C++网吧管理系统

首先先在此文件夹下创建data.txt

 

WorkManager.h

#pragma once
#include 
#include 
#include 
#include "Member.h"
#include "Regular.h"
#include "Super.h"
#define FILENAME "data.txt"
using namespace std;
class WorkManager
{
public:
	WorkManager();
	~WorkManager();
	void Show_Menu();//展示菜单
	void exitSystem();//退出系统
	void Add_Mem();//添加会员
	void save();//保存文件
	int get_MemNum();//统计文件中人数
	void init_Mem();//初始化会员
	void Show_Mem();//显示会员
	void Del_Mem();//删除会员
	int IsExist(int number);//判断会员是否存在
	void Mod_Mem();//修改会员
	int m_MemNum;//记录会员人数
	void Find_Mem();//查找会员
	Member **m_MemArray;//会员数组指针
	bool m_FileIsRmpty;//判断文件是否为空标志
};

WorkManager.cpp

#include "WorkManager.h"
WorkManager::WorkManager()
{
	//1.文件不存在
	ifstream ifs;
	ifs.open(FILENAME, ios::in);//读文件
	if (!ifs.is_open())
	{
		this->m_MemNum = 0;//初始化记录人数
		this->m_MemArray = nullptr;//初始化数组指针
		this->m_FileIsRmpty = true;//初始化文件是否为空
		ifs.close();
		return;
	}
	//2.文件存在 数据为空
	char ch;
	ifs >> ch;
	if (ifs.eof())//代表文件为空
	{
		this->m_MemNum = 0;//初始化记录人数
		this->m_MemArray = nullptr;//初始化指针数组
		this->m_FileIsRmpty = true;//初始化文件是否为空
		ifs.close();
		return;
	}
	//3.文件存在 并且有数据记录
	int num = this->get_MemNum();
	this->m_MemNum = num;
	this->m_MemArray = new Member*[this->m_MemNum];//开辟空间
	this->init_Mem();//将文件中的数据保存到数组
}
WorkManager::~WorkManager()
{
	if (this->m_MemArray != nullptr)
	{
		delete[]this->m_MemArray;
		this->m_MemArray = nullptr;
	}
}
void WorkManager::exitSystem()//退出系统
{
	cout << "欢迎下次使用！" << endl;
	system("pause");
	exit(0);
}
void WorkManager::Add_Mem()//添加会员
{
	cout << "请输入添加会员的数量:" << endl;
	int addNum = 0;//保存会员的输入数量
	cin >> addNum;
	if (addNum > 0)
	{
		int newSize = this->m_MemNum + addNum;//新空间人数=原来记录人数+新增人数
		Member **newSpace = new Member*[newSize];//开辟新空间
		//将原来空间下的数据拷贝到新空间下
		if (this->m_MemArray != nullptr)
		{
			for (int i = 0; i < this->m_MemNum; i++)
			{
				newSpace[i] = this->m_MemArray[i];
			}
		}
		//批量增加新数据
		for (int i = 0; i < addNum; i++)
		{
			int type;//会员类型
			string name;//姓名
			string sex;//性别
			int age;//年龄
			int number;//会员号
			int integral;//积分
			cout << "请输入第" << i + 1 << "个会员的姓名:" << endl;
			cin >> name;
			cout << "请输入第" << i + 1 << "个会员的性别:" << endl;
			cin >> sex;
			cout << "请输入第" << i + 1 << "个会员的年龄:" << endl;
			cin >> age;
			cout << "请输入第" << i + 1 << "个会员的会员号:" << endl;
			cin >> number;
			cout << "请输入第" << i + 1 << "个会员的积分:" << endl;
			cin >> integral;
			cout << "请选择该会员的类型:" << endl;
			cout << "1.普通会员" << endl;
			cout << "2.超级会员" << endl;
			cin >> type;
			Member *member = nullptr;
			switch (type)
			{
			case 1:
				member = new Regular(1, name, sex, age, number, integral);
				break;
			case 2:
				member = new Super(2, name, sex, age, number, integral);
				break;
			default:
				break;
			}
			//将创建会员类型保存到数组
			newSpace[this->m_MemNum + i] = member;
		}
		delete[]this->m_MemArray;//释放原有的空间
		this->m_MemArray = newSpace;//更改新空间的指向
		this->m_MemNum = newSize;//更新新的会员人数
		this->m_FileIsRmpty = false;//更新会员不为空标志
		//成功添加后，保存到文件中
		cout << "成功添加了:" << addNum << "名会员！" << endl;
		this->save();//保存数据到文件中
	}
	else
	{
		cout << "输入数据有误！" << endl;
	}
	system("pause");
