t
+        WHERE t.rn BETWEEN #{offset} AND #{limit}
+    </select>
+
+    <select id="queryPostTotal" resultType="java.lang.Long">
+        SELECT COUNT(*)
+        FROM b_post p
+        <where>
+            <if test="userId != null">
+                AND p.b_create_by = #{userId}
+            </if>
+
+            <if test="status != null and status != -1">
+                AND p.b_status = #{status}
+            </if>
+
+            <if test="title != null and title != ''">
+                AND p.b_title LIKE '%' + #{title} + '%'
+            </if>
+
+            <if test="year != null and year != ''">
+                AND YEAR(p.b_update_time) = #{year}
+            </if>
+
+            <if test="month != null and month != ''">
+                AND MONTH(p.b_update_time) = #{month}
+            </if>
+        </where>
+    </select>
+</mapper>