学生成绩管理系统(c++).docx

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_infor2;/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 pupilMAX_NUM;MiddleSchoolStudent mid_stuMAX_NUM;UniversityStudent univ_stuMAX_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: 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 = pupili.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 endl;cout setw(6) pupili.no setw(8) setw(8) pupili.sex setw(6) pupili.age setw(3) (pupili.class_infor)0 0 setw(3) (pupili.class_infor)1 setw(7) pupili.chinese_grade setw(7) pupili.math_grade setw(7) pupili.english_grade endl endl; return true; for (int i = 0; i mid_stu_num; i+) if (no = mid_stui.no) cout 学生类型：中学生 endl endl;cout 学号 姓名 性别 年龄 班级 语文 数学 英语 地理 历史 endl;cout setw(6) mid_stui.no setw(8) mid_ setw(8) mid_stui.sex setw(6) mid_stui.age setw(3) (mid_stui.class_infor)0 0 setw(3) (mid_stui.class_infor)1 setw(7) mid_stui.chinese_grade setw(7) mid_stui.math_grade setw(7) mid_stui.english_grade setw(7) mid_stui.geography_grade setw(7) mid_stui.history_grade endl endl;return true;for (int i = 0; i univ_stu_num; i+) if (no = univ_stui.no) cout 学生类型：大学生 endl endl;cout 学号 姓名 性别 年龄 班级 专业 高数 英语 编程 endl;cout setw(6) univ_stui.no setw(8) univ_ setw(8) univ_stui.sex setw(6) univ_stui.age setw(3) (univ_stui.class_infor)0 0 setw(3) (univ_stui.class_infor)1 setw(7) univ_stui.major_grade setw(7) univ_stui.higher_math_grade setw(7) univ_stui.english_grade setw(7) univ_gramming_grade endl endl;return true;cout 没有找到该学生 endl; return false;bool BaseOperate:addRecordInPupil(string no) for (int i = 0; i pupil_num; i+) if (pupili.no = no) return false;pupilpupil_num.no = no;cout pupilpupil_;cout pupilpupil_num.sex;cout pupilpupil_num.age;cout pupilpupil_num.class_infor0;cout pupilpupil_num.class_infor1; cout pupilpupil_num.chinese_grade;cout pupilpupil_num.math_grade;cout pupilpupil_num.english_grade;pupilpupil_num.total_grade = pupilpupil_num.chinese_grade + pupilpupil_num.math_grade + pupilpupil_num.english_grade;pupil_num+;return true; bool BaseOperate:addRecordInMid(string no) for (int i = 0; i mid_stu_num; i+) if (mid_stui.no = no) return false;mid_stumid_stu_num.no = no;cout mid_stumid_stu_;cout mid_stumid_stu_num.sex;cout mid_stumid_stu_num.age;cout mid_stumid_stu_num.class_infor0;cout mid_stumid_stu_num.class_infor1; cout mid_stumid_stu_num.chinese_grade;cout mid_stumid_stu_num.math_grade;cout mid_stumid_stu_num.english_grade;cout mid_stumid_stu_num.geography_grade;cout mid_stumid_stu_num.history_grade;mid_stumid_stu_num.total_grade = mid_stumid_stu_num.chinese_grade + mid_stumid_stu_num.math_grade + mid_stumid_stu_num.english_grade + mid_stumid_stu_num.geography_grade + mid_stumid_stu_num.history_grade;mid_stu_num+; return true; bool BaseOperate:addRecordInUniv(string no) for (int i = 0; i univ_stu_num; i+) if (univ_stui.no = no) return false;univ_stuuniv_stu_num.no = no;cout univ_stuuniv_stu_;cout univ_stuuniv_stu_num.sex;cout univ_stuuniv_stu_num.age;cout univ_stuuniv_stu_num.class_infor0;cout univ_stuuniv_stu_num.class_infor1; cout univ_stuuniv_stu_num.major_grade;cout univ_stuuniv_stu_num.english_grade;cout univ_stuuniv_stu_num.higher_math_grade;cout univ_stuuniv_stu_gramming_grade;univ_stuuniv_stu_num.total_grade = univ_stuuniv_stu_num.major_grade + univ_stuuniv_stu_num.english_grade + univ_stuuniv_stu_num.higher_math_grade + univ_stuuniv_stu_gramming_grade;univ_stu_num+;return true; bool BaseOperate:deleteRecordInPupil(string no) int index = -1;for (int i = 0; i pupil_num; i+) if (no = pupili.no) index = i;break;if (index = -1)return false; while (index = pupil_num) break;pupilindex.no = pupilindex + 1.no; = pupilindex + 1.name;pupilindex.age = pupilindex + 1.age;pupilindex.sex = pupilindex + 1.sex;(pupilindex.class_infor)0 = (pupilindex + 1.class_infor)0;(pupilindex.class_infor)1 = (pupilindex + 1.class_infor)1;pupilindex.chinese_grade = pupilindex + 1.chinese_grade;pupilindex.math_grade = pupilindex + 1.math_grade;pupilindex.english_grade = pupilindex + 1.english_grade;index+;pupil_num-;return true;bool BaseOperate:deleteRecordInMid(string no) int index = -1;for (int i = 0; i mid_stu_num; i+) if (no = mid_stui.no) index = i;break;if (index = -1)return false; while (index = mid_stu_num) break;mid_stuindex.no = mid_stuindex + 1.no;mid_ = mid_stuindex + 1.name;mid_stuindex.age = mid_stuindex + 1.age;mid_stuindex.sex = mid_stuindex + 1.sex;(mid_stuindex.class_infor)0 = (mid_stuindex + 1.class_infor)0;(mid_stuindex.class_infor)1 = (mid_stuindex + 1.class_infor)1;mid_stuindex.chinese_grade = mid_stuindex + 1.chinese_grade;mid_stuindex.math_grade = mid_stuindex + 1.math_grade;mid_stuindex.english_grade = mid_stuindex + 1.english_grade;mid_stuindex.geography_grade = mid_stuindex + 1.geography_grade;mid_stuindex.history_grade = mid_stuindex + 1.history_grade;index+;mid_stu_num-;return true;bool BaseOperate:deleteRecordInUniv(string no) int index = -1;for (int i = 0; i univ_stu_num; i+) if (no = univ_stui.no) index = i;break;if (index = -1)return false; while (index = univ_stu_num) break;univ_stuindex.no = univ_stuindex + 1.no;univ_ = univ_stuindex + 1.name;univ_stuindex.age = univ_stuindex + 1.age;univ_stuindex.sex = univ_stuindex + 1.sex;(univ_stuindex.class_infor)0 = (univ_stuindex + 1.class_infor)0;(univ_stuindex.class_infor)1 = (univ_stuindex + 1.class_infor)1;univ_stuindex.major_grade = univ_stuindex + 1.major_grade;univ_gramming_grade = univ_stuindex + 1.programming_grade;univ_stuindex.higher_math_grade = univ_stuindex + 1.higher_math_grade;univ_stuindex.english_grade = univ_stuindex + 1.english_grade;index+;univ_stu_num-;return true;bool BaseOperate:modifyInforInPupil(string no) for (int i = 0; i pupil_num; i+) if (no = pupili.no) cout pupili.age;cout pupili.class_infor0;cout pupili.class_infor1; cout pupili.chinese_grade;cout pupili.math_grade;cout pupili.english_grade;pupili.total_grade = pupili.chinese_grade + pupili.math_grade + pupili.english_grade;return true; return false;bool BaseOperate:modifyInforInMid(string no) for (int i = 0; i mid_stu_num; i+) if (no = mid_stui.no) cout mid_stui.age;cout mid_stui.class_infor0;cout mid_stui.class_infor1; cout mid_stui.chinese_grade;cout mid_stui.math_grade;cout mid_stui.english_grade;cout mid_stui.geography_grade;cout mid_stui.history_grade;mid_stui.total_grade = mid_stui.chinese_grade + mid_stui.math_grade + mid_stui.english_grade + mid_stui.geography_grade + mid_stui.history_grade;return true; return false;bool BaseOperate:modifyInforInUniv(string no) for (int i = 0; i univ_stu_num; i+) if (no = univ_stui.no) cout univ_stui.age;cout univ_stui.class_infor0;cout univ_stui.class_infor1; cout univ_stui.major_grade;cout univ_stui.english_grade;cout univ_stui.higher_math_grade;cout univ_gramming_grade; univ_stui.total_grade = univ_stui.major_grade + univ_stui.english_grade + univ_stui.higher_math_grade + univ_gramming_grade;return true; return false;void BaseOperate:show() cout 小学生： endl endl;if (pupil_num = 0) cout 无 endl endl; else cout 学号 姓名 性别 年龄 班级 语文 数学 英语 endl;cout.setf(std:ios:left);for (int i = 0; i pupil_num; i+) cout setw(6) pupili.no setw(8) setw(8) pupili.sex setw(6) pupili.age setw(3) (pupili.class_infor)0 0 setw(3) (pupili.class_infor)1 setw(7) pupili.chinese_grade setw(7) pupili.math_grade setw(7) pupili.english_grade endl endl;cout 中学生： endl endl;if (mid_stu_num = 0) cout 无 endl endl; else cout 学号 姓名 性别 年龄 班级 语文 数学 