C实现简单的学生信息管理系统控制台程序

1、/ StudentInformationSystem.cpp : Defines the entry point for the console application./#include "stdafx.h"#include <cstring>#include <iostream>#include <conio.h>#include<vector>#include<algorithm>class Studentprivate:char idNumber13; / 学号char name30; /姓名char ad

2、dress50; /地址char telephone14; / 电话号码int gradeMath; / 数学成绩int gradePhysics; /物理成绩int gradeEnglish; /英语成绩double gradeMaPhEgAverage; / 物数外平均int rankGrade; / 成绩排名int gradeClassmate; / 同学评分int gradeTeacher; / 老师评分int gradeEthic; / 道德评分double gradeAll; / 综合成绩int rankAll; / 综合排名public:Student(); / 默认构造函数vo

3、id Student_WritePersonalInformation(char *iD, char *nam, char *add, char *tel); /更改学生信息void Student_WriteMaPhEgGrade(int graMa, int graPh, int graEg); / 更改学生考试成绩void Student_WriteOtherGrade(int graCl, int graTe, int graEth); / 更改学生其他成绩void Student_DisplayInformation(); / 显示学生信息char *Student_ReadID()

4、;double Student_ReadGrade();double Student_ReadTotalGrade();int Student_ReadGradeRank();int Student_ReadTotalGradeRank();void Student_WriteGradeRank(int ranGr); / 更改学生成绩排名char *Student_ReadName();void Student_WriteTotalGradeRank(int ranAl); / 更改学生综合排名Student:Student() /默认构造函数strncpy_s(idNumber, &quo

5、t;000000000000",12); strncpy_s(name," 空 ",30);strncpy_s(address, "空 ", 50);strncpy_s(telephone, " 空 ", 14); / 电话号码gradeMath=0; / 数学成绩gradePhysics=0; / 物理成绩gradeEnglish=0; / 英语成绩gradeMaPhEgAverage=0; / 物数外平均rankGrade=0; / 成绩排名gradeClassmate=0; / 同学评分gradeTeacher=0;

6、/ 老师评分gradeEthic=0; / 道德评分gradeAll=0; / 综合成绩rankAll=0; / 综合排名void Student:Student_WritePersonalInformation(char *iD, char *nam, char *add, char *tel)strncpy_s(idNumber,iD,12);strncpy_s(name, nam, 30);strncpy_s(address, add,50);strncpy_s(telephone, tel, 14);void Student:Student_WriteMaPhEgGrade(int g

7、raMa, int graPh, int graEg)gradeMath = graMa;gradePhysics = graPh;gradeEnglish = graEg;gradeMaPhEgAverage = (gradeMath + gradePhysics + gradeEnglish) / 3;void Student:Student_WriteOtherGrade(int graCl, int graTe, int graEth)gradeClassmate = graCl;gradeTeacher = graTe;gradeEthic = graEth;gradeAll = g

8、radeMaPhEgAverage*0.6 + gradeClassmate*0.1 gradeEthic*0.1 + gradeTeacher*0.2; rankGrade = ranGr;void Student:Student_WriteGradeRank(int ranGr)void Student:Student_WriteTotalGradeRank(int ranAl) rankAll = ranAl;void Student:Student_DisplayInformation() using namespace std;cout << "" &

9、lt;< endl;cout << " 学生信息 " << endl;cout << " 姓名 :" << name << endl<< " 学号:" << idNumber << endl<< " 地址 :" << address << endl<< " 电话 :" << telephone << endl<<

10、 " 数学成绩 :" << gradeMath << endl<< " 物理成绩 :" << gradePhysics << endl<< " 英语成绩 :" << gradeEnglish << endl<< " 三科平均成绩 :" << gradeMaPhEgAverage << endl<< " 学习成绩排名 :" << rankGra

11、de << endl<< " 同学评价得分 :" << gradeClassmate << endl<< " 教师评价得分 :" << gradeTeacher << endl<< " 道德修养评分 :" << gradeEthic << endl<< " 综合成绩 :" << gradeAll << endl<< " 综合成绩排名 :&q

12、uot; << rankAll << endl; cout << "" << endl; char *Student:Student_ReadID() return idNumber;double Student:Student_ReadGrade()return gradeMaPhEgAverage;double Student:Student_ReadTotalGrade()return gradeAll;int Student:Student_ReadGradeRank()return rankGrade;return

