添加了课程模块

src/main/java/com/greenorange/promotion/mapper/CourseOrderMapper.java

@@ -0,0 +1,18 @@
+package com.greenorange.promotion.mapper;
+
+import com.greenorange.promotion.model.entity.CourseOrder;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 35880
+* @description 针对表【course_order】的数据库操作Mapper
+* @createDate 2025-06-23 18:08:14
+* @Entity com.greenorange.promotion.model.entity.CourseOrder
+*/
+public interface CourseOrderMapper extends BaseMapper<CourseOrder> {
+
+}
+
+
+
+