int main(void)
{
Student stu;
stu.setName("answer");
stu.setGender("男");
stu.initScore();
stu.study(10);
cout<<stu.getName()<<" "<<stu.getGender()<<" "<<stu.getScore()<<endl;
return 0;
}
// Enter Information Menu.
char entermenu(istream& is) {
system("cls");
Person person;
Student student;
int ec;
do {
cout << endl;
cout << setw(25) << left << " Enter Information" << endl;
cout << setw(25) << setfill('-') << "" << endl;
cout << setw(25) << setfill(' ') << "1. Create Personal Profile" << endl;
cout << setw(25) << "2. Add Student Information" << endl;
cout << setw(25) << "3. Add Work Information" << endl;
cout << setw(25) << "4. Back to Main menu" << endl << endl;
cout << setw(25) << "Please select an option: ";
cin >> ec;
cin.ignore();
switch(ec) {
case 1:
person.menu();
break;
case 2:
// Add Student Information.
student.addStudentInfo();
break;
case 3:
// Add Work Information.
break;
case 4:
break;
}
} while (ec != 4);
return ec;
}
int main(){
Student s1("张飞",28);
s1.Print();
/**
* 这种方式的话，s1里的m_pszName和s2中的m_pszName是一样的，都是地址值，当s1离开作用域的时候
* 会调用析构函数，当s2离开作用的时候也会调用析构函数，这样的话，就会double
* free,释放了两次
*/
Student s2(s1);
s2.Print();
#if 0
Student s3 = s2;
s3.Print();
Student *ps = new Student(s3);
ps->Print();
delete ps;
#endif
return 0;
}
void Expectations::updateExpComboBox()
{
expSelect_->clear();
Student* student = UTManager::instance().student();
if(!student)
return;
const QList<Expectation*> &exp = student->exp();
for(int i = 0; i < exp.size(); i++)
{
expSelect_->addItem(exp.at(i)->name());
}
expSelect_->insertItem(0,"Nouvelle prévision");
expSelect_->setCurrentIndex(0);
createExpPanel();
}
void Database::Search(string sType, string sValue){
// simple but horribly inefficent search function
bool foundValue = false;
int size = Database::iTotalStudents;
for(int i = 0; i < size; i++){
Student newStudent = Student();
newStudent = Database::getStudentOffArray(i);
if(sType == "last"){
if(newStudent.getLastName() == sValue){
foundValue = true;
cout <<"\nFound a match for " << sValue << endl;
cout << newStudent;
}//end if
} else if (sType == "first"){
if(newStudent.getFirstName() == sValue){
foundValue = true;
cout <<"\nFound a match for " << sValue << endl;
cout << newStudent;
}//end if
} else if (sType == "city"){
Address newAddress = Address();
newAddress = newStudent.getAddress();
if(newAddress.getCity() == sValue){
foundValue = true;
cout <<"\nFound a match for " << sValue << endl;
cout << newStudent;
}//end if
}//end if
}//end for
if(!foundValue){
cout << "\n*****************************String not found." << endl;
}//end if
}//end method
int main()
{
Person * p = new Student;
Student * s = new Student;
Student * gs = new GradStudent;
Person * ps = new GradStudent;
p->aboutMe();
s->aboutMe();
gs->aboutMe();
ps->aboutMe();
delete p;
delete s;
delete gs;
delete ps;
return 0;
}
void
print_list()
{
int i;
const LinkedList &sList = master_student_list(); //local reference to student list.
const LinkedList &cList = master_course_list(); //local reference to course list.
