【C++学习日记】学生公寓管理系统

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2022-05-04

//
#include<iostream>
#include<fstream>
#include<string>
#include<io.h>
#include<vector>
#include"User.h"
#include"Gui.h"
#include"Rooms.h"

using namespace std;
void Show_Login();
User *t=new User;
int main()
{
	Show_Login();
	while (1)
	{
		if (t->Permissions == 1)
		{
			int a = 0;
			Show_Admin_GUI();
			cin >> a;
			switch (a)
			{
			case 1:
			{
				Add_Apatment();
			}break;
			case 2:
			{
				Add_Dormitory();
			}break;
			case 3:
			{
				Modify_Apartment();
			}break;
			case 4:
			{
				Modify_Dormitory();
			}break;
			case 5:
			{
				Delete_Apartment();
			}break;
			case 6:
			{
				Delete_Dormitory();
			}break;
			case 7:
			{
				t->Admin_Lookup_Dormitory();
			}break;
			case 8:
			{
				exit(0);
			}break;
			default:
			{
				cout << "您的输入有误！" << endl << endl;
				cout << "滑稽信息管理系统发生错误 错误原因：管理员界面选择错误" << endl << "请重新启动程序！";
				abort();;
			}
			break;

			}
		}

		else
		{
			Show_User_GUI();
			int a = 0;
			cin >> a;
			switch (a)
			{
			case 1:
			{
				t->Show_My_Info();
			}break;
			case 2:
			{
				t->Lookup_My_Dormitory();
			}break;
			case 3:
			{
				t->Lookup_Dormitory();
			}break;
			case 4:
			{
				exit(0);
			}break;
			default:
			{
				cout << "您的输入有误！" << endl<<endl;
				cout << "滑稽信息管理系统发生错误 错误原因：用户界面选择错误" << endl << "请重新启动程序！";
				abort();;
			}
			break;
			}

		}
	}
}

//登录注册选择界面
void Show_Login()
{
	cout << "欢迎使用滑稽公寓信息管理系统" << endl;
	cout << "1.注册账户" << endl;
	cout << "2.登录账户" << endl<<endl;
	cout << "当前系统已注册 人数:"<< GetUserNum() <<" 公寓:"<< GetApartmentNum() <<" 当前信息完善率:" << GetRatio() << endl;
	int a = 0;
	cin >> a;
	if (a != 1 && a != 2)
	{
		cout << "输入错误!" << endl;
	}
	switch (a)
	{
	case 1:
		t->Register(*t);
		break;
	case 2:
		t->Login(*t);
		break;
	default:
	{
		cout << "您的输入有误！" << endl << endl;
		cout << "滑稽信息管理系统发生错误 错误原因：注册登录界面选择错误" << endl << "请重新启动程序！";
		abort();;
	}
	break;
	}
}

//需要的头文件

Rooms.h

#pragma once
#include<string>
#include<iostream>
#include<cstdio>
#include"User.h"
using std::cout;
using std::cin;
using std::endl;
//公寓 寝室类
class Room
{
protected:
	std::string id_No = "";
	std::string Admin_Name;
};
class Apartment :public Room
{
private:
	int Student_Total = 0;
	std::string use = "";
public:
	void Setting(std::string id, std::string admin, std::string s)
	{
		id_No = id;
		Admin_Name = admin;
		use = s;
	}
	void Show()
	{
		std::cout << id_No << "号公寓楼:" << endl << "公寓性质:" << use << endl << "公寓管理员:" << Admin_Name<<endl<<endl;
	}
};
class Dormitory :public Room
{
	friend void Add_Dormitory();
	friend void Modify_Dormitory();
	friend class User;
private:
	int Student_Total = 6;
	std::string Name[6];

public:
	void Setting(int id, std::string admin)
	{
		id_No = id;
		Admin_Name = admin;
	}
	void Show()
	{
		std::cout << "寝室号:" << id_No << "   寝室管理员:" << Admin_Name << endl<<endl;;
	}
};

void Add_Apatment()
{
	std::string name = "",use="";
	std::string id = "";
	cout << "请输入新增的公寓楼号:" << endl;
	cin >> id;
	std::string real_id = "Data\\" + id + "\\";
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State == -1)
	{
		std::string temp = "mkdir " + real_id;
		std::system(temp.c_str());
	}
	else
	{
		cout << "此公寓已存在！" << endl;
		cout << "滑稽信息管理系统发生错误 错误原因：用户试图创建已存在的公寓！" << endl << "请重新启动程序！";
		abort();
	}
	cout << "请输入公寓管理员姓名:" << endl;
	cin >> name;
	cout << "请输入公寓用途:" << endl;
	cin >> use;
	std::string real_filename = real_id + "info.dat";
	std::ofstream out(real_filename, std::ios::binary);
	Apartment* ctemp = new Apartment;
	ctemp->Setting(id, name, use);
	out.write((char*)ctemp, sizeof(Apartment));
	out.close();

