aaaCollege_Information_Management/graduateManager.h

#pragma once
#pragma once
/*************************************************
Copyright (C), 2010, Tyut
File name:     GradateManager.h
Author: gaobaolu      Version: 1.0     Date: 2010.6.28
Description:   <EFBFBD>о<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*************************************************/
//#ifndef UNDERGRADUATE_MANAGER_H
#define UNDERGRADUATE_MANAGER_H
#include <iostream>
#include <string>
#include <fstream>
#include"graduate.h"
using namespace std;
/* Define a Class : GradateManager <20>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
class GradateManager
{
private:
    int top; //<2F><>¼ָ<C2BC><D6B8>
    Graduate graduates[100]; //<2F>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>¼
public:
    GradateManager();//<2F><><EFBFBD>캯<EFBFBD><ECBAAF>,<2C><>Undergraduate.txt<78><74><EFBFBD><EFBFBD>undergraduates[]<5D><>  
    int queryByNo(string sno);//<2F><><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD> //<2F>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>//û<>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-1
    void clearStudent();  //ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>Ϣ    
    int addStudent(Graduate s); //<2F><><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD>,<2C><>Ҫ<EFBFBD>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD> 
    int modifyStudent(string sno);  //<2F>޸<EFBFBD>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD>Ϣ ,<2C><>Ҫ<EFBFBD>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
    int deleteStudent(string sno);//ɾ<><C9BE><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE>ǰ<EFBFBD>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD> 
    int queryStudent(string sno);//<2F><><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD>,<2C>鵽<EFBFBD><E9B5BD><EFBFBD><EFBFBD>ʾ,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾδ<CABE>鵽   
    void displayAll();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>Ϣ
    void dataManage(); //<2F>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>ά<EFBFBD><CEAC>
    void dataSave();
    void dataRead();
    ~GradateManager();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>undergraduates[]д<><D0B4>Undergraduate.txt<78>ļ<EFBFBD><C4BC><EFBFBD>
};
//<2F><><EFBFBD>캯<EFBFBD><ECBAAF>,<2C><>Undergraduate.txt<78><74><EFBFBD><EFBFBD>undergraduates[]<5D><>    
GradateManager::GradateManager()
{
    dataRead();
}
//<2F><><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD>
//<2F>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>
//û<>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-1 
int GradateManager::queryByNo(string sno)
{
    for (int i = 0; i <= top; i++)
        if (graduates[i].getStudentNo() == sno)
            return i;
    return -1;
}
//ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ 
void GradateManager::clearStudent()
{
    top = -1;
}
//<2F><><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD>,<2C><>Ҫ<EFBFBD>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
int GradateManager::addStudent(Graduate s)
{
    int p = queryByNo(s.getStudentNo());
    if (p == -1)
    {
        top++;
        graduates[top] = s;
        dataSave();//<2F><><EFBFBD><EFBFBD>       
        return 1;
    }
    else
    {
        cout << "---------><3E><>ѧ<EFBFBD><D1A7><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD> !<----------" << endl << endl;
        return 0;
    }
}
//<2F>޸<EFBFBD><DEB8>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE>ǰ<EFBFBD>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
int GradateManager::modifyStudent(string  sno)
{
    int p = queryByNo(sno);
    if (p == -1)
    {
        cout << "---------><3E><>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> !<----------" << endl << endl;
        return 0;
    }
    else
    {
        cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ: " << endl << endl;
        graduates[p].inputData();
        dataSave();//<2F><><EFBFBD><EFBFBD> 
        return 1;
    }

