11.cpp

管理系统

#include <iostream>

using namespace std;
#ifndef HEAD_H
#define HEAD_H  
#include <string>

using namespace std;

//出生日期类
class birthday
{
public:
    birthday();//默认构造
    int get_year();//获得出生的年份
    int get_month();//获得出生的月份
    int get_day();//获得出生的日
    void set_birth();//设置出生日期
private:
    int year;
    int month;
    int day;
};

//学生类
class student
{
public:
    student();//默认构造函数
    char face();//首页
    void inster_new();//新学生登记
    void show_all();//显示所有学生信息
    void select();//查询学生信息
    void alter();//修改学生信息
    void deletes();//删除学生信息
    void delete_sigle();//删除一个学生记录
    void delete_all();//删除所有学生记录
private:
    string name;
    string number;//学号
    char sex;//姓别 w/m
    string bornPlace;//出生地，籍贯
    int age;
    birthday birth;//出生日期
    string address;//住址
};

#endif
#include <fstream>
#include <string>
#include <iomanip>
#include <cassert>
#include <conio.h>

//生日类构造函数
birthday::birthday()
{
    year = 0;
    month = 0;
    day = 0;
}
//__page_break__
//得到年份 
int birthday::get_year()
{
    return year;
}

//得到月份
int birthday::get_month()
{
    return month;
}

//得到日
int birthday::get_day()
{
    return day;
}

//设置出生日期
void birthday::set_birth()
{
    cin >>year >>month >>day;
}

//学生类默认构造函数
student::student():birth()
{
    name = "\0";
    number = "\0";
    sex = '\0';
    bornPlace = " \0";
    age = 0;
    address = " \0";
}

//首页
char student::face()
{
    char choose;
    
    system("cls");
    cout <<endl;
    cout <<"\t     ◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇           学 生 基 本 信 息 管 理 系 统          ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇              1. 新学生登记                       ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇              2. 浏览所有学生信息                 ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇              3. 查询信息                         ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇              4. 修改信息                         ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇              5. 删除信息                         ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇              6. 关闭系统                         ◇" <<endl
        <<"\t     ||                                                  ||" <<endl
        <<"\t     ◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇〓◇" <<endl <<"\t\t";
    
    choose = getch();
    fflush(stdin);
    
    return choose;
}
//__page_break__
//新学生登记
void student::inster_new()
{
    system("cls");
    cout <<endl <<"\t新学生登记" <<endl <<endl;
    cout <<"\t     姓名 : ";
    cin >>name;
    cout <<endl <<"\t     学号 : ";
    cin >>number;
    cout <<endl <<"\t性别(m/w) : ";
    cin >>sex;
    cout <<endl <<"\t     年龄 : ";
    cin >>age;
    cout <<endl <<"\t 出生日期 : ";
    birth.set_birth();
    cout <<endl <<"\t     籍贯 : ";
    cin >>bornPlace;
    cout <<endl <<"\t     住址 : ";
    cin >>address;
    
    ofstream stuFile("students\\stu.txt", ios::app);
    assert(stuFile);
    stuFile <<number <<endl;
    stuFile.close();
    
    string stuFileName = "students\\"+number+".txt";
    ofstream stuFile1(stuFileName.c_str());
    assert(stuFile1);

    stuFile1 <<"姓名 : " <<name <<endl <<endl
        <<"学号 : "<<number <<endl <<endl
        <<"性别 : "<<sex <<endl <<endl
        <<"年龄 : "<<age <<endl <<endl
        <<"出生日期 : " <<birth.get_year() <<"." <<birth.get_month() <<"." <<birth.get_day() <<endl <<endl
        <<"籍贯 : " <<bornPlace <<endl <<endl
        <<"住址 : " <<address <<endl;
    stuFile1.close();
    
    cout <<endl <<endl <<"\t新生登记完成!!!!" <<endl<<endl <<"\t";
    system("pause");
}

//显示所有学生信息
void student::show_all()
{
    system("cls");
    cout <<endl <<"所有学生信息如下 : " <<endl <<endl;
    
    ifstream stuFile("students\\stu.txt");
    assert(stuFile);
    string str1;
    string str2;
    string str3;
    /*    cout <<setiosflags(ios::left) <<setw(15) <<"姓名 "
    <<setw(15) <<"学号 " <<setw(5) <<"性别 "
    <<setw(5) <<"年龄 " <<setw(15) <<"出生日期 " 
    <<setw(8) <<"籍贯 " <<"住址" <<endl;*/
    while (stuFile >>number)
    {
        number = "students\\"+number+".txt";
        ifstream stuFile1(number.c_str());
        assert(stuFile1);
        cout <<stuFile1.rdbuf() <<endl <<endl;
        stuFile1.close();
    }
    stuFile.close();
    
    cout <<endl <<endl <<"所有学生信息显示完成!!!!" <<endl <<endl;
    system("pause");
}
//__page_break__
//查询学生信息
void student::select()
{
    system("cls");
    cout <<endl <<"\t学生信息查询" <<endl <<endl;
    cout <<"\t请输入查询学号 : ";
    string no;
    cin >>no;
    ifstream stuFile("students\\stu.txt");
    assert(stuFile);
    while (stuFile >>number)
    {
        if (no == number)
        {
            cout <<endl <<number <<"的信息如下 : " <<endl;
            number = "students\\"+number+".txt";
            ifstream stuFile1(number.c_str());
            assert(stuFile1);
            cout <<endl <<stuFile1.rdbuf() <<endl <<endl;
            cout <<"查询完毕!!!!" <<endl <<endl;
            system("pause");
            return;
        }
    }
}

