用单链表数据结构完成c++的学生成绩管理系统,此系统的具体功能如下:
本人小萌新一个,遇到BUG是正常现象。并且类与对象写的不太理想。@-@
写了一个Database存放所有数据,但这肯定浪费资源,你们看着改改吧。
class DataBase
{
public:virtual void run();//多态void setID(int ID);void setName(string Name);void setSex(string Sex);void setChinese(double Chinese);void setMath(double Math);void setEnglish(double English);void setAverage(double Average);void setSum(double Sum);void setNews(string news);void setSolute(string solute);void setAccount(string A);void setPassword(string P);void setWordprotect(string W);void setNext(DataBase* next);int& getID();string& getName();string& getSex();double& getChinese();double& getMath();double& getEnglish();double& getAverage();double& getSum();string& getNews();string& getSolute();string& getAccount();string& getPassword();string& getWordprotect();DataBase* getNext();
private:int ID = 0; //学号string Name = ""; //姓名 string Sex = ""; //性别double Chinese = 0; //语文double Math = 0; //数学double English = 0; //英语double Average = 0; //平均分double Sum = 0; //总分string News = ""; //信息反馈string Solute = ""; //解决方案string account = ""; //账号string password = ""; //密码string wordprotect = "";//密保DataBase* next = nullptr;//指针域
};
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登录系统功能。
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动画效果进入主界面,可选择教师端或学生端。
void menu()
{cout << "\t\t*********************************************" << endl;cout << "\t\t*****\t\t 1.教师端\t\t*****" << endl;cout << "\t\t*****\t\t 2.学生端\t\t*****" << endl;cout << "\t\t*****\t\t 0.退出 \t\t*****" << endl;cout << "\t\t*********************************************" << endl;
}void Homepage()
{WelcomeScreen();while (1){system("cls");menu();cout << "\t\t选择:";DataBase* F = NULL;//多态进入不同界面操作//这里也可以传对象实现多态string acc;cin >> acc;if (acc == "1") {F = new Teacher();F->run();//老师界面}else if (acc == "2") {F = new Student();F->run();//学生界面}else if (acc == "0") {F = new DataBase();F->run();//退出break;}else {continue;}}
}int main()
{Homepage();return 0;
}
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教师端:可以登录账号、注册账号、注销账号、找回注销的账号、修改密码以及退出。
void menu1()
{cout << "\t\t\t\t 教师端用户" << endl;cout << "\t\t*********************************************" << endl;cout << "\t\t*****\t\t 1.登录平台\t\t*****" << endl;cout << "\t\t*****\t\t 2.注册账号\t\t*****" << endl;cout << "\t\t*****\t\t 3.找回账号\t\t*****" << endl;cout << "\t\t*****\t\t 0.退出 \t\t*****" << endl;cout << "\t\t*********************************************" << endl;
}void Teacher::run()
{while (1){system("cls");menu1();cout << "\t\t请选择:";string ffll = " ";cin >> ffll;if (ffll == "1") {cout << "\t\t***教师 登录***" << endl;login();}else if (ffll == "2") {cout << "\t\t***注册 账号***" << endl;regist();}else if (ffll == "3") {cout << "\t\t***找回 账号***" << endl;find();}else if (ffll == "0") {break;}else {continue;}}
}void Teacher::login()
{int pan = 1;//输入次数while (1) {system("cls");string ac = " ";char pa[10];char s;int j = 0;//确保数组从0开始 while (1){cout << "\t\t请输入账号(0退出):";cin >> ac;DataBase* ac1 = head1->getNext();while (ac1 != NULL){if (ac == ac1->getAccount())break;ac1 = ac1->getNext();}if (ac1 == NULL) {cout << "\t\t未查寻到此账号!" << endl;}else {break;}if (ac == "0")break;}if (ac == "0")break;cout << "\t\t请输入密码:";while ((s = _getch()) != '\r'){if (s == '\b'){if (j > 0) {j--;//回删一位 cout << "\b \b";}}else if (j < 8){ //控制密码位数 pa[j] = s; //存入数组 