C++實(shí)現(xiàn)：簡(jiǎn)單的學(xué)生信息管理系統(tǒng)(控制臺(tái)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; /學(xué)號(hào)char name30; /姓名char ad

2、dress50; /地址char telephone14; /電話號(hào)碼int gradeMath; /數(shù)學(xué)成績(jī)int gradePhysics; /物理成績(jī)int gradeEnglish; /英語成績(jī)double gradeMaPhEgAverage; /物數(shù)外平均int rankGrade; /成績(jī)排名int gradeClassmate; /同學(xué)評(píng)分int gradeTeacher; /老師評(píng)分int gradeEthic; /道德評(píng)分double gradeAll; /綜合成績(jī)int rankAll; /綜合排名public:Student(); /默認(rèn)構(gòu)造函數(shù)void Student

3、_WritePersonalInformation(char *iD, char *nam, char *add, char *tel); /更改學(xué)生信息void Student_WriteMaPhEgGrade(int graMa, int graPh, int graEg); /更改學(xué)生考試成績(jī)void Student_WriteOtherGrade(int graCl, int graTe, int graEth); /更改學(xué)生其他成績(jī)void Student_DisplayInformation(); /顯示學(xué)生信息char *Student_ReadID();double Stude

4、nt_ReadGrade();double Student_ReadTotalGrade();int Student_ReadGradeRank();int Student_ReadTotalGradeRank();void Student_WriteGradeRank(int ranGr); /更改學(xué)生成績(jī)排名void Student_WriteTotalGradeRank(int ranAl); /更改學(xué)生綜合排名char *Student_ReadName();Student:Student() /默認(rèn)構(gòu)造函數(shù)strncpy_s(idNumber, "000000000000&

5、quot;,12);strncpy_s(name,"空",30);strncpy_s(address, "空", 50);strncpy_s(telephone, "空", 14); /電話號(hào)碼gradeMath=0; /數(shù)學(xué)成績(jī)gradePhysics=0; /物理成績(jī)gradeEnglish=0; /英語成績(jī)gradeMaPhEgAverage=0; /物數(shù)外平均rankGrade=0; /成績(jī)排名gradeClassmate=0; /同學(xué)評(píng)分gradeTeacher=0; /老師評(píng)分gradeEthic=0; /道德評(píng)分 gra

6、deAll=0; /綜合成績(jī)r(jià)ankAll=0; /綜合排名 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 graMa, int graPh, int graEg)gra

7、deMath = 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 = gradeMaPhEgAverage*0.6 + gradeC

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

9、ot; 學(xué)生信息 " << endl;cout << "姓名:" << name << endl<< "學(xué)號(hào):" << idNumber << endl<< "地址:" << address << endl<< "電話:" << telephone << endl << "數(shù)學(xué)成績(jī):" << gradeMat

10、h << endl<< "物理成績(jī):" << gradePhysics << endl<< "英語成績(jī):" << gradeEnglish << endl<< "三科平均成績(jī):" << gradeMaPhEgAverage << endl<< "學(xué)習(xí)成績(jī)排名:" << rankGrade << endl<< "同學(xué)評(píng)價(jià)得分:" &

11、lt;< gradeClassmate << endl<< "教師評(píng)價(jià)得分:" << gradeTeacher << endl<< "道德修養(yǎng)評(píng)分:" << gradeEthic << endl<< "綜合成績(jī):" << gradeAll << endl<< "綜合成績(jī)排名:" << rankAll << endl;cout << "

12、-" << 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;int Student:Student_ReadTotalGradeRank()return rankAll;namespace

13、studentInformationstd:vector<Student> studentVector;int flagStudentChoose=0;int flagStudentFound=1;char *Student:Student_ReadName()return name;/-以上是基本數(shù)據(jù)結(jié)構(gòu)的定義，同時(shí)定義了對(duì)數(shù)據(jù)的基本操作。定義完畢了，接下來是功能函數(shù)-void MainMenu();void EditMenu();void AddStudentPersonalInformation(int mode);void ModifyStudentInformation(