英语 地理 历史 endl;for (int i = 0; i mid_stu_num; i+) cout setw(6) mid_stui.no setw(8) mid_ setw(8) mid_stui.sex setw(6) mid_stui.age setw(3) (mid_stui.class_infor)0 0 setw(3) (mid_stui.class_infor)1 setw(7) mid_stui.chinese_grade setw(7) mid_stui.math_grade setw(7) mid_stui.english_grade setw(7) mid_stui.geography_grade setw(7) mid_stui.history_grade endl endl;cout 大学生： endl endl;if (univ_stu_num = 0) cout 无 endl endl; else cout 学号 姓名 性别 年龄 班级 专业 高数 英语 编程 endl;for (int i = 0; i univ_stu_num; i+) cout setw(6) univ_stui.no setw(8) univ_ setw(8) univ_stui.sex setw(6) univ_stui.age setw(3) (univ_stui.class_infor)0 0 setw(3) (univ_stui.class_infor)1 setw(7) univ_stui.major_grade setw(7) univ_stui.higher_math_grade setw(7) univ_stui.english_grade setw(7) univ_gramming_grade endl endl;void BaseOperate:tally() int sum_chinese = 0;int sum_math = 0;int sum_english = 0;int sum_geography = 0;int sum_history = 0;int sum_higher_math = 0;int sum_major = 0;int sum_programming = 0;/小学生cout 小学生： endl endl;cout - endl;cout 人数： pupil_num endl;cout - endl;if (pupil_num != 0) cout 学号 姓名 总分 endl;for (int i = 0; i pupil_num; i+) cout setw(6) pupili.no setw(8) setw(4) pupili.total_grade endl;cout endl;for (int i = 0; i pupil_num; i+) sum_chinese += pupili.chinese_grade;sum_math += pupili.math_grade;sum_english += pupili.english_grade;cout 语文平均分: (double)sum_chinese / pupil_num endl;cout 数学平均分: (double)sum_math / pupil_num endl;cout 英语平均分: (double)sum_english / pupil_num endl;cout - endl;/中学生cout endl 中学生： endl endl;cout - endl;cout 人数： mid_stu_num endl;cout - endl;if (mid_stu_num != 0) cout 学号 姓名 总分 endl;for (int i = 0; i mid_stu_num; i+) cout setw(6) mid_stui.no setw(8) mid_ setw(4) mid_stui.total_grade endl;cout endl;sum_chinese = 0;sum_math = 0;sum_english = 0;for (int i = 0; i mid_stu_num; i+) sum_chinese += mid_stui.chinese_grade;sum_math += mid_stui.math_grade;sum_english += mid_stui.english_grade;sum_geography += mid_stui.geography_grade;sum_history += mid_stui.history_grade;cout 语文平均分: (double)sum_chinese / mid_stu_num endl;cout 数学平均分: (double)sum_math / mid_stu_num endl;cout 英语平均分: (double)sum_english / mid_stu_num endl;cout 地理平均分: (double)sum_geography / mid_stu_num endl;cout 历史平均分: (double)sum_history / mid_stu_num endl;cout - endl;/大学生：cout endl 大学生： endl endl;cout - endl;cout 人数： univ_stu_num endl;cout - endl;if (univ_stu_num != 0) cout 学号 姓名 总分 endl;for (int i = 0; i univ_stu_num; i+) cout setw(6) univ_stui.no setw(8) univ_ setw(4) univ_stui.total_grade endl;cout endl;sum_english = 0;for (int i = 0; i univ_stu_num; i+) sum_higher_math += univ_stui.higher_math_grade;sum_major += univ_stui.major_grade;sum_programming += univ_gramming_grade;sum_english += univ_stui.english_grade;cout 专业平均分: (double)sum_major / univ_stu_num endl;cout 高数平均分: (double)sum_higher_math / univ_stu_num endl;cout 英语平均分: (double)sum_english / univ_stu_num endl;cout 编程平均分: (double)sum_programming / univ_stu_num endl;cout - endl;void BaseOperate:sort() /小学生(按总分排序)Pupil temp_p;for (int i = 0; i pupil_num; i+) for (int j = 1; j pupil_num - i; j+) if (pupilj - 1.total_grade pupilj.total_grade) temp_p = pupilj - 1;pupilj - 1 = pupilj;pupilj = temp_p;/中学生 MiddleSchoolStudent temp_m;for (int i = 0; i mid_stu_num; i+) for (int j = 1; j mid_stu_num - i; j+) if (mid_stuj - 1.total_grade mid_stuj.total_grade) temp_m = mid_stuj - 1;mid_stuj - 1 = mid_stuj;mid_stuj = temp_m;/大学生 UniversityStudent temp_u;for (int i = 0; i univ_stu_num; i+) for (int j = 1; j univ_stu_num - i; j+) if (univ_stuj - 1.total_grade univ_stuj.total_grade) temp_u = univ_stuj - 1;univ_stuj - 1 = univ_stuj;univ_stuj = temp_u;show();void BaseOperate:save() /小学生 ofstream out(PupilInfor.txt, ios_base:binary);for (int