j++;putchar('*'); //用* 代替密码 }}pa[j] = '\0';//避免乱码int ccvv = 0;DataBase* pp = head1->getNext();while (pp != NULL){if ((pp->getAccount() == ac) && (pp->getPassword() == pa)){ccvv = 1;cout << endl << "\t\t验证正确" << endl;cout << endl;cout << "\t\t";for (int i = 0; i < 20; i++){cout << ".";Sleep(50);}storage = pp->getAccount();//存一下账号operat();//进入教师界面break;}pp = pp->getNext();//遍历 }if (pp == NULL){cout << endl << "\t\t第" << pan++ << "次密码错误!" << endl;system("pause");}if (pan == 4) {cout << endl << "\t\t已输入3次,退出登录" << endl;system("pause");break;}if (ccvv == 1)break;}
}void Teacher::regist()
{while (1){system("cls");DataBase* p = new DataBase();string account = " ", password = " ", wordprotect = "";cout << endl;cout << "\t\t*注册账号(0退出):";DataBase* p1 = head1->getNext();//查重cin >> account;if (account == "0")break;while (p1 != NULL){if (p1->getAccount() == account){cout << endl;cout << "\t\t此账号已存在!" << endl;system("pause");break;}p1 = p1->getNext();}if (p1 != NULL)continue;p->setAccount(account);while (1){cout << "\t\t*设置密码(0退出):";cin >> password;if (password == "0")break;if (password.length() > 8) {cout << "\t\t密码超出八位!请再次设置" << endl;//确保密码只能设置8位continue;}break;}p->setPassword(password);cout << "\t\t*设置密保(0退出):";cin >> wordprotect;if (wordprotect == "0")break;p->setWordprotect(wordprotect);//头插p->setNext(head1->getNext());head1->setNext(p);write("E://1C//学生管理//rtea.txt", head1);cout << "\t\t*注册完成*" << endl;p = p->getNext();system("pause");break;}
}int cratical = 0;//判断密码修改是否成功void Teacher::logout()
{system("cls");string a = "", b = "";DataBase* s; //遍历注销账户DataBase* q;while (1){cratical = 0;s = head1->getNext(); q = head1;cout << "\t\t你的的账号:" << storage << endl;while (s != NULL){if (s->getAccount() == storage){break;}q = s;s = s->getNext();}if (s != NULL)break;}int ding = 1;while (1){cratical = 0;cout << "\t 第 " << ding << " 次输入" << endl;ding++;cout << "\t\t请输入要注销账号的密码(0 退出):";cin >> a;if (a == "0")break;cout << endl;cout << "\t\t请输入要注销账号的密保(0 退出):";cin >> b;if (b == "0")break;cout << endl;int in1 = 1, in2 = 9;if (s->getPassword() == a){in1 = 2;//密码}if (s->getWordprotect() == b){in2 = 3;//密保}if (in1 + in2 == 5){q->setNext(s->getNext());delete s;s = NULL;cout << endl << "\t\t删除成功!" << endl;write("E://1C//学生管理//rtea.txt", head1);cratical = 22;system("pause");}int in = 0;in = in1 + in2;if (in == 10){cout << "\t\t密码和密保输入错误!" << endl;system("pause");}else if (in == 11){cout << "\t\t密保输入错误!" << endl;system("pause");}else if (in == 4){cout << "\t\t密码输入错误!" << endl;system("pause");}if (in == 5){DataBase* c = new DataBase();//开辟空间 用于存注销的账号c->setAccount(storage);c->setPassword("0");//密码再行设置c->setWordprotect(b);c->setNext(headmode->getNext());headmode->setNext(c);write("E://1C//学生管理//rteafind.txt", headmode);c = c->getNext();break;}if (ding == 4) {cout << "\t\t已输入3次错误输入!强制退出" << endl;system("pause");break;}}
}void Teacher::find()