13、rankAll;namespace studentInformationstd:vector<Student> studentVector;int flagStudentChoose=0;int flagStudentFound=1;char *Student:Student_ReadName()return name;同时定义了对数据的基/ 以上是基本数据结构的定义，本操作。定义完毕了，接下来是功能函数 void MainMenu();void EditMenu();void AddStudentPersonalInformation(int mode);void ModifyS

14、tudentInformation();void SearchStudent();void DeleteStudentInformation();void DisplayStudentInformation();void RankByGrade();void RankByTotalGrade();void RankByID();bool CmpGrade(Student student1,Student student2); / 这个函数的参数是两 个 Student 类的对象bool CmpTotalGrade(Student student1, Student student2);bool

15、 CmpID(Student student1, Student student2);void DisplayAllStudentInformation();/ 以 下 是 主 菜 单 界 面 函 数void MainMenu()int flagOperateInformation = 1;while (flagOperateInformation)using namespace std;cout << ""<< endl;cout << " 欢迎进入学生信息管理系统 V1.0." << endl <

16、< endl;cout << " 按下 1: 进入学生信息管理系统 ." << endl;cout << " 按下 0: 退出 ." << endl;cin >> flagOperateInformation;cin.clear();cout << endl;if (flagOperateInformation)EditMenu();义完毕/ 主 菜 单 界 面 函 数 定 cout << "" << endl;cout <&l

17、t; " 按下 1: 添加学生信息 ." << endl;/ 以 下 是 编 辑 界面函数void EditMenu()int flagContinueOperation = 1;while (flagContinueOperation)flagContinueOperation = 0;using namespace std;cout <<主菜单" << endl;cout << " 按下 2: 修改学生信息 ." << endl;cout << " 按下 3:

18、 删除学生信息 ." << endl;cout << " 按下 4: 显示学生信息 ." << endl;cout << " 按下 5: 按学号升序排序 " << endl;cout << " 按下 6: 读入已有信息(暂时没实现) " << endl;cout << " 按下 7: 将信息输出(暂时没实现) " << endl;cout << " 按下 8: 显示系统内所有学

19、生的信息 " << endl; cout << " 按下 0: 返回上一级 ." << endl;endl;cout << "" << endl <<cin >> flagContinueOperation;cin.clear();cout << endl;switch (flagContinueOperation)case 1:AddStudentPersonalInformation(1); break;case 2:ModifyStudentI

20、nformation(); break;case 3:DeleteStudentInformation(); break;case 4:DisplayStudentInformation(); break;case 5:RankByID(); break;case 6:cout <<功能暂未实现 " << endl; break;case 7:cout << " 功能暂未实现 " << endl; break;case 8:DisplayAllStudentInformation(); break;case 0:br

21、eak;/ 以 下 是 添 加 信 息 的 界void AddStudentPersonalInformation(int mode)using namespace std;int flagAddPersonalInformation;int flagAddGrade;int falgAddOtherGrade;Student student1;studentInformation:studentVector.push_back(student1);int currentObjectPosition;if (mode = 1)currentObjectPosition = studentInf

22、ormation:studentVector.size()- 1;elsecurrentObjectPosition = studentInformation:flagStudentChoose;/cout << " 请依次添加基本信息、学习成绩和其他成绩，且不要使用空格" << endl;cout << "" << endl;cout << " 基本信息 " << endl;cout << " 按下 1：录入学生基本信息 ;" &

23、lt;< endl << " 按下 0：跳过基本信息。 "<<endl <<""<<endl;cin >> flagAddPersonalInformation; cin.clear();if (flagAddPersonalInformation)char name30;char iD13;char address50;char phone14;cout << " 请输入学生姓名： "cin >> name;cin.clear();cout &

24、lt;< " 请输入学生学号： "cin >> iD;cin.clear();cout << " 请输入学生地址： "cin >> address;cin.clear();cout << " 请输入学生电话： "cin >> phone;cin.clear();studentInformation:studentVectorcurrentObjectPosition.Student_Wr itePersonalInformation(iD,name,address,ph