}
void Show_Apartment_Info()
{
	std::string id = "";
	cout << "请输入您要查看的公寓号:" << endl;
	cin >> id;
	std::string real_id = "Data\\" + id + "\\info.dat";
	std::ifstream in(real_id, std::ios::binary);
	Apartment* ctemp = new Apartment;
	in.read((char*)ctemp, sizeof(Apartment));
	ctemp->Show();
}
void Modify_Apartment()
{
	std::string name = "", use = "";
	std::string id = "";
	cout << "请输入修改的公寓楼号:" << endl;
	cin >> id;
	std::string real_id = "Data\\" + id + "\\";
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State == -1)
	{
		cout << "不存在此公寓信息，请您选择新增公寓信息！" << endl;
	}
	else
	{
		cout << "请输入新公寓管理员姓名:" << endl;
		cin >> name;
		cout << "请输入新公寓用途:" << endl;
		cin >> use;
		std::string real_filename = real_id + "info.dat";
		std::ofstream out(real_filename, std::ios::binary | std::ios::trunc);
		Apartment* ctemp = new Apartment;
		ctemp->Setting(id, name, use);
		out.write((char*)ctemp, sizeof(Apartment));
		out.close();
	}
}
void Add_Dormitory()
{
	Dormitory* temp = new Dormitory;
	std::string Apartment_Id, Dormitory_Id,Admin_Name;
	int Number = 0;
	cout << "请输入寝室所在的公寓号:" << endl;
	cin >> Apartment_Id;
	std::string real_id = "Data\\" + Apartment_Id + "\\";
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State == -1)
	{
		cout << "不存在此公寓信息，请您选择新增公寓信息！" << endl;
	}
	else
	{
		cout << "请输入寝室号:" << endl;
		cin >> Dormitory_Id;
		std::string real_fid = "Data\\" + Apartment_Id + "\\" + Dormitory_Id + ".dat";
		State = _access(real_fid.c_str(), 0);
		if (State != -1)
		{
			cout << "已存在此寝室信息！请选择修改寝室信息！" << endl;
			cout << "滑稽信息管理系统发生错误 错误原因：用户试图创建已存在的寝室！" << endl << "请重新启动程序！";
			abort();
		}
		cout << "请输入寝室管理员姓名:";
		cin >> temp->Admin_Name;
		cout << "请输入寝室人数:";
		cin >> Number;
		if (Number > 6 || Number < 1)
		{
			cout << "数据输入异常！人员数只能是1到6！";
			cout << "滑稽信息管理系统发生错误 错误原因：异常的人员数！" << endl << "请重新启动程序！";
			abort();
		}
		for (int i = 0; i < Number; i++)
		{
			cout << "请输入第" << i + 1 << "名同学的姓名";
			cin >> temp->Name[i];
		}
		temp->Student_Total = Number;
		temp->id_No = Dormitory_Id;
		std::ofstream out(real_fid.c_str(), std::ios::binary);
		out.write((char*)temp, sizeof(Dormitory));
		out.close();
	}