}
//ɾ<><C9BE><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE>ǰ<EFBFBD>Ȳ<EFBFBD><C8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD> 
int GradateManager::deleteStudent(string sno)
{
    int p = queryByNo(sno);
    if (p == -1)
    {
        cout << "---------><3E><>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> !<----------" << endl << endl;
        return 0;
    }
    else
    {
        for (int i = p; i < top; i++)
            graduates[i] = graduates[i + 1];
        top--;
        cout << "--------->ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!<----------" << endl << endl;
        dataSave();//<2F><><EFBFBD><EFBFBD>       
        return 1;
    }
}
//<2F><><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD>
int GradateManager::queryStudent(string sno)
{
    int p = queryByNo(sno);
    if (p == -1)
    {
        cout << "---------><3E><>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> !<----------" << endl << endl;
        return 0;
    }
    else
    {
        cout << "---------><3E><>ѧ<EFBFBD><D1A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<----------" << endl << endl;
        graduates[p].displayDetails();
        return 1;
    }
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><D0BE><EFBFBD><EFBFBD><EFBFBD>Ϣ
void GradateManager::displayAll()
{
    for (int i = 0; i <= top; i++)
    {
        cout << "--------<2D><>" << i << "<EFBFBD><EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>----------" << endl << endl;
        graduates[i].displayDetails();

    }
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>undergraduates[]д<><D0B4>Undergraduate.txt<78>ļ<EFBFBD><C4BC><EFBFBD>
GradateManager::~GradateManager()
{
    dataSave();
}
void GradateManager::dataManage()
{
    int choice = 1;
    string sstudentNo;
    Graduate s;

    while (choice != 0)
    {
        cout << "********************************************" << endl;
        cout << "\t\t<EFBFBD>о<EFBFBD><EFBFBD><EFBFBD>ά<EFBFBD><EFBFBD>\n";
        cout << "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" << endl;
        cout << "\n \t\t 1:<3A><><EFBFBD><EFBFBD> ";
        cout << "\n \t\t 2:<3A>޸<EFBFBD> ";
        cout << "\n \t\t 3:ɾ<><C9BE> ";
        cout << "\n \t\t 4:<3A><><EFBFBD><EFBFBD> ";
        cout << "\n \t\t 5:<3A><>ʾ ";
        cout << "\n \t\t 6:ȫ<><C8AB>ɾ<EFBFBD><C9BE> ";
        cout << "\n \t\t 0:<3A>˳<EFBFBD> ";
        cout << endl;
        cout << "*********************************************" << endl;
        cout << "<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << endl;
        cin >> choice;
        switch (choice)
        {
        case 1:
            s.inputData();
            addStudent(s);
            break;
        case 2:
            cout << " <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><D1A7>:";
            cin >> sstudentNo;
            modifyStudent(sstudentNo);
            break;
        case 3:
            cout << " <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><D1A7>:";
            cin >> sstudentNo;
            deleteStudent(sstudentNo);
            break;
        case 4:
            cout << " <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧ<EFBFBD><D1A7>:";
            cin >> sstudentNo;
            queryStudent(sstudentNo);
            break;
        case 5:
            displayAll();
            break;
        case 6:
            clearStudent();
            break;
        default:
            break;
        }
    }
}
void GradateManager::dataSave()//<2F>洢<EFBFBD><E6B4A2><EFBFBD>Ϻ<EFBFBD><CFBA><EFBFBD>,<2C><>read[]д<><D0B4>Undergraduate.txt<78>ļ<EFBFBD><C4BC><EFBFBD>
{
    fstream file("C:\\Undergraduate.dat", ios::out);
    for (int i = 0; i <= top; i++)
        file.write((char*)&graduates[i], sizeof(graduates[i]));
    file.close();
}
void GradateManager::dataRead() //<2F><><EFBFBD>캯<EFBFBD><ECBAAF>,<2C><>Undergraduate.txt<78><74><EFBFBD><EFBFBD>read[]<5D><>
{
    Graduate s;
    top = -1;
    fstream file("C:\\graduate.dat", ios::in);
    while (1)
    {
        file.read((char*)&s, sizeof(s));
        if (!file) break;
        top++;
        graduates[top] = s;
    }
    file.close();
}
//#endif //UNDERGRADUATE_MANAGER_H