{while (1){system("cls");cout << endl;cout << "\t\t请输入要找回的账号(0退出):";string a1 = " ";cin >> a1;if (a1 == "0")break;DataBase* f1 = headmode->getNext();DataBase* f2 = headmode;int o = 1;while (f1 != NULL){if (a1 == f1->getAccount()){for (int i = 1; i < 5; i++){if (i == 4){cout << "\t输入3次全部错误退出验证!" << endl;o = 3;system("pause");break;}cout << "\t第 " << i << " 次输入" << endl;cout << "\t请输入密保:";string a2;cin >> a2;if (a2 == f1->getWordprotect()) {cout << "\t密保确认成功!" << endl;cout << "\t已找回账号" << endl;//找回密码 写入rtea文件DataBase* p11 = new DataBase();p11->setAccount(a1);cout << "\t重新设置密码:";string ma = " ";cin >> ma;p11->setPassword(ma);cout << "\t重新设置密保:";string pr = " ";cin >> pr;p11->setWordprotect(pr);p11->setNext(head1->getNext());head1->setNext(p11);write("E://1C//学生管理//rtea.txt", head1);o = 3;system("pause");break;}else {cout << "\t输入错误!" << endl;}}}if (o == 3){//删除rteafind 中的账号信息f2->setNext(f1->getNext());delete f1;f1 = NULL;write("E://1C//学生管理//rteafind.txt", headmode);break;}f2 = f1;f1 = f1->getNext();}if (o == 3)break;if (f1 == NULL){cout << "\t 查询无此账号!" << endl;system("pause");}}
}void Teacher::modify()
{int chi = 0;while (1){cratical = 0;system("cls");cout << endl;cout << "\t\t你的账号:" << storage << endl;cout << "请输入密保方可修改密码:";string mi;cin >> mi;DataBase* move = head1->getNext();while (move != NULL){if (move->getWordprotect() == mi && move->getAccount() == storage){cout << "\t\t原密码:" << move->getPassword() << endl;string llop;cout << "\t\t新密码:";cin >> llop;move->setPassword(llop);write("E://1C//学生管理//rtea.txt", head1);cratical = 21;cout << endl << "\t\t修改完成!";system("pause");break;}move = move->getNext();}if (move == NULL){cout << endl << "\t第" << ++chi << "次密保输入错误!" << endl;system("pause");}else {break;}if (chi == 3){cout << "\t\t三次输入全部错误!马上退出" << endl;system("pause");break;}}
}
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学生端:可以登录账号、注册账号、注销账号、修改密码以及退出。与教师端大同小异。
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教师端功能
#pragma once
#include"DataBase.h"
class Teacher : public DataBase
{
private: //学生不可继承的功能bool Turnitin(int ID);//查重void CreateDataBase(); //添加学生void Sort(); //按成绩排序void M1odify(); //修改学生信息void Delete(); //删除学生信息
public:Teacher();// head节点~Teacher();virtual void run();void login(); //账号登录void regist(); //账号注册void logout(); //账号注销void find(); //账号找回void modify(); //修改密码void read(const char* file, DataBase* head);void write(const char* file, DataBase* head);void operat(); //运转器void Search(); //查找学生信息void Show(); //显示全部学生信息void Back(); //学生信息反馈 void Readfile(const char* Filename);//读文件void Writefile(const char* Filename);//写文件
};
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添加学生信息:可录入学号、姓名、性别、语文、数学、英语等相关信息和成绩,并且由算法实现平均分、总分存入链表写入文件等的操作。
bool Teacher::Turnitin(int ID)// 学号查重
{DataBase* h = head->getNext();while (h != NULL){if (h->getID() == ID){cout << "学号 " << ID << " 重复" << endl;cout << "请输入新的学号:";return false;}h = h->getNext();}return true;
}void Teacher::CreateDataBase() //添加新的学生信息
{system("cls");DataBase* p = head->getNext();cout << "\t添加学生数量:";int n = 0;cin >> n;for (int i = 0; i < n; i++){p = new DataBase();cout << "请输入第" << i + 1 << "位:" << endl;int ID = 0;string Name = " ", Sex = " ";double Chinese = 0, Math = 0, English = 0, Average = 0, Sum = 0;cout << " 学号:";cin >> ID;while (1){if (!Turnitin(ID)){cin >> ID;}else {break;}}p->setID(ID);cout << " 姓名:";cin >> Name;p->setName(Name);cout << " 性别:";while (1){cin >> Sex;if (Sex == "男" || Sex == "女"){break;}else{cout << "只能输入男/女\t请再次输入:";}}p->setSex(Sex);cout << " 语文:";cin >> Chinese;p->setChinese(Chinese);cout << " 数学:";cin >> Math;p->setMath(Math);cout << " 英语:";cin >> English;p->setEnglish(English);p->getSum() = Chinese + Math + English;p->getAverage() = p->getSum() / 3.0;//newDataBase->next = temp->next;//头插法//反馈信息p->setNews("无");//无反馈信息p->setSolute("无");//无解决方案p->setNext(head->getNext());head->setNext(p);Writefile("E://1C//学生管理//1.txt");cout << "添加完成!" << endl;p = p->getNext();}system("pause");system("cls");
