学生成绩管理系统(仅源代码)#include#include#include#include#define MAX_NUM 10//对象数组最大容纳人数using namespace std;int pupil_num = 0;int mid_stu_num = 0;int univ_stu_num = 0;class Student {public:friend class BaseOperate;protected:string no;string name;string sex;int age;int class_infor[2];//分别存储年级和班级int total_grade;};class Pupil:public Student {public:friend class BaseOperate;protected:int english_grade;int math_grade;int chinese_grade;};class MiddleSchoolStudent:public Pupil {public:friend class BaseOperate;private:int geography_grade;int history_grade;};class UniversityStudent:public Student {public:friend class BaseOperate;private:int major_grade;int english_grade;int higher_math_grade;int programming_grade;};Pupil pupil[MAX_NUM];MiddleSchoolStudent mid_stu[MAX_NUM];UniversityStudent univ_stu[MAX_NUM];class BaseOperate {public:bool query();//查询bool addRecordInPupil(string no);bool addRecordInMid(string no);bool addRecordInUniv(string no);bool deleteRecordInPupil(string no);bool deleteRecordInMid(string no);bool deleteRecordInUniv(string no);bool modifyInforInPupil(string no);bool modifyInforInMid(string no);bool modifyInforInUniv(string no);void show();//输出所有学生信息void tally();//统计 (能统计学生人数、总分、单科的平均分等)void sort();//排序 (可按总分和单科成绩排名次)void save();void read();};bool BaseOperate::query() {string no;cout << "请输入学号:" << endl;cin >> no;cout << endl;cout.setf(std::ios::left);//在小学生中查找for (int i = 0; i < pupil_num; i++) {if (no == pupil[i].no) {cout << "学生类型:小学生" << endl << endl;cout << "学号姓名性别年龄班级语文数学英语" <