}
void Modify_Dormitory()
{
	Dormitory* temp = new Dormitory;
	std::string Apartment_Id, Dormitory_Id, Admin_Name;
	int Number = 0;
	cout << "请输入寝室所在的公寓号:" << endl;
	cin >> Apartment_Id;
	std::string real_id = "Data\\" + Apartment_Id + "\\";
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State == -1)
	{
		cout << "不存在此公寓信息，请您选择新增公寓信息！" << endl;
	}
	else
	{
		cout << "请输入寝室号:" << endl;
		cin >> Dormitory_Id;
		std::string real_fid = "Data\\" + Apartment_Id + "\\" + Dormitory_Id + ".dat";
		State = _access(real_fid.c_str(), 0);
		if (State == -1)
		{
			cout << "此寝室信息不存在！请选择新增寝室信息！" << endl;
		}
		cout << "请输入新寝室管理员姓名:";
		cin >> temp->Admin_Name;
		cout << "请输入新寝室人数:";
		cin >> Number;
		if (Number > 6 || Number < 1)
		{
			cout << "数据输入异常！人员数只能是1到6！";
		}
		else
		{
			for (int i = 0; i < Number; i++)
			{
				cout << "请输入第" << i + 1 << "名同学的姓名";
				cin >> temp->Name[i];
			}
			temp->Student_Total = Number;
			std::ofstream out(real_fid.c_str(), std::ios::binary | std::ios::trunc);
			out.write((char*)temp, sizeof(Dormitory));
			out.close();
		}
	}
}
void Delete_Apartment()
{
	std::string name = "", use = "";
	std::string id = "";
	cout << "请输入要删除的公寓楼号:" << endl;
	cin >> id;
	std::string real_id = "Data\\" + id + "\\";
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State!= -1)
	{
		std::string t = "rmdir /s /q " + real_id;
		system(t.c_str());
		cout << id << "公寓已被删除!";
	}
	else
	{
		cout << "此公寓不存在 无法删除！" << endl;
	}
}
void Delete_Dormitory()
{
	Dormitory* temp = new Dormitory;
	std::string Apartment_Id, Dormitory_Id;
	int Number = 0;
	cout << "请输入寝室所在的公寓号:" << endl;
	cin >> Apartment_Id;
	std::string real_id = "Data\\" + Apartment_Id + "\\";
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State == -1)
	{
		cout << "不存在此公寓信息，请您选择输入公寓信息！" << endl;
	}
	else
	{
		cout << "请输入寝室号:" << endl;
		cin >> Dormitory_Id;
		std::string real_fid = "Data\\" + Apartment_Id + "\\" + Dormitory_Id + ".dat";
		State = _access(real_fid.c_str(), 0);
		if (State != -1)
		{
			std::remove(real_fid.c_str());
			cout << Dormitory_Id << "公寓已被删除!";
		}
		else
		{
			cout << "无法删除！因为" << Dormitory_Id << "寝室不存在!" << endl;
		}
	}
}

Gui.h

#pragma once
#include<iostream>
#include<string>
#include<io.h>
#include<queue>
using std::cout;
using std::cin;
using std::endl;


//Admin界面
void Show_Admin_GUI()
{
	cout << endl << "超级管理员功能:" << endl<<endl;
	cout << "1.新增公寓信息" << endl;
	cout << "2.新增寝室信息" << endl;
	cout << "3.修改公寓信息" << endl;
	cout << "4.修改寝室信息" << endl;
	cout << "5.删除公寓信息" << endl;
	cout << "6.删除寝室信息" << endl;
	cout << "7.全系统信息查询" << endl;
	cout << "8.退出系统" << endl<< endl;
}

void Show_User_GUI()
{
	cout << endl << "普通用户功能:" << endl<<endl;
	cout << "1.查询我的信息" << endl;
	cout << "2.查询同寝室同学信息" << endl;
	cout << "3.查询同公寓同学信息" << endl;
	cout << "4.退出系统" << endl << endl;
}



int GetUserNum()
{
    int fileNum = 0;
    std::string inPath = "Userinfo\\";
    std::vector<std::string> pathVec;
    std::queue<std::string> q;
    q.push(inPath);

    while (!q.empty())
    {
        std::string item = q.front(); q.pop();

        std::string path = item + "\\*";
        struct _finddata_t fileinfo;
        auto handle = _findfirst(path.c_str(), &fileinfo);
        if (handle == -1) continue;

        while (!_findnext(handle, &fileinfo))
        {
            if (fileinfo.attrib & _A_SUBDIR)
            {
                if (strcmp(fileinfo.name, ".") == 0 || strcmp(fileinfo.name, "..") == 0)continue;
                q.push(item + "\\" + fileinfo.name);
            }
            else
            {
                fileNum++;
                pathVec.push_back(item + "\\" + fileinfo.name);
            }
        }
        _findclose(handle);
    }

    return fileNum;
}
int GetApartmentNum()
{
    int fileNum = 0;
    std::string inPath = "Data\\";
    std::vector<std::string> pathVec;
    std::queue<std::string> q;
    q.push(inPath);

    while (!q.empty())
    {
        std::string item = q.front(); q.pop();

        std::string path = item + "\\*";
        struct _finddata_t fileinfo;
        auto handle = _findfirst(path.c_str(), &fileinfo);
        if (handle == -1) continue;

        while (!_findnext(handle, &fileinfo))
        {
            if (fileinfo.attrib & _A_SUBDIR)
            {
                if (strcmp(fileinfo.name, ".") == 0 || strcmp(fileinfo.name, "..") == 0)continue;
                q.push(item + "\\" + fileinfo.name);
            }
            else
            {
                fileNum++;
                pathVec.push_back(item + "\\" + fileinfo.name);
            }
        }
        _findclose(handle);
    }

    return fileNum;
}
std::string GetRatio()
{
    if (GetApartmentNum() == 0)
    {
        return "当前系统尚未录入公寓信息 无法显示";
    }
    else
    {
        double Num = double(GetUserNum()) / (double(GetApartmentNum()) * 1800.00);
        std::string s = std::to_string(Num * 100) + "%";
        return s;
    }
}

