【新增】教程分类

src/main/java/com/corewing/app/entity/CourseCategory.java

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+package com.corewing.app.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * 教程分类
+ */
+@Data
+@TableName("app_course_category")
+public class CourseCategory implements Serializable {
+
+    /**
+     * 分类id
+     */
+    @TableId(value = "id", type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 图标
+     */
+    private String icon;
+
+    /**
+     * 分类名称
+     */
+    private String categoryTitle;
+
+    /**
+     * 分类描述
+     */
+    private String description;
+
+    /**
+     * 类别：category分类，tag标签
+     */
+    private String type;
+
+    /**
+     * 置首页：0不置首，1置首页
+     */
+    private Integer firstStatus;
+
+    /**
+     * 状态：1正常，2关闭
+     */
+    private Integer status;
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    private Date updateTime;
+
+}

src/main/java/com/corewing/app/entity/CourseCategoryRelation.java

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+package com.corewing.app.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 教程与分类关系实体
+ */
+@Data
+@TableName("app_course_category_relation")
+public class CourseCategoryRelation implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * id
+     */
+    private Long id;
+
+    /**
+     * 教程id
+     */
+    private Long CourseId;
+
+    /**
+     * 教程分类id
+     */
+    private Long CategoryId;
+
+}

src/main/java/com/corewing/app/service/CourseCategoryService.java

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+package com.corewing.app.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.corewing.app.entity.CourseCategory;
+
+public interface CourseCategoryService extends IService<CourseCategory> {
+}

src/main/java/com/corewing/app/service/impl/CourseCategoryServiceImpl.java

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+package com.corewing.app.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.corewing.app.entity.CourseCategory;
+import com.corewing.app.mapper.CourseCategoryMapper;
+import com.corewing.app.service.CourseCategoryService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class CourseCategoryServiceImpl extends ServiceImpl<CourseCategoryMapper, CourseCategory> implements CourseCategoryService {
+}

src/main/resources/db/app_course_category.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 13:46:32
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for app_course_category
+-- ----------------------------
+DROP TABLE IF EXISTS `app_course_category`;
+CREATE TABLE `app_course_category` (
+  `id` bigint NOT NULL AUTO_INCREMENT COMMENT 'id',
+  `icon` varchar(255) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '图标',
+  `category_title` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '分类名称',
+  `description` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '分类描述',
+  `first_status` int NOT NULL DEFAULT '2' COMMENT '置首页：1置首，2不置首',
+  `type` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '类别：category分类，tag标签',
+  `status` tinyint(1) DEFAULT '0' 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='使用教程分类/标签表';
+
+-- ----------------------------
+-- Records of app_course_category
+-- ----------------------------
+BEGIN;
+INSERT INTO `app_course_category` (`id`, `icon`, `category_title`, `description`, `first_status`, `type`, `status`, `create_time`, `update_time`) VALUES (1, NULL, '快速指南', NULL, 1, 'category', 1, '2025-10-28 12:06:03', NULL);
+COMMIT;
+
+SET FOREIGN_KEY_CHECKS = 1;