	system("cls");
}
void WorkManager::save()//保存文件
{
	ofstream ofs;
	ofs.open(FILENAME, ios::out);//用写的方式打开文件(写文件)
	//将每个人的数据写到文件中
	for (int i = 0; i < this->m_MemNum; i++)
	{
		ofs << this->m_MemArray[i]->m_type << " "
			<< this->m_MemArray[i]->m_name << " "
			<< this->m_MemArray[i]->m_sex << " "
			<< this->m_MemArray[i]->m_age << " "
			<< this->m_MemArray[i]->m_number << " "
			<< this->m_MemArray[i]->m_integral << endl;
	}
	ofs.close();//关闭文件
}
int WorkManager::get_MemNum()//统计文件中人数
{
	ifstream ifs;
	ifs.open(FILENAME, ios::in);//以读的方式打开文件
	int type;//会员类型
	string name;//姓名
	string sex;//性别
	int age;//年龄
	int number;//会员号
	int integral;//积分
	int num = 0;
	while (ifs >> type&&ifs >> name&&ifs >> sex&&ifs >> age&&ifs >> number&&ifs >> integral)
	{
		num++;
	}
	return num;
}
void WorkManager::init_Mem()//初始化会员
{
	ifstream ifs;
	ifs.open(FILENAME, ios::in);
	int type;//会员类型
	string name;//姓名
	string sex;//性别
	int age;//年龄
	int number;//会员号
	int integral;//积分
	int index = 0;
	while (ifs >> type&&ifs >> name&&ifs >> sex&&ifs >> age&&ifs >> number&&ifs >> integral)
	{
		Member *member = nullptr;
		if (type == 1)//普通会员
		{
			member = new Regular(type, name, sex, age, number, integral);
		}
		else if (type == 2)
		{
			member = new Super(type, name, sex, age, number, integral);
		}
		this->m_MemArray[index] = member;
		index++;
	}
	ifs.close();
}
void WorkManager::Show_Mem()//显示会员
{
	if (this->m_FileIsRmpty)//判断文件是否为空
	{
		cout << "文件不存在或记录为空!                                                                     " << endl;
	}
	else
	{
		for (int i = 0; i < m_MemNum; i++)
		{
			this->m_MemArray[i]->ShowInfo();//利用多态调用程序接口
		}
	}
	system("pause");
	system("cls");
}
int WorkManager::IsExist(int number)//判断会员是否存在
{
	int index = -1;
	for (int i = 0; i < this->m_MemNum; i++)
	{
		if (this->m_MemArray[i]->m_number == number)//找到会员
		{
			index = i;
			break;
		}
	}
	return index;
}
void WorkManager::Del_Mem()//删除会员
{
	if (this->m_FileIsRmpty)
	{
		cout << "文件不存在或记录为空无法删除!" << endl;
	}
	else
	{
		cout << "请输入想要删除的会员号:" << endl;
		int number;
		cin >> number;
		int index = this->IsExist(number);
		if (index != -1)//说明会员存在,并且要删除掉index位置上的会员
		{
			for (int i = index; i < this->m_MemNum - 1; i++)
			{
				this->m_MemArray[i] = this->m_MemArray[i + 1];//数据前移
			}
			this->m_MemNum--;//更新数组中记录的人员个数
			this->save();//同步更新到文件中
			cout << "删除成功" << endl;
		}
		else
		{
			cout << "删除失败,未找到该职工!" << endl;
		}
	}
	system("pause");
	system("cls");
}
void WorkManager::Mod_Mem()//修改会员
{
	if (this->m_FileIsRmpty)
	{
		cout << "文件不存在或记录为空!" << endl;
	}
	else
	{
		cout << "请输入要修改的会员号:" << endl;
		int number;
		cin >> number;
		int ret = this->IsExist(number);
		if (ret != -1)
		{
			delete this->m_MemArray[ret];
			int newType;//会员类型
			string newName;//姓名
			string newSex;//性别
			int newAge;//年龄
			int newNumber;//会员号
			int newIntegral;//积分
			int dSelect = 0;
			cout << "查找到会员号为:" << number << "的会员,请输入新的会员号:" << endl;
			cin >> newNumber;
			cout << "请输入新的姓名:" << endl;
			cin >> newName;
			cout << "请输入新的性别:" << endl;
			cin >> newSex;
			cout << "请输入新的年龄:" << endl;
			cin >> newAge;
			cout << "请输入新的积分:" << endl;