25、one);cout << " 基本信息输入成功！ " << endl<< "" << endl;/cout << "" << endl;cout << " 学习成绩 " << endl;cout << " 按下 1：录入学生学习成绩 ;" << endl<< " 按下 0：跳过学习成绩信息。 " << endl<<II&q

26、uot; << endl;cin >> flagAddGrade;cin.clear();if (flagAddGrade)int mathGrade;int physicsGrade;int englishGrade;cout << " 请输入数学成绩：cin >> mathGrade;cin.clear();cout << " 请输入物理成绩：cin >> physicsGrade; cin.clear();cout << " 请输入英语成绩： cin >> eng

27、lishGrade;cin.clear();studentInformation:studentVectorcurrentObjectPosition.Student_Wr iteMaPhEgGrade(mathGrade, physicsGrade, englishGrade);cout << " 学习成绩输入成功！ " << endl<<II" << endl;/cout << "" << endl;cout << " 其他成绩 " &l

28、t;< endl;cout << " 按下 1：录入学生其他成绩 ;" << endl << " 按下 0：跳过其他成绩信息。 " << endl << "" << endl;cin >> flagAddGrade; cin.clear();if (flagAddGrade)int peerGrade;int teacherGrade;int ethicGrade;cout << " 请输入同学评议成绩： "cin

29、 >> peerGrade;cin.clear();cout << " 请输入教师评议成绩： "cin >> teacherGrade;cin.clear();cout << " 请输入道德测评成绩成绩： " cin >> ethicGrade;cin.clear();studentInformation:studentVectorcurrentObjectPosition.Student_WriteOtherGrade(peerGrade, teacherGrade, ethicGrade);

30、cout << " 其他成绩输入成功！ " << endl<< "" << endl;RankByGrade();RankByTotalGrade();cout << " 学生成绩录入成功！ " << endl;cout << "" << endl<<endl;void SearchStudent()using namespace std;using namespace studentInformation;

31、char ID13;cout << " 请输入学生的学号： "<<endl;cin >> ID;cin.clear();cout << ""<<endl;int vectorSize = studentVector.size();int i = 0;while (i<vectorSize) & (flagStudentFound!=0)flagStudentFound = strcmp(ID, studentVectori.Student_ReadID();i = i + 1;if

32、 (flagStudentFound = 0)flagStudentChoose = i - 1;flagStudentFound = 1;cout << " 您所查找的学生信息如下： "<<endl; studentVectorflagStudentChoose.Student_DisplayInformation();elsecout << " 未找到该学生 " << endl;void ModifyStudentInformation()using namespace std;using namesp

33、ace studentInformation;int searchVectorSize = studentVector.size();if (searchVectorSize = 0)cout << "" << endl;" << endl;cout << " 当前系统中没有学生信息 , 请先添加学生信息！cout << "" << endl;elseSearchStudent();cout << " 您想对该学生的信息进行修改吗？ &quo

34、t; << endl;cout << " 按下 1：是的。 " << endl;cout << " 按下 0：放弃修改。 " << endl;cout << "" << endl;int flagModify;cin >> flagModify;cin.clear();if (flagModify = 1)&(flagStudentFound = 0)AddStudentPersonalInformation(2);void Del

35、eteStudentInformation()using namespace std;using namespace studentInformation;int deleteVectorSize = studentVector.size();if (deleteVectorSize = 0)cout << "" << endl;" << endl;cout << " 当前系统中没有学生信息 , 请先添加学生信息！cout << "" << endl;elseSe

36、archStudent();cout << " 您想删除该学生的信息吗？ " << endl;cout << " 按下 1：删除。 " << endl;cout << " 按下 0：取消。 " << endl;cout << "" << endl;int flagModify;cin >> flagModify;cin.clear();if (flagModify = 1)&(flagStudentF

37、ound = 0)std:vector<Student>:iterator iter = studentVector.begin() +flagStudentChoose; / 这样就选中了一个查到的元素studentVector.erase(iter);cout << " 学生信息删除成功 !" << endl<< "" << endl;void DisplayStudentInformation()using namespace std;using namespace studentInfo

38、rmation;int displayVectorSize = studentVector.size();if (displayVectorSize = 0)cout << "" << endl;" << endl;cout << " 当前系统中没有学生信息 , 请先添加学生信息！cout << "" << endl;elseSearchStudent();if (flagStudentFound = 0)studentVectorflagStudentChoos