}
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显示学生信息:可显示全部学生信息,并且每10个人会翻一下页及统计总人数。
void Teacher::Show()//显示全部信息
{system("cls");cout << "学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;DataBase* o = head->getNext(); //遍历得到总人数DataBase* h = head->getNext(); //遍历显示每个人的所有信息int sd = 0, ss = 1;while (o != NULL){sd = sd + 1;o = o->getNext();}int i = 1;while (h != NULL){if (ss > 0 && ss < 11){ss = ss + 1;h->getSum() = h->getChinese() + h->getEnglish() + h->getMath();h->getAverage() = h->getSum() / 3.0;cout << h->getID() << "\t" << h->getName() << "\t" << h->getSex() << "\t";cout << fixed << setprecision(2) << h->getChinese() << "\t" << h->getMath() << "\t" << h->getEnglish() << "\t" << h->getAverage() << "\t" << h->getSum() << endl;}else {ss = 1;cout << "\t第[" << i++ << "/10人]页" << endl;system("pause");system("cls");cout << "学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;continue;}h = h->getNext();}cout << "第[" << i++ << "/10人]页" << endl;cout << "参加考试共有【" << sd << "】个学生" << endl;system("pause");
}
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修改学生信息:修改操作。
void Teacher::M1odify()//修改
{while (1){system("cls");DataBase* p1 = head->getNext();//按学号修改DataBase* p2 = head->getNext();//修改学号cout << "\t\t1、请输入学号:" << endl;cout << "\t\t2、修改学号" << endl;cout << "\t\t0、退出" << endl;cout << "\t选择:";int ch;cin >> ch;if (ch==1) //判断学号{int ID1 = 0;cout << "请输入你的学号";cin >> ID1;int q1 = 1;while (p1 != NULL)//遍历{ if (p1->getID() == ID1){q1 = 0;cout << "学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;cout << p1->getID() << "\t" << p1->getName() << "\t" << p1->getSex() << "\t";cout << fixed << setprecision(2) << p1->getChinese() << "\t" << p1->getMath() << "\t" << p1->getEnglish() << "\t" << p1->getAverage() << "\t" << p1->getSum() << endl;while (1) { //多次修改cout << "(可修改姓名、性别、语文、数学、英语 按0可取消修改)" << endl;char ccc[100];cout << "选择:";cin >> ccc;if (!strcmp(ccc, "姓名")){cout << "修改为:";string name;cin >> name;p1->getName() = name;cout << "\t姓名修改成功!" << endl;}else if (!strcmp(ccc, "性别")){cout << "修改为:";string sex;while (1){cin >> sex;if (sex == "男" || sex == "女"){break;}else{cout << "只能输入男/女\t请再次输入:";}}p1->getSex() = sex;cout << "\t性别修改成功!" << endl;}else if (!strcmp(ccc, "语文")){cout << "修改为:";double chin = 0;cin >> chin;p1->getChinese() = chin;p1->getSum() = chin + p1->getMath() + p1->getEnglish();p1->getAverage() = p1->getSum() / 3.0;cout << "\t语文成绩修改成功!" << endl;}else if (!strcmp(ccc, "数学")){cout << "修改为:";double ma = 0;cin >> ma;p1->getMath() = ma;p1->getSum() = ma + p1->getChinese() + p1->getEnglish();p1->getAverage() = p1->getSum() / 3.0;cout << "\t数学成绩修改成功!" << endl;}else if (!strcmp(ccc, "英语")){cout << "修改为:";double eng = 0;cin >> eng;p1->getEnglish() = eng;p1->getSum() = eng + p1->getMath() + p1->getChinese();p1->getAverage() = p1->getSum() / 3.0;cout << "\t英语成绩修改成功!" << endl;}else if (!strcmp(ccc, "0")){break;}}}p1 = p1->getNext();}if(q1==1){cout << "\t\t无此学号的学生!" << endl;system("pause");}Writefile("E://1C//学生管理//1.txt");}else if (ch==2){cout << "选择要修改的学号:";int xu, xv = 0;//学号 cin >> xu;while (p2 != NULL){if (p2->getID() == xu){cout << "修改为:";int changexu;cin >> changexu;DataBase* q1 = head->getNext();int y = 0;while (q1 != NULL){if (q1->getID() == changexu){y = 1;cout << "已有此学号的信息,不可修改!" << endl;break;}q1 = q1->getNext();}if (y == 1)break;p2->getID() = changexu;cout << "\t修改成功!" << endl;Writefile("E://1C//学生管理//1.txt");cout << "学号已经修改为" << p2->getID() << " 请妥善保管" << endl;break;}p2 = p2->getNext();}if (p2 == NULL){cout << "没有此学号" << endl;}system("pause");}else if (ch==0){break;}}