14、);void SearchStudent();void DeleteStudentInformation();void DisplayStudentInformation();void RankByGrade();void RankByTotalGrade();void RankByID();bool CmpGrade(Student student1,Student student2); /這個(gè)函數(shù)的參數(shù)是兩個(gè)Student類的對(duì)象bool CmpTotalGrade(Student student1, Student student2);bool CmpID(Student student

15、1, Student student2);void DisplayAllStudentInformation();/-以下是主菜單界面函數(shù)-void MainMenu()int flagOperateInformation = 1;while (flagOperateInformation)using namespace std;cout << "-" << endl;cout << "歡迎進(jìn)入學(xué)生信息管理系統(tǒng)V1.0." << endl << endl;cout << "

16、按下1:進(jìn)入學(xué)生信息管理系統(tǒng)." << endl;cout << "按下0:退出." << endl;cout << "-" << endl<<endl<<endl;cin >> flagOperateInformation;cin.clear();cout << endl;if (flagOperateInformation)EditMenu();/-主菜單界面函數(shù)定義完畢-/-以下是編輯界面函數(shù)-void EditMenu()int

17、flagContinueOperation = 1;while (flagContinueOperation)flagContinueOperation = 0;using namespace std;cout << "-" << endl;cout << " 主菜單 " << endl;cout << "按下1:添加學(xué)生信息." << endl;cout << "按下2:修改學(xué)生信息." << endl;cout &l

18、t;< "按下3:刪除學(xué)生信息." << endl;cout << "按下4:顯示學(xué)生信息." << endl;cout << "按下5:按學(xué)號(hào)升序排序" << endl;cout << "按下6:讀入已有信息（暫時(shí)沒實(shí)現(xiàn)）" << endl;cout << "按下7:將信息輸出（暫時(shí)沒實(shí)現(xiàn)）" << endl;cout << "按下8:顯示系統(tǒng)內(nèi)所有學(xué)生的信息

19、" << endl;cout << "按下0:返回上一級(jí)." << endl;cout << "-" << endl << endl;cin >> flagContinueOperation;cin.clear();cout << endl;switch (flagContinueOperation) case 1:AddStudentPersonalInformation(1); break;case 2:ModifyStudentInformat

20、ion(); break;case 3:DeleteStudentInformation(); break;case 4:DisplayStudentInformation(); break;case 5:RankByID(); break;case 6:cout << "功能暫未實(shí)現(xiàn)" << endl; break;case 7:cout << "功能暫未實(shí)現(xiàn)" << endl; break;case 8:DisplayAllStudentInformation(); break; case 0:brea

21、k;/-/-以下是添加信息的界面-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 = studentInformati

22、on:studentVector.size() - 1;elsecurrentObjectPosition = studentInformation:flagStudentChoose;/-cout << "請(qǐng)依次添加基本信息、學(xué)習(xí)成績(jī)和其他成績(jī)，且不要使用空格" << endl;cout << "-" << endl;cout << " 基本信息 " << endl;cout << "按下1：錄入學(xué)生基本信息;" <<

23、 endl<< "按下0：跳過基本信息。"<<endl<<"-"<<endl;cin >> flagAddPersonalInformation;cin.clear();if (flagAddPersonalInformation)char name30;char iD13;char address50;char phone14;cout << "請(qǐng)輸入學(xué)生姓名："cin >> name;cin.clear();cout << "

24、請(qǐng)輸入學(xué)生學(xué)號(hào)："cin >> iD;cin.clear();cout << "請(qǐng)輸入學(xué)生地址："cin >> address;cin.clear();cout << "請(qǐng)輸入學(xué)生電話："cin >> phone;cin.clear();studentInformation:studentVectorcurrentObjectPosition.Student_WritePersonalInformation(iD,name,address,phone);cout << &q

25、uot;基本信息輸入成功！" << endl<< "-" << endl;/-cout << "-" << endl;cout << " 學(xué)習(xí)成績(jī) " << endl;cout << "按下1：錄入學(xué)生學(xué)習(xí)成績(jī);" << endl<< "按下0：跳過學(xué)習(xí)成績(jī)信息。" << endl<< "-" << endl;c