Student *studentPtr; // local pointer to student object
Course *coursePtr; // local pointer to course object
if (sList.size() <= 0) // Attempts to acces an empty list are avoided.
cerr << "\n*** No Students in the List ***\n" << endl;
if (sList.size() > 0)
{
cout << "\nSTUDENTS CURRENTLY IN THE DATABASE" << endl;
// Print out the student objects.
for (i = 0; i < sList.size(); i++)
{
// Get a student object from the list
studentPtr = (Student*)sList[i]; // uses operator overloading for '[]'
// Now print the student using the print behaviour of the student object.
studentPtr->print();
}
}
if (cList.size() <= 0) // Attempts to acces an empty list are avoided.
cerr << "\n*** No Courses in the List ***" << endl;
if (cList.size() > 0)
{
cout << "ENROLLMENT FOR ALL COURSES IN THE DATABASE\n" << endl;
// Print out the course objects.
for (i = 0; i < cList.size(); i++)
{
// Get a course object from the list
coursePtr = (Course*)cList[i];
// Now print the course using the print behaviour of the course object.
coursePtr->print();
}
}
}
void main()
{ int i;
string w;
cout << "Lesson1: Encapsulation - Scope Resolution"<< endl ;
a.initialize ();
b.initialize ();
cout <<"Enter Student name : " ; getline(cin,w);
strcpy(a.name,w.c_str());
if (a.name[0]=='\0') // if the name is empty
return;
printf("Enter # of credits : " ); cin >>a.credits ; // scanf("%d", &a.credits );
a.add_new_course("CS 3397",2);
a.add_new_course("CS 2410",3);
a.display_info();
for (i=0 ; i<8 && a.crs[i].ID[0]; i++ )
a.crs[i].display_info();
}
int main()
{
ofstream data;
data.open("Student.dat",ios::out|ios::binary);
char name[20], id[10], department[20], address[20];
char ans;
do
{
cout << "Enter Student information" << endl;
cout << "Name: ";
cin >> name;
cout << "Id: " ;
cin >> id;
cout << "Department: " ;
cin >> department;
cout << "Address: " ;
cin >> address;
Student newStudent(name,id,department,address);
data.write(reinterpret_cast<char *>(&newStudent),sizeof(newStudent));
cout << "Do you want to continue adding student data y/n";
cin >> ans;
}
while(ans == 'y');
data.close();
ifstream info;
info.open("Student.dat",ios::in|ios::binary);
while(!info.eof())
{
Student newStudent;
info.read(reinterpret_cast<char *>(&newStudent),sizeof(newStudent));
if (info)
newStudent.display();
}
info.close();
return SUCCESS;
}
int StudentDao::callBackGetAllStudents(void *, int elementCount, char **element, char **colName)
{
Student student;
student.setUid(element[0] ? element[0] : "NULL");
student.setName(element[1] ? element[1] : "NULL");
student.setSex(element[2] ? element[2] : "NULL");
student.setCredit(element[3] ? element[3] : "NULL");
student.setGrade(element[4] ? element[4] : "NULL");
student.setMajor(element[5] ? element[5] : "NULL");
student.setDepartment(element[6] ? element[6] : "NULL");
students.push_back(student);
return 0;
}
float Course::Getstudentgrade(Student& s){
int i;
Node* p;p=studentlist;
for(i=0;i<studentnum;i++){
if(strcmp(s.Getname(),p->Studentname)==0)
return p->grade;
p=p->next;
}
cout<<"can't find student"<<endl;
return 0;
}
int main() {
int age, standard;
string first_name, last_name;
cin >> age >> first_name >> last_name >> standard;
Student st;
st.set_age(age);
st.set_standard(standard);
st.set_first_name(first_name);
st.set_last_name(last_name);
cout << st.get_age() << "\n";
cout << st.get_last_name() << ", " << st.get_first_name() << "\n";
cout << st.get_standard() << "\n";
cout << "\n";
cout << st.to_string();
return 0;
}
void Course::Setgrade(Student& s,float a){
int i;
Node* p;p=studentlist;