}
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查找学生信息:对学生查找。
void Teacher::Search()
{while (1){DataBase* pM = head->getNext(); //按姓名DataBase* pN = head->getNext(); //按学号system("cls");cout << "\t\t1、按学号查找:" << endl;cout << "\t\t2、按姓名查找:" << endl;cout << "\t\t0、退出:" << endl;cout << "\t选择:";char choice[100] = { 0 };gets_s(choice);if (!strcmp(choice, "2")){cout << "请输入你的姓名:" << endl;string Name;cin >> Name;int cc = 0;cout << "序号\t学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;while (pM != NULL){if (pM->getName() == Name){cc++;cout << cc << "\t" << pM->getID() << "\t" << pM->getName() << "\t" << pM->getSex() << "\t";cout << fixed << setprecision(2) << pM->getChinese() << "\t" << pM->getMath() << "\t" << pM->getEnglish() << "\t" << pM->getAverage() << "\t" << pM->getSum() << endl;}pM = pM->getNext();}cout << "已查到以上[" << cc << "]个学生" << endl;system("pause");}else if (!strcmp(choice, "1")){cout << "请输入你的学号:" << endl;int ID;cin >> ID;int cc = 0;while (pN != NULL){if (pN->getID() == ID){cc++;cout << "序号\t学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;cout << cc << "\t" << pN->getID() << "\t" << pN->getName() << "\t" << pN->getSex() << "\t";cout << fixed << setprecision(2) << pN->getChinese() << "\t" << pN->getMath() << "\t" << pN->getEnglish() << "\t" << pN->getAverage() << "\t" << pN->getSum() << endl;break;}pN = pN->getNext();}if (pN == NULL){cout << "没有学号为 " << ID << " 的学生" << endl;}system("pause");}else if (!strcmp(choice, "0")){break;}}
}
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删除学生信息:删除学生各个数据。
void Teacher::Delete()
{while (1){system("cls");DataBase* p = head->getNext();DataBase* q = head->getNext();DataBase* pq = head;int ji = 0;cout << "学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;while (p != NULL){ji++;cout << p->getID() << "\t" << p->getName() << "\t" << p->getSex() << "\t";cout << fixed << setprecision(2) << p->getChinese() << "\t" << p->getMath() << "\t" << p->getEnglish() << "\t" << p->getAverage() << "\t" << p->getSum() << endl;p = p->getNext();}cout << "\t\t共计【" << ji << "】名学生" << endl;cout << "\t\t输入学号便可删除( 0 退出):";int dd = 0, pan = 1;cin >> dd;while (q != NULL){if (dd == 0){cout << "\t\t退出成功!" << endl;break;}if (q->getID() == dd){pq->setNext(q->getNext());delete q;q = NULL;cout << "\t\t删除成功!" << endl;Writefile("E://1C//学生管理//1.txt");pan = 0;break;}pq = q;q = q->getNext();}if (dd == 0)break;if (pan == 1){cout << "\t\t未查询到此学号!" << endl;}system("pause");}
}
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排序操作:可对语文、数学、英语等成绩单独操作,也可对平均分、总分排序。
void sortMachine(int i) //排序机,若只有一个人无法排序