26、in >> flagAddGrade;cin.clear();if (flagAddGrade)int mathGrade;int physicsGrade;int englishGrade;cout << "請(qǐng)輸入數(shù)學(xué)成績(jī)："cin >> mathGrade;cin.clear();cout << "請(qǐng)輸入物理成績(jī)："cin >> physicsGrade;cin.clear();cout << "請(qǐng)輸入英語成績(jī)："cin >> englishGra

27、de;cin.clear();studentInformation:studentVectorcurrentObjectPosition.Student_WriteMaPhEgGrade(mathGrade, physicsGrade, englishGrade);cout << "學(xué)習(xí)成績(jī)輸入成功！" << endl<< "-" << endl;/-cout << "-" << endl;cout << " 其他成績(jī) " <

28、< endl;cout << "按下1：錄入學(xué)生其他成績(jī);" << endl<< "按下0：跳過其他成績(jī)信息。" << endl<< "-" << endl;cin >> flagAddGrade;cin.clear();if (flagAddGrade)int peerGrade;int teacherGrade;int ethicGrade;cout << "請(qǐng)輸入同學(xué)評(píng)議成績(jī)："cin >> pe

29、erGrade;cin.clear();cout << "請(qǐng)輸入教師評(píng)議成績(jī)："cin >> teacherGrade;cin.clear();cout << "請(qǐng)輸入道德測(cè)評(píng)成績(jī)成績(jī)："cin >> ethicGrade;cin.clear();studentInformation:studentVectorcurrentObjectPosition.Student_WriteOtherGrade(peerGrade, teacherGrade, ethicGrade);cout << &qu

30、ot;其他成績(jī)輸入成功！" << endl<< "-" << endl;RankByGrade();RankByTotalGrade();cout << "學(xué)生成績(jī)錄入成功！" << endl;cout << "-" << endl<<endl;void SearchStudent()using namespace std;using namespace studentInformation;char ID13;cout <

31、< "請(qǐng)輸入學(xué)生的學(xué)號(hào)："<<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 (flagStudentFound =

32、 0)flagStudentChoose = i - 1;flagStudentFound = 1;cout << "您所查找的學(xué)生信息如下："<<endl;studentVectorflagStudentChoose.Student_DisplayInformation();elsecout << "未找到該學(xué)生" << endl;void ModifyStudentInformation()using namespace std;using namespace studentInformation;in

33、t searchVectorSize = studentVector.size();if (searchVectorSize = 0)cout << "-" << endl;cout << "當(dāng)前系統(tǒng)中沒有學(xué)生信息,請(qǐng)先添加學(xué)生信息！" << endl;cout << "-" << endl;elseSearchStudent(); cout << "您想對(duì)該學(xué)生的信息進(jìn)行修改嗎？" << endl;cout <&

34、lt; "按下1：是的。" << endl;cout << "按下0：放棄修改。" << endl;cout << "-" << endl;int flagModify;cin >> flagModify;cin.clear();if (flagModify = 1)&(flagStudentFound = 0)AddStudentPersonalInformation(2);void DeleteStudentInformation()using nam

35、espace std;using namespace studentInformation;int deleteVectorSize = studentVector.size();if (deleteVectorSize = 0)cout << "-" << endl;cout << "當(dāng)前系統(tǒng)中沒有學(xué)生信息,請(qǐng)先添加學(xué)生信息！" << endl;cout << "-" << endl;elseSearchStudent();cout << "

36、;您想刪除該學(xué)生的信息嗎？" << endl;cout << "按下1：刪除。" << endl;cout << "按下0：取消。" << endl;cout << "-" << endl;int flagModify;cin >> flagModify;cin.clear();if (flagModify = 1)&(flagStudentFound = 0)std:vector<Student>:itera

37、tor iter = studentVector.begin() + flagStudentChoose; /這樣就選中了一個(gè)查到的元素studentVector.erase(iter);cout << "學(xué)生信息刪除成功!" << endl<< "-" << endl;void DisplayStudentInformation()using namespace std;using namespace studentInformation;int displayVectorSize = studentVe