for(i=0;i<studentnum;i++){
if(strcmp(s.Getname(),p->Studentname)==0){
p->grade=a;
cout<<"scessfully"<<endl;
exit(0);
}
}
}
int ClassMember::average(QMap<QDateTime, Session *> *sessions)
{
long double score = 0.0;
long double maxscore = 0.0;
for (int i = 0; i < ms_sessions.count(); ++i) {
Session *session = sessions->value(ms_sessions.at(i).session, NULL);
if (session == NULL)
continue;
if (ms_sessions.at(i).member_num < 0 || ms_sessions.at(i).member_num >= session->numStudents())
continue;
Student *student = session->student(ms_sessions.at(i).member_num);
score += student->score();
maxscore += student->maximumScore();
}
if (score == 0.0)
return 0;
if (maxscore == 0.0)
return 100;
return (int)(100.0 * score / maxscore);
}
int dispStudentRecord(){ //Display all Student Records
Student obj;
int v=0;
fstream fl(FLBSTUD, ios::in|ios::binary);
if(!fl){ //If file does not exist
cout<<"Empty Records !\n";
return 0;
}
while(!fl.eof()){
fl.read((char*)&obj, sizeof(obj));
if(fl.eof())
break;
v=1;
obj.printDetails();
RULE('-');
}
fl.close();
if(!v)
cout<<"Empty Records !\n";
return v;
}
std::size_t list_length(const Student<Item>& head_ptr)
// Library facilities used: cstdlib
{
const Student<Item> *cursor;
std::size_t answer;
answer = 0;
for (cursor = head_ptr.get(); cursor != NULL; cursor = cursor->link( ))
++answer;
return answer;
}
Student* fn()
{
// create a student and initialize it
cout << "Constructing a local student in fn()" <<endl;
Student student("Stephen Davis", 1234);
// display the student's name
cout << "The student's name is "
<< student.getName() << endl;
// now allocate one off of the heap
cout << "Allocating a Student from the heap" << endl;
Student *pS = new Student("Kinsey Davis", 5678);
// display this student's name
cout << "The second student's name is "
<< pS->getName() << endl;
cout << "Returning from fn()" << endl;
return pS;
}
//-------------------------------------
void fn(Student& x){
switch(x.type){
case Student::STUDENT:
x.calcTuition(); break;
case Student::GRADUATESTUDENT:{
GraduateStudent& gx = static_cast<GraduateStudent&>(x);
gx.calcTuition(); break;}
case Student::DOCTOR:{
Doctor& dx = static_cast<Doctor&>(x);
dx.calcTuition(); break;}
}
}//------------------------------------
void Tree::DeleteNode(TreeNode *&pTree){
Student data;
TreeNode* temp;
temp = pTree;
if(pTree->m_left == nullptr){
pTree = pTree->m_right;
delete temp;
}
else if(pTree->m_right == nullptr){
pTree = pTree->m_left;
delete temp;
}
else{
GetPredecessor(pTree->m_left,data);
pTree->m_student = data;
Delete(data.getID(),pTree->m_left);
}
}
void TeachRegManager::addStudentName(const QString &studentName, int groupId)
{
QMap<int, QStringList> lrMap;
QMap<int, QStringList> prMap;
int lectureDatesCount = 0, practicDatesCount = 0;
Student st;
st.setName(studentName);
st.setSubgroupId(1);
Group *gr = db->getGroupPtr(groupId);
st.setParent(gr);
for(int i = 0; i < db->getDisciplinList().count(); i++)
{
lectureDatesCount = gr->getLectureDate(i).count();
practicDatesCount = gr->getPracticDate(i * 10 + 1).count();
QStringList lect;
QStringList prac;
for(int j = 0; j < lectureDatesCount; j++)
lect << "0";
for(int j = 0; j < practicDatesCount; j++)
prac << "0";
lrMap.insert(i, lect);
prMap.insert(i, prac);
}
st.setLectureResultsMap(lrMap);
st.setPracticResultsMap(prMap);
gr->addStudent(st);
}
void AcademyGroup::Load(){
FILE* fs = NULL;
char* path = "AcademyGroup";
fopen_s(&fs, path, "rb"); if (fs == 0) exit(0);
int tmp, tmpCont;
char buf[100];
double tmpD;
Student obj;
fread(&tmpCont, sizeof(tmpCont), 1, fs);