//修改学生信息
void student::alter()
{
    system("cls");
    cout <<endl <<"\t信息修改" <<endl <<endl;
    cout <<"\t请输入学号 : ";
    string no;
    cin >>no;
    
    ifstream stuFile("students\\stu.txt");
    while (stuFile >>number)
    {
        if (no == number)
        {
            cout <<endl <<number <<"以前的信息如下 : " <<endl <<endl;
            number = "students\\"+number+".txt";
            ifstream stuFile1(number.c_str());
            assert(stuFile1);
            cout <<stuFile1.rdbuf() <<endl <<endl;
            cout <<endl <<"请根据提示输入新的信息 : " <<endl <<endl;
            cout <<"\t     姓名 : ";
            cin >>name;
            cout <<endl <<"\t性别(m/w) : ";
            cin >>sex;
            cout <<endl <<"\t     年龄 : ";
            cin >>age;
            cout <<endl <<"\t 出生日期 : ";
            birth.set_birth();
            cout <<endl <<"\t     籍贯 : ";
            cin >>bornPlace;
            cout <<endl <<"\t     住址 : ";
            cin >>address;
            
            string stuFileName = "students\\"+no+".txt";
            ofstream stuFile2(stuFileName.c_str());
            assert(stuFile2);

            stuFile2 <<"姓名 : " <<name <<endl <<endl
                <<"学号 : "<<no <<endl <<endl
                <<"性别 : "<<sex <<endl <<endl
                <<"年龄 : "<<age <<endl <<endl
                <<"出生日期 : " <<birth.get_year() <<"." <<birth.get_month() <<"." <<birth.get_day() <<endl <<endl
                <<"籍贯 : " <<bornPlace <<endl <<endl
                <<"住址 : " <<address <<endl;
            stuFile2.close();
            
            cout <<endl <<endl <<"\t信息修改完成!!!!" <<endl<<endl <<"\t";
            system("pause");
            return;
        }
    }
}
//__page_break__
//删除学生信息
void student::deletes()
{
    char choose;
    
    while (1)
    {
        system("cls");
        cout <<endl <<"\t删除学生信息" <<endl <<endl;
        cout <<endl <<"\t●\t1.  删除除一个学生记录" <<endl
            <<endl <<"\t●\t2.  删除所有学生记录" <<endl 
            <<endl <<"\t●\t3.  返回首页" <<endl <<endl <<"\t\t";
        
        choose = getch();
        fflush(stdin);
        
        switch (choose)
        {
        case '1':
            delete_sigle();//删除一个学生记录
            break;
        case '2':
            delete_all();//删除所有学生信息
            break;
        case '3':
            return;
        default:
            break;
        }
    }
}

//删除一个学生记录
void student::delete_sigle()
{
    system("cls");
    cout <<endl <<"\t删除学生信息" <<endl <<endl;
    cout <<"\t请输入学号 : ";
    string no;
    cin >>no;
    fflush(stdin);

    ifstream stuFile("students\\stu.txt");
    assert(stuFile);
    while (stuFile >>number)
    {
        if (no == number)
        {
            number = "students\\"+number+".txt";
            ifstream stuFile1(number.c_str());
            assert(stuFile1);
            cout <<endl <<"你想删除的学生信息如下 : " <<endl <<endl;
            cout <<stuFile1.rdbuf() <<endl;
            stuFile1.close();

            cout <<endl <<"你确定要删除吗?(y/n) : ";
            if (getch() == 'y')
            {
                ifstream stuFile2("students\\stu.txt");
                assert(stuFile2);
                ofstream tempFile("students\\temp.txt");
                assert(tempFile);

                while (stuFile2 >>number)
                {
                    if (no != number)
                    {
                        tempFile <<number <<endl;
                    }
                }
                stuFile2.close();
                tempFile.close();

                ifstream tempFile1("students\\temp.txt");
                assert(tempFile1);
                ofstream stuFile3("students\\stu.txt");
                assert(stuFile3);
                stuFile3 <<tempFile1.rdbuf();
                tempFile1.close();
                stuFile3.close();

                number = "students\\"+no+".txt";
                ofstream stuFile4(number.c_str());
                stuFile4.close();
                cout <<endl <<endl <<"该生信息已经删除!!" <<endl <<endl <<"\t";
                system("pause");
            }
            break;
        }
    }
}
//__page_break__
//删除所有学生记录
void student::delete_all()
{
    cout <<endl <<endl <<"\t你确定在删除所有学生信息吗? 此操作不可恢复.(y/n) : ";
    if (getch() == 'y')
    {
        ifstream stuFile("students\\stu.txt");
        assert(stuFile);
        while (stuFile >>number)
        {
            number = "students\\"+number+".txt";
            ofstream stuFile1(number.c_str());
            assert(stuFile1);
            stuFile1.close();
        }
        stuFile.close();

        ofstream stuFile2("students\\stu.txt");
        assert(stuFile2);
        cout <<endl <<endl <<"\t所用学生信息已经删除!!!" <<endl <<endl;
        system("pause");
    }
}

//主函数,选择功能
int main()
{
    char choose;
    student astu;

    while (choose = astu.face())
    {
        switch (choose)
        {
        case '1':
            astu.inster_new();//新生登记
            break;
        case '2':
            astu.show_all();//显示所有学生信息
            break;
        case '3':
            astu.select();//信息查询
            break;
        case '4':
            astu.alter();//修改学生信息
            break;
        case '5':
            astu.deletes();//删除学生信息
            break;
        case '6':
            cout <<endl <<"\t\t谢谢使用!!!!!" <<endl <<endl <<"\t\t";
            exit(0);
            break;
        default:
            break;
        }
    }

    return 0;
}