课程中心相关接口

src/main/java/com/bicloud/controller/CourseController.java

@@ -0,0 +1,31 @@
+package com.bicloud.controller;
+
+import com.bicloud.common.result.Result;
+import com.bicloud.pojo.vo.CourseCatVo;
+import com.bicloud.service.CourseService;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@CrossOrigin //跨域
+@RestController
+@RequestMapping("/course")
+@Tag(name = "课程中心", description = "课程中心相关接口")
+@Slf4j
+public class CourseController {
+    private final CourseService courseService;
+
+    public CourseController(CourseService courseService) {
+        this.courseService = courseService;
+    }
+
+    // 获取课程分类列表
+    @GetMapping("/cats")
+    public Result<List<CourseCatVo>> listCourseCats() {
+        List<CourseCatVo> cats = courseService.listCourseCats();
+        return Result.success(cats);
+    }
+
+}

src/main/java/com/bicloud/mapper/CourseMapper.java

@@ -0,0 +1,13 @@
+package com.bicloud.mapper;
+
+import com.bicloud.pojo.vo.CourseCatVo;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface CourseMapper {
+
+    // 课程分类列表
+    List<CourseCatVo> listCourseCats();
+}

src/main/java/com/bicloud/pojo/vo/CourseCatVo.java

@@ -0,0 +1,11 @@
+package com.bicloud.pojo.vo;
+
+import lombok.Data;
+
+@Data
+public class CourseCatVo {
+    //分类id
+    private Integer id;
+    //分类名称
+    private String catName;
+}

src/main/java/com/bicloud/service/CourseService.java

@@ -0,0 +1,11 @@
+package com.bicloud.service;
+
+import com.bicloud.pojo.vo.CourseCatVo;
+
+import java.util.List;
+
+public interface CourseService {
+
+    // 获取课程分类列表
+    List<CourseCatVo> listCourseCats();
+}

src/main/java/com/bicloud/service/impl/CourseServiceImpl.java

@@ -0,0 +1,24 @@
+package com.bicloud.service.impl;
+
+import com.bicloud.mapper.CourseMapper;
+import com.bicloud.pojo.vo.CourseCatVo;
+import com.bicloud.service.CourseService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class CourseServiceImpl implements CourseService {
+
+    private final CourseMapper courseMapper;
+
+    public CourseServiceImpl(CourseMapper courseMapper) {
+        this.courseMapper = courseMapper;
+    }
+
+    // 获取课程分类列表
+    @Override
+    public List<CourseCatVo> listCourseCats() {
+        return courseMapper.listCourseCats();
+    }
+}

src/main/resources/application.yml

@@ -5,9 +5,12 @@ server:
 
 spring:
   datasource:
-    url: jdbc:mysql://192.168.1.102:3308/genome1_db?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
-    username: app_user
-    password: "NewSecurePassword123"
+    # url: jdbc:mysql://192.168.1.102:3308/genome1_db?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
+    # username: app_user
+    # password: "NewSecurePassword123"
+    url: jdbc:mysql://192.168.1.102:3310/biology?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
+    username: bicloud
+    password: "Admin_Complex_Pass2024!"
     driver-class-name: com.mysql.cj.jdbc.Driver
     hikari:
       connection-timeout: 30000

src/main/resources/mapper/CourseMapper.xml

@@ -0,0 +1,17 @@
+<?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.bicloud.mapper.CourseMapper">
+
+    <!-- 课程分类列表 -->
+    <select id="listCourseCats" resultType="com.bicloud.pojo.vo.CourseCatVo">
+        SELECT
+            id,
+            cat_name AS catName
+        FROM biology_course_cats
+        ORDER BY position ASC, id ASC
+    </select>
+
+</mapper>