学生宿舍管理系统,C++源码

#include <iostream>

#include <string>

#include <fstream>

#include <ctime>

using namespace std;

class student

{

private:

long int stu_num; //学号，宿舍号

char stu_name[40]; //姓名

char class_name[40]; //班别

char house_name[20]; //宿舍

public:

student()

{

stu_num=0;

stu_name[0] =0;

class_name[0] =0;

house_name[0] =0;

}

student::student(long a, char * b,char *c,char *d)

{

Setdata(a , b, c, d);

}

char * Getstuname(void) //姓名查找

{

return stu_name ;

}

long Getstunum(void) //学号查找

{

return stu_num;

}

char * Gethousename(void) //宿舍号查找

{

return house_name;

}

char * Getclassname(void) //按班级查找

{

return class_name;

}

void Setdata(long a, char *b,char *c,char *d)

{

stu_num = a;

strcpy(stu_name, b);

strcpy(class_name, c);

strcpy(house_name, d);

}

void Show(void)

{

cout<<"学号:"<<stu_num<<"\t"<<"姓名:"<<stu_name<<"\t";

cout<<"班级:"<<class_name<<"\t\t"<<"宿舍:"<<house_name<<"\n";

}

};

void main(void)

{

student s1;

int flags=0;

long stu_num; //学号

char stu_name[40]; //姓名

char class_name[40]; //班级

char house_name[20]; //宿舍

time_t t;

time(&t);

ifstream file1;

ofstream file3;

char flag = 'y';

cout<< "---------------------------------学生成绩管理系统-------------------------------"<<endl;

cout<< "\t\t\t 时间:" << ctime(&t);

while( flag=='y' || flag=='Y')

{ //由flag控制循环

cout<<"--------------------------------------------------------------------------------\n";

cout<<"\t\t 1:注册学生!\n";

cout<<"\t\t 2:按学号查看学生信息!\n";

cout<<"\t\t 3:按宿舍号查看学生信息!\n";

cout<<"\t\t 4:按姓名查看学生信息!\n";

cout<<"\t\t 5:按班级查看学生信息!\n";

cout<<"\t\t 6:显示全部学生信息\n";

// cout<<"\t\t 7:按学号修改学生信息\n";

// cout<<"\t\t 8:按学号删除学生信息!\n";

cout<<"--------------------------------------------------------------------------------\n";

cout<<"请输入选择：";

char choice;

cin>>choice;

switch(choice)

{

case '1':

file3.open("c:\\stu.dat",ios::app|ios::binary);

input: flags=0;

cout<<"输入学号：";

cin>>stu_num;

while (stu_num<100000 || stu_num>999999)

{

cin.clear();

rewind(stdin);

cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;

cout << "学号:";

cin >> stu_num;

}

file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件

while(!file1.eof())

{

int n;

file1.read((char *)&s1,sizeof(student));

n=file1.gcount();

if(n==sizeof(student))

{

if(s1.Getstunum()==stu_num)

flags=1;

}

}

file1.clear();

file1.close();

if (flags==1)

{

cin.clear();

cout << "学号重复,请重输入!" << endl;

goto input;

}

cout<<"输入姓名："; cin>>stu_name;

cout<<"输入班级："; cin>>class_name;

cout<<"输入宿舍："; cin>>house_name;

s1.Setdata(stu_num,stu_name,class_name,house_name);

file3.write((char*)&s1,sizeof(s1));

file3.clear();

file3.close();

break;

case '2': //按学号查找

cout<<"请输入学生的学号：";

cin>>stu_num;

while (stu_num<100000 || stu_num>999999)

{

cin.clear();

rewind(stdin);

cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;

cout << "学号:";

cin >> stu_num;

}

file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件

while(!file1.eof())

{

int n;

file1.read((char *)&s1,sizeof(student));

n=file1.gcount();

if(n==sizeof(student))

{

if(s1.Getstunum()==stu_num) //显示学生信息

{

s1.Show();

flags=1;

}

}

}

file1.clear();

file1.close();

if (flags==0)

cout << "没有找学号为："<< stu_num <<"的学生记录!" << endl;

flags=0;

break;

case '3': //按宿舍号查找

cout<<"请输入宿舍号:";

cin>>house_name;

file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件

while(!file1.eof())

{

int n;

file1.read((char *)&s1,sizeof(student));

n=file1.gcount();

if(n==sizeof(student))

{

if(strcmp(s1.Gethousename(),house_name)==0)

{

s1.Show();

flags=1;

}

}

}

file1.clear();

file1.close();

if (flags==0)

cout << "没有找到宿舍为:"<< house_name <<"的学生记录!" << endl;

flags=0;

break;

case '4': //按姓名查找

cout<<"请输入学生姓名:";

cin>>stu_name;

file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件

while(!file1.eof())

{

int n;

file1.read((char *)&s1,sizeof(student));

n=file1.gcount();

if(n==sizeof(student))

{

if(strcmp(s1. Getstuname(),stu_name)==0)

{

s1.Show();

flags=1;

}

}

}

file1.clear();

file1.close();

if (flags==0)

cout << "没有找到姓名为:"<< stu_name <<"的学生记录!" << endl;

flags=0;

break;

case '5': //按班级查找

cout<<"请输入班级名称:";

cin>>class_name;

file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件

while(!file1.eof())

{

int n;

file1.read((char *)&s1,sizeof(student));

n=file1.gcount();

if(n==sizeof(student))

{

if(strcmp(s1. Getclassname(),class_name)==0)

{

s1.Show();

flags=1;

}

}

}

file1.clear();

file1.close();

if (flags==0)

cout << "没有找到该班级为:"<< class_name <<"的学生记录!" << endl;

flags=0;

break;

case '6': //显示全部学生信息

file1.open("c:\\stu.dat",ios::in | ios::binary);//按读方式打开文件

while(!file1.eof())

{

int n;

file1.read((char *)&s1,sizeof(student));

n=file1.gcount();

if(n==sizeof(student))

{

s1.Show();

flags=1;

}

}

file1.clear();

file1.close();

if (flags==0)

cout << "数据库没有记录!" << endl;

flags=0;

break;

// case '7': //修改学生信息按学号

// flags=0;

// cout<<"请输入要修改学生的学号:";

// cin>>stu_num;

// while (stu_num<100000 || stu_num>999999)

// {

// cin.clear();

// rewind(stdin);

// cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;

// cout << "学号:";

// cin >> stu_num;

// }

// file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件

// while(!file1.eof())

// {

// int n;

// file1.read((char *)&s1,sizeof(student));

// n=file1.gcount();

// if(n==sizeof(student))

// {

// if(s1.Getstunum()==stu_num)

// {

// file3.open("c:\\stu.dat",ios::out|ios::binary);

// cout<<"输入姓名："; cin>>stu_name;

// cout<<"输入班级："; cin>>class_name;

// cout<<"输入宿舍："; cin>>house_name;

// s1.Setdata(stu_num,stu_name,class_name,house_name);

// file3.write((char*)&s1,sizeof(s1));

// file3.close();

// flags=1;

// }

// }

// }

// file1.clear();

// file1.close();

// if (flags==0)

// {

// cout << "没有此学生记录，不能进行修改！" << endl;

// break;

// }

// break;

// case '8': //删除学生信息按学号

default: flag = 'n';

break;

}

}

cout << "谢谢您的使用!" << endl;

}