{DataBase* p, * q, * temp;temp = head;p = temp->getNext()->getNext();temp->getNext()->setNext(NULL);q = p->getNext();while (1){if (head->getNext() == NULL)break;if (i == 1)//语文{while (temp->getNext() != NULL && temp->getNext()->getChinese() > p->getChinese())temp = temp->getNext();//如果满足条件后移}else if (i == 2)//数学{while (temp->getNext() != NULL && temp->getNext()->getMath() > p->getMath())temp = temp->getNext();}else if (i == 3)//英语{while (temp->getNext() != NULL && temp->getNext()->getEnglish() > p->getEnglish())temp = temp->getNext();}else if (i == 4)//平均分{while (temp->getNext() != NULL && temp->getNext()->getAverage() > p->getAverage())temp = temp->getNext();}else if (i == 5)//总分{while (temp->getNext() != NULL && temp->getNext()->getSum() > p->getSum())temp = temp->getNext();}p->setNext(temp->getNext());temp->setNext(p);//temp一直指向p的下一个temp = head;//从头遍历p = q;//p后移一个if (q == NULL)break;q = q->getNext();}DataBase* o = head->getNext();int c = 0;cout << "名次\t学号\t姓名\t性别\t语文\t数学\t英语\t平均分\t总分" << endl;while (o != NULL){c++;cout << c << "\t" << o->getID() << "\t" << o->getName() << "\t" << o->getSex() << "\t";cout << fixed << setprecision(2) << o->getChinese() << "\t" << o->getMath() << "\t" << o->getEnglish() << "\t" << o->getAverage() << "\t" << o->getSum() << endl;o = o->getNext();}system("pause");
}void Teacher::Sort() //按成绩排序
{while (1){system("cls");DataBase* s1 = head->getNext();DataBase* s2 = head;cout << "\t\t1、按语文排序" << endl;cout << "\t\t2、按数学排序" << endl;cout << "\t\t3、按英语排序" << endl;cout << "\t\t4、按平均分排序" << endl;cout << "\t\t5、按总成绩排序" << endl;cout << "\t\t0、退出" << endl;cout << "\t\t选择:";int chose = 0;cin >> chose;if (chose == 1){sortMachine(chose);}else if (chose == 2){sortMachine(chose);}else if (chose == 3){sortMachine(chose);}else if (chose == 4){sortMachine(chose);}else if (chose == 5){sortMachine(chose);}else if (chose == 0){break;}}
}
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学生信息反馈:学生端可发出信息教师端接收,并且可阅览反馈的问题,教师端可写下解决办法,传入学生端。
void Teacher::Back()
{while (1){system("cls");DataBase* s9 = head->getNext();DataBase* s6 = head->getNext();int ssp = 0;cout << "序号\t学号\t姓名\t性别\t反馈信息\t解决方案" << endl;while (s9 != NULL){if (s9->getNews() != "无"){cout << ++ssp << "\t" << s9->getID() << "\t" << s9->getName() << "\t" << s9->getSex() << "\t" << s9->getNews() << "\t\t" << s9->getSolute() << endl;}s9= s9->getNext();}cout << "\t\t共计【" << ssp << "】条信息" << endl;if (ssp == 0) {cout << "\t\t无信息反馈!" << endl;system("pause");break;}cout << "\t\t输入学号回复信息( 0 退出):";int dd = 0 ;cin >> dd;if (dd == 0)break;while (s6 != NULL){if (s6->getID() == dd){break;}s6 = s6->getNext();}if (s6 == NULL){cout << "\t\t未查询到此学号!" << endl;system("pause");continue;}cout << "\t\t请写回复信息:";cin >> s6->getSolute();cout << "\t\t回复完毕!" << endl;Writefile("E://1C//学生管理//1.txt");cout << "\t\t继续回复按1,退出按0" << endl;string ci = " ";while (1){cout << "\t\t选择:";cin >> ci;if (ci == "0")break;if (ci == "1")break;cout << "\t\t无此选项!重选:" << endl;}if (ci == "0")break;system("pause");}
}
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退出教师界面。
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学生端功能实现
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查看全校成绩:查看全校成绩,按总分排序。
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查看个人成绩:搜索个人的信息。
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查看个人能力:系统根据所得成绩分析你的能力,以及显示各科排名及总成绩排名。
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递交反馈信息:写反馈信息发送到教师端。
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查看反馈信息:可看自己提出的问题是否解决,以及其他人的反馈信息。
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退出学生界面。