Ejemplo n.º 1
0
void main() {
	cout << "< CREATE DBMS >" << endl;

	Database database;
	database.GetInfo(); // 현재 라인 수 체크
	
	int check;
	cin >> check;
	cin.ignore(1,'\n'); //cin 과 cin.getline의 \n 사용 방식이 다르므로 넣어줌. cin 으로 남아있는 \n 제거

	if(check == 1) {
		char column1[30], column2[30];

		

		cout << "첫번째 값을 입력하세요 : ";
		cin.getline(column1,30);

		/*

		for(int i = 0; i < 30; i++) {
			if(strcmp(column1[i],"")) {
				column1[i] = '\0';
			}
		}

		*/

		// 비교
		for(int i = 0; i < 30; i++) {
			column1[i] = '\0';
			column2[i] = '\0';
		}

		cout << endl << "두번째 값을 입력하세요 : ";
		cin.getline(column2,30);

		database.Insert(column1,column2);
	} else if(check == 2) {
		database.View();
	}
}
Ejemplo n.º 2
0
int main()
{
    Database db;
    while(true)
    {
        cout << "A simple database program\n" << endl;
        cout << "(1) Add a record" << endl;
        cout << "(2) Show all record" << endl;
        cout << "(3) Search student(s) by name" << endl;
        cout << "(4) Output records to a text file" << endl;
        cout << "(5) Input records from a text file" << endl;
        cout << "(6) Exit the program" << endl << endl;
        cout << "Please select a function...>";
        int opt=0;
        cin >> opt;
        system("cls");
        switch(opt)
        {
        case 1: //add record
            {
                if(!db.isFull())
                {
                    cout << "Please input the required values:" << endl << endl;
                    string name;
                    cout << "Name (no space): ";
                    cin >> name;
                    char gender;
                    cout << "Gender(M/F): ";
                    cin >> gender;
                    int age;
                    cout << "Age: ";
                    cin >> age;
                    int scores[Student::MAX_SCORES]={0};
                    cout << Student::MAX_SCORES << " Scores: ";
                    for(int i=0;i<Student::MAX_SCORES;++i)
                        cin >> scores[i];
                    Student s(name, gender, age, scores);
                    db.Insert(s);
                    cout << endl << "Successfully add a record!" << endl << endl;
                }
                else
                    cout << "Database is full." << endl;
                break;
            }
        case 2: //show record
            {
                cout << "There are " << db.size() << " records." << endl << endl;
                cout << db << endl;
                break;
            }
        case 3: //search name
            {
                string name;
                cout << "Please input the name of the student...>";
                cin >> name;
                cout << endl;
                cout << "If the length of name is too long, it may ignore part sequence to fit the name field when searching." << endl << endl;
                Database result = db.Select(name);
                cout << "There is/are " << result.size() << " \"" << name << "\":" << endl << endl;
                cout << result << endl;
                break;
            }
        case 4: //output file
            {
                cout << "Out all records to a text file." << endl << endl;
                cout << "Note that the original data in the file will be lost after writing to the file. Are you sure that you want to continue? (Y/N)...>";
                char ch='N';
                cin >> ch;
                if(ch=='Y'||ch=='y')
                {
                    cout << "Please input the name of the file...>";
                    string filename;
                    cin >> filename;
                    db.Export(filename);
                    cout << endl << "Successfully export data to \"" << filename << "\"." << endl << endl;
                }
                else