User.h

#pragma once
#include<iostream>
#include<string>
#include<fstream>
#include<io.h>
#include<typeinfo>
#include"Rooms.h"
using std::cout;
using std::cin;
using std::endl;

//用户类
class User
{
	friend class Dormitory;
	friend std::string Lookup_User(std::string Username);
	friend int main();
private:
	std::string Password, Username = "";
	long long ID_Number=0L;
	int Apartment_id=0, Dormitory_id = 0;
	int Permissions = 0;
public:

	void Login(User& u);
	void Register(User& u);
	void Show_My_Info();
	void Lookup_My_Dormitory();
	void Lookup_Dormitory();
	void Admin_Lookup_Dormitory();
};
void Check_Catalog()
{
	int State = 0;
	State = _access("Userinfo\\", 0);
	if (State == -1)
	{
		system("mkdir Userinfo\\");
	}
}
//检查此用户是否已经注册
void Check_is_Reg(std::string name)
{
	int State = 0;
	std::string real_address = "Userinfo\\" + name + ".dat";
	State = _access(real_address.c_str(), 0);
	if (State != -1)
	{
		cout<<"此用户已在系统内注册！ 如需修改请联系系统管理员！"<<endl<<endl;
		cout << "滑稽信息管理系统发生错误 错误原因：已注册过的用户名" << endl << "请重新启动程序！";
		abort();
	}
}
void User::Register(User& u)
{
	std::string name, fname, password = "";
	int permissions = 0;
	long long  id_number = 0;
	int a_id, d_id = 0;
	std::cout << "请输入姓名:" << std::endl;
	std::cin >> name;
	Check_is_Reg(name);
	std::cout << "请输入密码(当前版本无法修改密码):" << std::endl;
	std::cin >> password;
	std::cout << "请输入学/工号:" << std::endl;
	std::cin >> id_number;
	std::cout << "请输入公寓楼号:" << std::endl;
	std::cin >> a_id;
	std::cout << "请输入寝室号:" << std::endl;
	std::cin >> d_id;
	std::cout << "请输入用户类型对应的数字:" << std::endl << "1.管理员    2.普通用户" << std::endl;
	std::cin >> permissions;
	if (permissions == 0)
	{
		cout << "滑稽信息管理系统发生错误 错误原因：错误的数据输入"<<endl<<"请重新启动程序！";
		abort();
	}
	if (permissions != 1 && permissions != 2)
	{
		std::cout << "类型输入错误！" << std::endl;
		std::abort();
	}
	Check_Catalog();
	fname = "./Userinfo/" + name + ".dat";
	std::ofstream username;
	username.open(fname, std::ios::binary);
	if (!username)
	{
		std::cout << "注册失败！文件无法写入！" << std::endl;
		abort();
	}
	else
	{
		Password = password;
		Username = name;
		Permissions = permissions;
		Apartment_id = a_id;
		Dormitory_id = d_id;
		ID_Number = id_number;
		username.write((char*)&u, sizeof(User));
		username.close();
		std::cout << "注册成功！" << std::endl << "你的用户名是:" << name << std::endl;
		std::cout << "学/工号:" << id_number << std::endl << "你的寝室是:" << a_id << "#" << d_id << std::endl;
	}
}
void User::Login(User& u)
{
	std::string name = "";
	std::string fname = "";
	std::string password="";
	std::cout << "请输入用户名:" << std::endl;
	std::cin >> name;
	fname = "./Userinfo/" + name + ".dat";
	std::ifstream username;
	username.open(fname, std::ios::binary || std::ios::_Nocreate);
	if (!username)
	{
		std::cout << "不存在此账户!" << std::endl;
		cout << "滑稽信息管理系统发生错误 错误原因：错误的用户名登录！" << endl << "请重新启动程序！";
		abort();
	}
	std::cout << "请输入密码:" << std::endl;
	std::cin >> password;
	User *temp=new User;
	username.read((char*)temp, sizeof(User));
	username.close();
	if (password == temp->Password)
	{
		std::cout << "登录成功！" << std::endl;
		