for (int i = 0; i < tmpCont; i++){
fread(&tmp, sizeof(int), 1, fs);
fread(buf, sizeof(char), tmp, fs);
obj.setName(buf);
fread(&tmp, sizeof(int), 1, fs);
fread(buf, sizeof(char), tmp, fs);
obj.setSurname(buf);
fread(&tmp, sizeof(int), 1, fs);
obj.setAge(tmp);
fread(&buf, sizeof(char), 12, fs);
obj.setPhone(buf);
fread(&tmpD, sizeof(double), 1, fs);
obj.setAverage(tmpD);
this->AddStudents(obj);
}
fclose(fs);
}
void AuthenticationMenu(){
IStorage * fs = new FileStorage();
// ---------------------------------------------------------------------------
//** user local vars
string userName;
string userLastName;
int userId;
// Student stud;
// ---------------------------------------------------------------------------
//Student stud = Student::getStudentById(fs, 12311);
lOGO
cout << "Please enter the following details" << endl;
cout << "Name: ";
cin >> userName;
cout << "\nLast name: ";
cin >> userLastName;
cout << "\nId: ";
while (!(cin >> userId) || userId < 0) // <<< note use of "short circuit" logical operation here
{
cout << "Bad input - try again: ";
cin.clear();
cin.ignore(INT_MAX, '\n'); // NB: preferred method for flushing cin
}
Student * stud = Student::getStudentByStudentId(fs, 2 /*userId*/);
if (stud->getFirstName() == "John" /*userName*/ && stud->getLastName() == "The I"/*userLastName*/){
//if(stude.getCounter == 3 ) student locked --- else...
if (stud->verifyPassword("password@1")){
cout << "Authenticate succeed" << endl;
CLEAN
LogInMenu(fs);
}
//else counter++
}
}
bool UsersGroupsManager::update_list_browse() {
/** METHOD TO UPDATE THE LISTS (BROWSING AND LINKING) **/
// Clear the list
ui->list_browse->clear();
/// Adapt the variables and labels according the chosen method to link students and groups
bool browseStd = (ui->comboBox_browse->currentData().toInt() == BrowseStudents);
QList<qulonglong>* listToTreat = NULL;
if(browseStd) {
// If the browsing is with students
listToTreat = m_listStudents;
ui->label_browse->setText("Elèves");
ui->label_yes->setText("Groupes de l'élève");
ui->label_no->setText("Autres groupes");
}else {
// If the browsing is with groups
listToTreat = m_listGroups;
ui->label_browse->setText("Groupes");
ui->label_yes->setText("Elèves du groupe");
ui->label_no->setText("Autres élèves");
}
/// Fill the browsing list
for(int i=0; i<listToTreat->count(); i++) {
// Get the text for the item
QString text = "";
if(browseStd) {
Student* std = (Student*) listToTreat->at(i);
text = std->getName() + " " + std->getFirst_name();
} else text = ((Group*) listToTreat->at(i))->getName() + " (" + QString::number(nbStudentsInGroup(((Group*) listToTreat->at(i))->getId()))+ ")";
// Create the item with the element
QListWidgetItem *item = new QListWidgetItem(text, ui->list_browse);
item->setData(Qt::UserRole, (qulonglong) listToTreat->at(i));
}
/// Update the linking lists (lists YES and NO)
update_listsYesNo();
return true;
}
void viewmenu() {
system("cls");
Person person;
Student student;
int ec;
do {
cout << endl;
cout << setw(25) << left << " View Information" << endl;
cout << setw(25) << setfill('-') << "" << endl;
cout << setw(25) << setfill(' ') << "1. View Personal Profile" << endl;
cout << setw(25) << "2. View Student Information" << endl;
cout << setw(25) << "3. View Work Information" << endl;
cout << setw(25) << "4. Back to Main menu" << endl << endl;
cout << setw(25) << "Please select an option: ";
cin >> ec;
cin.ignore();
switch(ec) {
case 1:
person.viewProfile();
break;
case 2:
// Add Student Information.
student.addStudentInfo();
break;
case 3:
// Add Work Information.
