【新增】教程

src/main/resources/db/app_course.sql

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+/*
+ Navicat Premium Dump SQL
+
+ Source Server         : 120.24.204.180
+ Source Server Type    : MySQL
+ Source Server Version : 80036 (8.0.36)
+ Source Host           : 120.24.204.180:3306
+ Source Schema         : app
+
+ Target Server Type    : MySQL
+ Target Server Version : 80036 (8.0.36)
+ File Encoding         : 65001
+
+ Date: 28/10/2025 13:46:26
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for app_course
+-- ----------------------------
+DROP TABLE IF EXISTS `app_course`;
+CREATE TABLE `app_course` (
+  `id` bigint NOT NULL AUTO_INCREMENT COMMENT 'id',
+  `course_title` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '教程标题',
+  `description` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '教程描述',
+  `content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci COMMENT '教程详情',
+  `view_count` int DEFAULT '0' COMMENT '查看次数',
+  `recommend_status` int DEFAULT '0' COMMENT '推荐状态：0不推荐，1推荐',
+  `status` tinyint(1) DEFAULT '1' COMMENT '状态：1正常，2关闭',
+  `create_time` datetime NOT NULL COMMENT '创建时间',
+  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='使用教程表';
+
+-- ----------------------------
+-- Records of app_course
+-- ----------------------------
+BEGIN;
+INSERT INTO `app_course` (`id`, `course_title`, `description`, `content`, `view_count`, `recommend_status`, `status`, `create_time`, `update_time`) VALUES (1, '快速开始指南', '了解酷翼应用的基本功能与布局，快速上手使用各项功能。', NULL, 0, 0, 1, '2025-10-28 12:03:52', NULL);
+COMMIT;
+
+SET FOREIGN_KEY_CHECKS = 1;

src/main/resources/mapper/CourseMapper.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.corewing.app.mapper.CourseMapper">
+
+    <!-- 结果映射 -->
+    <resultMap id="VOResultMap" type="com.corewing.app.vo.CourseVO">
+        <id column="id" property="id"/>
+        <result column="course_title" property="courseTitle"/>
+        <result column="description" property="description"/>
+        <result column="content" property="content"/>
+        <result column="view_count" property="viewCount"/>
+        <result column="recommend_status" property="recommendStatus"/>
+        <result column="status" property="status"/>
+        <result column="category_title" property="categoryTitle"/>
+        <result column="create_time" property="createTime"/>
+        <result column="update_time" property="updateTime"/>
+    </resultMap>
+
+    <!-- 基础查询SQL片段 -->
+    <sql id="selectVOSql">
+        select c.*, cc.category_title
+            from app_course c
+        left join app_course_category_relation ccr on c.id = ccr.course_id
+        left join app_course_category cc on cc.id = ccr.category_id
+    </sql>
+
+
+
+    <!-- 分页查询 -->
+    <select id="pageList" resultMap="VOResultMap">
+        <include refid="selectVOSql"/>
+        <where>
+            c.status = 1
+            <if test="categoryId != null and categoryId != 0">
+                AND cc.id = #{categoryId}
+            </if>
+            <if test="courseTitle != null and courseTitle != ''">
+                AND c.course_title like CONCAT('%', #{courseTitle}, '%')
+            </if>
+
+        </where>
+        ORDER BY c.recommend_status,c.create_time asc
+    </select>
+
+</mapper>