<?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.njuzr.eaibackend.mapper.CourseMapper"> <!-- 获取课程选课码的接口已删除，不再需要 --> </mapper>