39、e.Student_DisplayInformation();bool CmpGrade(Student student1, Student student2)return student1.Student_ReadGrade() > student2.Student_ReadGrade();/ 如果 student1 成绩大于 student2 ，则返回 1. 这样能实现成绩的降序排列 void RankByGrade()using namespace studentInformation;using namespace std;int rankVectorSize = student

40、Vector.size();if (rankVectorSize = 1) studentVector0.Student_WriteGradeRank(1);elsesort(studentVector.begin(), studentVector.end(), CmpGrade); /使用 sort 必须加上 #include algorithm和 std 。 sort 的前两个参数是指针int i = 0;for (i = 0; i <= rankVectorSize-1; i+)if (i>=1)&&(studentVectori.Student_ReadGr

41、ade() = studentVectori - 1.Student_ReadGrade()studentVectori.Student_WriteGradeRank(studentVectori -1.Student_ReadGradeRank();elsestudentVectori.Student_WriteGradeRank(i + 1);bool CmpTotalGrade(Student student1, Student student2)return student1.Student_ReadTotalGrade() > student2.Student_ReadTota

42、lGrade(); / 如果 student1 成绩大于 student2 ， 则返回 1. 这样能实现成绩的降序排列void RankByTotalGrade()using namespace studentInformation;using namespace std;int rankVectorSize = studentVector.size();if (rankVectorSize = 1)studentVector0.Student_WriteTotalGradeRank(1);elsesort(studentVector.begin(), studentVector.end(),

43、 CmpGrade); / 使用 sort 必须加上 #include algorithm 和 std 。 sort 的前两个参数是指针int i = 0;for (i = 0; i <= rankVectorSize - 1; i+)if (i >= 1) && (studentVectori.Student_ReadTotalGrade() = studentVectori - 1.Student_ReadTotalGrade()studentVectori.Student_WriteTotalGradeRank(studentVectori 1.Student

44、_ReadTotalGradeRank();elsestudentVectori.Student_WriteTotalGradeRank(i + 1);bool CmpID(Student student1, Student student2)int result;result = strcmp(student1.Student_ReadID(), student2.Student_ReadID();if (result<0)return true;elsereturn false;void RankByID()using namespace studentInformation;usi

45、ng namespace std;int rankVectorSize = studentVector.size();sort(studentVector.begin(), studentVector.end(), CmpID);cout << "" << endl;cout << " 排序成功！ " << endl;cout << "" << endl;void DisplayAllStudentInformation()using namespace std;

46、using namespace studentInformation;int displayVectorSize = studentVector.size();int i;if (displayVectorSize = 0)cout << "" << endl;cout << " 当前系统中没有学生信息 !" << endl;cout << "" << endl;else<<<<cout"" << endl;

47、cout << " 姓名 学号 综合成绩 综合排名 endl;for (i = 0; i < displayVectorSize; i+)cout << studentVectori.Student_ReadName() << " "<< studentVectori.Student_ReadID() <<IIII<<studentVectori.Student_ReadTotalGrade()<<IIII<< studentVectori.Student_Rea

48、dTotalGradeRank() << endl;cout <<"" << endl;/ 以 下 是 主 函 数void main()MainMenu();/*下面的这是一个排序函数，用到了冒泡排序法，但是程序没用到。上面的排序用了 sort ()函数来实现，功能是一样的。 */*void RankByGrade()using namespace studentInformation;using namespace std;int flagCompareOut=0;int flagCompareIn=0;int rankVectorSi

49、ze;rankVectorSize = studentVector.size();if (rankVectorSize = 0)cout << "" << endl<< " 系统当前没有学生信息！ " << endl<< "" << endl;else if (rankVectorSize = 1)studentVectorflagCompareOut.Student_WriteGradeRank(flagCompareOut 1);elseint flagCom

50、pareOut = 0;int flagCompareIn = 0;for (flagCompareOut = 0; flagCompareOut < rankVectorSize flagCompareOut+)1;for (flagCompareIn = 0; flagCompareIn < rankVectorSize - flagCompareOut- 1; flagCompareIn+)if (studentVectorflagCompareIn.Student_ReadGrade() < studentVectorflagCompareIn + 1.Student_ReadGrade()Student studentTemp;stude