break;
case 4:
break;
}
} while (ec != 4);
}
//三级函数 of TeaStuManage
void TeaStuAdd(void)
{
int s, again;
Student stuNew;
string name; long id; string Class;
do
{
do
{
system("cls");
cin.clear();
cin.sync();
cout<<strTeaSA1;
cin>>name;
cout<<strTeaSA2;
INPUT_INT_L(id,1);
cout<<strTeaSA3;
cin>>Class;
cout<<strTeaSAConfirm1<<name<<' '<<id<<' '<<Class<<' ';
cout<<strTeaSAConfirm2<<strStuPassword<<strTeaSAConfirm3;
INPUT_INT_LU(s,0,2);
}while(s==2);
if(s==0) return;
//else (s==1)
stuNew.SetName(name);
stuNew.SetId(id);
stuNew.SetClass(Class);
stuNew.SetPassword(strStuPassword); //初始密码
if(data.AddStu(stuNew))
cout<<strTeaSAS;
else
cout<<strTeaSAF; //学号冲突
INPUT_INT_LU(again,0,1);
}while(again==1);
return;
}
int DBimpl::createStudent (Student& student){
QSqlQuery query;
query.prepare(DatabaseQueries::insertStudent);
query.bindValue(":username",student.getUsername());
if(!query.exec())
{
qDebug() << query.lastError();
qDebug() << query.lastQuery();
return 0;
}
else {
int lastID = query.lastInsertId().toInt();
student.setID(lastID);
for (int i = 0;i < student.getQualifications().count();i++)
{
createQualificationEntry(student.getID(),*student.getQualifications().at(i));
}
return lastID;
}
}
int main()
{
int ch;
//fstream f;
Student s;
string key;
string filename;
while(1)
{
cout<<"1.insert 2.search 3.delete 4.modify\n";
cout<<"enter your choice";
cin>>ch;
switch(ch)
{
case 1:
s.read();
cout<<"enter filename ";
cin >>filename;
s.pack(filename.c_str());
break;
case 2:
cout<<"Enter the USN to be searched\n";
cin>>key;
cout<<"enter filename ";
cin >> filename;
s.search(key,filename);
break;
case 3:
s.modify(key,filename);
break;
case 4:
//s.unpack();
break;
}
}
}
void list_copy(Student<Item>& source_ptr,Student<Item>& head_ptr, Student<Item>*& tail_ptr)
{
head_ptr = NULL;
tail_ptr = NULL;
// Handle the case of the empty list
if (source_ptr == NULL)
return;
// Make the head node for the newly created list, and put data in it
list_head_insert(head_ptr, source_ptr->data( ));
tail_ptr = head_ptr.get();
// Copy rest of the nodes one at a time, adding at the tail of new list
source_ptr = source_ptr->link( );
while (source_ptr != NULL)
{
list_insert(tail_ptr, source_ptr->data( ));
tail_ptr = tail_ptr->link( );
source_ptr = source_ptr->link( );
}
}
int main(void) {
Student s;
while(true) {
cout<<"Do You Want to Add Any Student Press 1 For Yes and 0 for No?:";
int temp;
cin>>temp;
if(!temp) {
break;
}
else {
int r;
string n;
string dept;
string dt;
cout<<"Enter the Roll Number, Name, Department and Date in Order ";
cin>>r>>n>>dept>>dt;
s.add_student(r,n,dept,dt);
}
}
while(true) {
cout<<"Do You want to Update Admission Date of any Student ? Yes 1 No 0 : ";
int temp;
cin>>temp;
if(!temp) {
break;
}
else {
cout<<"Enter the Roll Number Followes By the New Admission date ";
int r;
string dt;
cin>>r>>dt;
s.update_admission_date(r,dt);
}
}
s.receive_marks();
s.prepare_mark_sheet();
cout<<"Total Number of Students Admitted : "<<Student::admitted_students();
}
void Registrar::enrollStudentInCourse(const std::string& studentName, const std::string& courseName) {
Student* student = nullptr;
Course* course = nullptr;
for (size_t i = 0; i < students.size(); i++) {
if (students[i]->getName() == studentName) {
student = students[i];
}
}
for (size_t i = 0; i < courses.size(); i++) {
if (courses[i]->getName() == courseName) {
course = courses[i];
}
}
if (student != nullptr && course != nullptr) {
student->addCourse(course);
course->addStudent(student);
} else {
cerr << "Unable to find student or course when enrolling student" << endl;
}
}