38、ctor.size();if (displayVectorSize = 0)cout << "-" << endl;cout << "當(dāng)前系統(tǒng)中沒有學(xué)生信息,請(qǐng)先添加學(xué)生信息！" << endl;cout << "-" << endl;elseSearchStudent();if (flagStudentFound = 0)studentVectorflagStudentChoose.Student_DisplayInformation();bool CmpGra

39、de(Student student1, Student student2)return student1.Student_ReadGrade() > student2.Student_ReadGrade(); /如果student1成績(jī)大于student2，則返回1.這樣能實(shí)現(xiàn)成績(jī)的降序排列void RankByGrade()using namespace studentInformation;using namespace std;int rankVectorSize = studentVector.size();if (rankVectorSize = 1)studentVecto

40、r0.Student_WriteGradeRank(1);elsesort(studentVector.begin(), studentVector.end(), CmpGrade); /使用sort必須加上#include algorithm和std。sort的前兩個(gè)參數(shù)是指針int i = 0;for (i = 0; i <= rankVectorSize-1; i+)if (i>=1)&&(studentVectori.Student_ReadGrade() = studentVectori - 1.Student_ReadGrade()studentVect

41、ori.Student_WriteGradeRank(studentVectori - 1.Student_ReadGradeRank();elsestudentVectori.Student_WriteGradeRank(i + 1);bool CmpTotalGrade(Student student1, Student student2)return student1.Student_ReadTotalGrade() > student2.Student_ReadTotalGrade(); /如果student1成績(jī)大于student2，則返回1.這樣能實(shí)現(xiàn)成績(jī)的降序排列void

42、RankByTotalGrade()using namespace studentInformation;using namespace std;int rankVectorSize = studentVector.size();if (rankVectorSize = 1)studentVector0.Student_WriteTotalGradeRank(1);elsesort(studentVector.begin(), studentVector.end(), CmpGrade); /使用sort必須加上#include algorithm和std。sort的前兩個(gè)參數(shù)是指針int i

43、 = 0;for (i = 0; i <= rankVectorSize - 1; i+)if (i >= 1) && (studentVectori.Student_ReadTotalGrade() = studentVectori - 1.Student_ReadTotalGrade()studentVectori.Student_WriteTotalGradeRank(studentVectori - 1.Student_ReadTotalGradeRank();elsestudentVectori.Student_WriteTotalGradeRank(i

44、+ 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;using namespace std;int rankVectorSize = studentVector.size();sort(student

45、Vector.begin(), studentVector.end(), CmpID);cout << "-" << endl;cout << "排序成功！" << endl;cout << "-" << endl;void DisplayAllStudentInformation()using namespace std;using namespace studentInformation;int displayVectorSize = studentVecto

46、r.size();int i;if (displayVectorSize = 0)cout << "-" << endl;cout << "當(dāng)前系統(tǒng)中沒有學(xué)生信息!" << endl;cout << "-" << endl;elsecout << "-" << endl;cout << "姓名 學(xué)號(hào) 綜合成績(jī) 綜合排名" << endl;for (i = 0; i < d

47、isplayVectorSize; i+)cout << studentVectori.Student_ReadName() << " "<< studentVectori.Student_ReadID() << " "<< studentVectori.Student_ReadTotalGrade() << " "<< studentVectori.Student_ReadTotalGradeRank() << endl;cout <

48、;< "-" << endl;/-以下是主函數(shù)-void main()MainMenu();/*-下面的這是一個(gè)排序函數(shù)，用到了冒泡排序法，但是程序沒用到。上面的排序用了sort（）函數(shù)來實(shí)現(xiàn)，功能是一樣的。*/*void RankByGrade()using namespace studentInformation;using namespace std;int flagCompareOut=0;int flagCompareIn=0;int rankVectorSize;rankVectorSize = studentVector.size();if

49、(rankVectorSize = 0)cout << "-" << endl<< "系統(tǒng)當(dāng)前沒有學(xué)生信息！" << endl<< "-" << endl;else if (rankVectorSize = 1)studentVectorflagCompareOut.Student_WriteGradeRank(flagCompareOut + 1);elseint flagCompareOut = 0;int flagCompareIn = 0;for (fla

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