	}
	else
	{
		std::cout << "密码错误!" << std::endl;
		cout << "滑稽信息管理系统发生错误 错误原因：错误的密码登录！" << endl << "请重新启动程序！";
		abort();
	}
	u = *temp;
}
void User::Show_My_Info()
{
	system("cls");
	std::cout <<endl<< "用户名:" << Username << std::endl;
	std::cout << "学/工号:" << ID_Number << std::endl;
	std::cout << "权限组:" << Permissions << std::endl;
	std::cout << "('1'为管理员   '2'为普通用户)" << std::endl;
	std::cout << "寝室号" <<Apartment_id <<"#"<<Dormitory_id << std::endl<<std::endl;
	std::cout << "寝室信息:"<< std::endl;
	Lookup_My_Dormitory();
} 
//提供给Room的账户信息查询
std::string Lookup_User(std::string Username)
{
	std::string fname = "./Userinfo/" + Username + ".dat";
	std::ifstream in(fname.c_str(), std::ios::binary);
	if(!in)
	{
		std::string r = "用户:" + Username + "( 此用户尚未在系统中注册 无信息)";
		return r;
	}
	else
	{
		User* temp = new User;
		in.read((char*)temp, sizeof(User));
		std::string rr = "用户:" + Username + "   学/工号:" + std::to_string(temp->ID_Number);
		return rr;
	}
	in.close();
}
//查询本人寝室信息
void User::Lookup_My_Dormitory()
{
	std::string real_fid = "Data\\" + std::to_string(Apartment_id) + "\\" + std::to_string(Dormitory_id) + ".dat";
	std::ifstream in(real_fid.c_str(), std::ios::binary|std::ios::_Nocreate);
	if (!in)
	{
		cout<<endl << "此寝室信息尚未创建!"<<endl;
	}
	else
	{
		Dormitory* temp = new Dormitory;
		in.read((char*)temp, sizeof(Dormitory));
		for (int i = 0; i < temp->Student_Total; i++)
		{
			cout << Lookup_User(temp->Name[i]) << endl;
		}
	}
}
//查询同公寓寝室信息
void User::Lookup_Dormitory()
{
	std::string id;
	cout <<endl<< Username << " 你好 您可查询的范围是" << Apartment_id << "公寓所有寝室" << endl;
	cout << "请输入需要查询的寝室号:" << endl;
	cin >> id;
	std::string real_fid = "Data\\" + std::to_string(Apartment_id) + "\\" + id + ".dat";
	std::ifstream in(real_fid.c_str(), std::ios::binary | std::ios::_Nocreate);
	if (!in)
	{
		cout << "此寝室信息尚未创建!";
		in.close();
	}
	else
	{
		system("cls");
		Dormitory* temp = new Dormitory;
		in.read((char*)temp, sizeof(Dormitory));
		temp->Show();
		in.close();
	}
}
//管理员查询全系统信息
void User::Admin_Lookup_Dormitory()
{
	std::string a_id, d_id;
	cout << Username << "管理员你好 您可查询的范围是系统内所有信息" << endl;
	cout << "请输入需要查询的公寓号:" << endl;
	cin >> a_id;
	cout << "请输入需要查询的寝室号:" << endl;
	cin >> d_id;
	std::string real_fid = "Data\\" + a_id + "\\" + d_id + ".dat";
	std::string real_id = "Data\\" + a_id + "\\";
	std::ifstream in(real_fid.c_str(), std::ios::binary | std::ios::_Nocreate);
	int State = 0;
	State = _access(real_id.c_str(), 0);
	if (State == -1)
	{
		cout << "此公寓信息尚未创建!";
	}
	else if (!in)
	{
		cout << "此寝室信息尚未创建!";
	}
	else
	{
		in.close();
		real_fid = "Data\\" + a_id + "\\" +  "info.dat";
		in.open(real_fid.c_str(), std::ios::binary | std::ios::_Nocreate);
		Apartment* atemp = new Apartment;
		in.read((char*)atemp, sizeof(Apartment));
		atemp->Show();
		in.close();
		real_fid = "Data\\" + a_id + "\\" + d_id + ".dat";
		in.open(real_fid.c_str(), std::ios::binary | std::ios::_Nocreate);
		Dormitory* temp = new Dormitory;
		in.read((char*)temp, sizeof(Dormitory));
		temp->Show();
		for (int i = 0; i < temp->Student_Total; i++)
		{
			cout << Lookup_User(temp->Name[i]) << endl<<endl<<endl;
		}
	}
	in.close();

}

仅为刚入门C++的练手程序

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