学生成绩管理系统(c++)(共33页)

1、精选优质文档-倾情为你奉上学生成绩管理系统（仅源代码）#include<iostream>#include<iomanip>#include<fstream>#include<string>#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

2、 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 histor

3、y_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 boo

4、l 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)

5、;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

6、+) 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.a

7、ge << 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

8、; 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) <

9、;< 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) <<

10、; 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 <

11、;< "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" &l

12、t;< 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

13、<< "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 << "姓名：" cin >> pupilpupil_;cout << "性别：" cin >>

14、; pupilpupil_num.sex;cout << "年龄：" cin >> pupilpupil_num.age;cout << "年级：" cin >> pupilpupil_num.class_infor0;cout << "班级：" cin >> pupilpupil_num.class_infor1; cout << "语文成绩：" cin >> pupilpupil_num.chinese_grade;

15、cout << "数学成绩：" cin >> pupilpupil_num.math_grade;cout << "英语成绩：" cin >> 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 BaseOpera

16、te: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 << "姓名：" cin >> mid_stumid_stu_;cout << "性别：" cin >> mid_stumid_stu_num.sex;cout << "年龄：" cin &g

17、t;> mid_stumid_stu_num.age;cout << "年级：" cin >> mid_stumid_stu_num.class_infor0;cout << "班级：" cin >> mid_stumid_stu_num.class_infor1; cout << "语文成绩：" cin >> mid_stumid_stu_num.chinese_grade;cout << "数学成绩：" cin >&

18、gt; mid_stumid_stu_num.math_grade;cout << "英语成绩：" cin >> mid_stumid_stu_num.english_grade;cout << "地理成绩：" cin >> mid_stumid_stu_num.geography_grade;cout << "历史成绩：" cin >> mid_stumid_stu_num.history_grade;mid_stumid_stu_num.total_grade

19、 = 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

20、.no = no) return false;univ_stuuniv_stu_num.no = no;cout << "姓名：" cin >> univ_stuuniv_stu_;cout << "性别：" cin >> univ_stuuniv_stu_num.sex;cout << "年龄：" cin >> univ_stuuniv_stu_num.age;cout << "年级：" cin >>

21、univ_stuuniv_stu_num.class_infor0;cout << "班级：" cin >> univ_stuuniv_stu_num.class_infor1; cout << "专业成绩：" cin >> univ_stuuniv_stu_num.major_grade;cout << "英语成绩：" cin >> univ_stuuniv_stu_num.english_grade;cout << "高数成绩："

22、; cin >> univ_stuuniv_stu_num.higher_math_grade;cout << "编程成绩：" cin >> 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_s

23、tu_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) if (index + 1 >= pupil_num) break;pupilindex.no =

24、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;

25、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 fal

26、se; while (index < mid_stu_num) if (index + 1 >= 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

27、_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_

28、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) if (index

29、 + 1 >= 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_

30、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_s

31、tu_num-;return true;bool BaseOperate:modifyInforInPupil(string no) for (int i = 0; i < pupil_num; i+) if (no = pupili.no) cout << "年龄：" cin >> pupili.age;cout << "年级：" cin >> pupili.class_infor0;cout << "班级：" cin >> pupili.class_in

32、for1; cout << "语文成绩：" cin >> pupili.chinese_grade;cout << "数学成绩：" cin >> pupili.math_grade;cout << "英语成绩：" cin >> pupili.english_grade;pupili.total_grade = pupili.chinese_grade + pupili.math_grade + pupili.english_grade;return true; r

33、eturn false;bool BaseOperate:modifyInforInMid(string no) for (int i = 0; i < mid_stu_num; i+) if (no = mid_stui.no) cout << "年龄：" cin >> mid_stui.age;cout << "年级：" cin >> mid_stui.class_infor0;cout << "班级：" cin >> mid_stui.class_in

34、for1; cout << "语文成绩：" cin >> mid_stui.chinese_grade;cout << "数学成绩：" cin >> mid_stui.math_grade;cout << "英语成绩：" cin >> mid_stui.english_grade;cout << "地理成绩：" cin >> mid_stui.geography_grade;cout << "历史成

35、绩：" cin >> 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

36、+) if (no = univ_stui.no) cout << "年龄：" cin >> univ_stui.age;cout << "年级：" cin >> univ_stui.class_infor0;cout << "班级：" cin >> univ_stui.class_infor1; cout << "专业成绩：" cin >> univ_stui.major_grade;cout << &qu

37、ot;英语成绩：" cin >> univ_stui.english_grade;cout << "高数成绩：" cin >> univ_stui.higher_math_grade;cout << "编程成绩：" cin >> univ_gramming_grade; univ_stui.total_grade = univ_stui.major_grade + univ_stui.english_grade + univ_stui.higher_math_grade

38、 + 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:i

39、os: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) << (pu

40、pili.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" <<

41、; 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 &l

42、t;< 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.

43、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" << en

44、dl;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)

45、<< (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

46、_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：" <<

47、; 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 &

48、lt;< 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:" <<

49、; (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 &

50、lt;< "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_ <&

51、lt; 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.geogra

52、phy_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

53、 << 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：" << en

54、dl << 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

55、) << 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

56、 += 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:" << (do

57、uble)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_nu

58、m - 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 =

59、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;sho

60、w();void BaseOperate:save() /小学生 ofstream out("PupilInfor.txt", ios_base:binary);for (int i = 0; i < pupil_num; i+) out << pupili.no << " " << << " " << pupili.sex << " " << pupili.age << " &qu

61、ot; << (pupili.class_infor)0 << " " << (pupili.class_infor)1 << " " << pupili.chinese_grade << " " << pupili.math_grade << " " << pupili.english_grade << " "out.close();/中学生out.open("MidStuInfor.txt", ios_base:binary);for (int i = 0; i < mid_stu_num; i+) out << mid_stui.no <