			cin >> newIntegral;
			cout << "请输入新的会员类型:" << endl;
			cout << "1.普通会员" << endl;
			cout << "2.超级会员" << endl;
			cin >> dSelect;
			Member *member = nullptr;
			switch (dSelect)
			{
			case 1:
				member = new Regular(1, newName, newSex, newAge, newNumber, newIntegral);
				break;
			case 2:
				member = new Super(2, newName, newSex, newAge, newNumber, newIntegral);
				break;
			default:
				break;
			}
			this->m_MemArray[ret] = member;//更新数据
			cout << "修改成功!" << endl;
			this->save();//保存到文件中
		}
		else
		{
			cout << "修改失败，查无此人!" << endl;
		}
		system("pause");
		system("cls");
	}
}
void WorkManager::Find_Mem()//查找会员
{
	if (this->m_FileIsRmpty)
	{
		cout << "文件不存在或记录为空!" << endl;
	}
	else
	{
		cout << "请输入查找的方式:" << endl;
		cout << "1.按会员号查找:" << endl;
		cout << "2.按会员姓名查找:" << endl;
		int select = 0;
		cin >> select;
		if (select == 1)//按照会员号查找
		{
			int number;
			cout << "请输入查找的会员号:" << endl;
			cin >> number;
			int ret = IsExist(number);
			if (ret != -1)
			{
				cout << "查找成功!该会员信息如下:" << endl;
				this->m_MemArray[ret]->ShowInfo();
			}
			else
			{
				cout << "查找失败，查无此人" << endl;
			}
		}
		else if (select == 2)
		{
			string name;
			cout << "请输入查找的会员姓名:" << endl;
			cin >> name;
			bool flag = false;//加入判断是否查到的标志  默认为未找到
			for (int i = 0; i < m_MemNum; i++)
			{
				if (this->m_MemArray[i]->m_name == name)
				{
					cout << "查找成功,会员号为:"
						<< this->m_MemArray[i]->m_number
						<< "会员信息如下:" << endl;
					flag = true;
					this->m_MemArray[i]->ShowInfo();//调用显示信息接口
				}
			}
			if (flag == false)
			{
				cout << "查找失败，查无此人！" << endl;
			}
		}
		else//输入有误
		{
			cout << "输入选项有误!" << endl;
		}
	}
	system("pause");
	system("cls");
}
void WorkManager::Show_Menu()//展示菜单
{
	cout << "****************************************" << endl;
	cout << "********  欢迎使用网吧管理系统!  *******" << endl;
	cout << "***********  0.退出管理程序  ***********" << endl;
	cout << "***********  1.增加会员信息  ***********" << endl;
	cout << "***********  2.显示会员信息  ***********" << endl;
	cout << "***********  3.删除会员信息  ***********" << endl;
	cout << "***********  4.修改会员信息  ***********" << endl;
	cout << "***********  5.查找会员信息  ***********" << endl;
	cout << "****************************************" << endl;
	cout << endl;
}

Super.h

#pragma once
#include 
#include "Member.h"
using namespace std;
class Super:public Member//超级会员
{
public:
	Super(int type,string name, string sex, int age, int number, int integral);
	virtual void ShowInfo();//显示个人信息
	virtual string getType();//获取会员类型
};

Super.cpp

#include "Super.h"
Super::Super(int type, string name, string sex, int age, int number, int integral)
{
	this->m_type = type;
	this->m_name = name;
	this->m_sex = sex;
	this->m_age = age;
	this->m_number = number;
	this->m_integral = integral;
}
void Super::ShowInfo()//显示个人信息
{
	cout << "会员类型:" << this->getType()
		<< "会员名:" << this->m_name
		<< "\t性别:" << this->m_sex
		<< "\t年龄:" << this->m_age
		<< "\t会员号:" << this->m_number
		<< "\t积分:" << this->m_integral << endl;
}
string Super::getType()
{
	return string("超级会员");
}

Regular.h

#pragma once
#include 
#include "Member.h"
using namespace std;
class Regular:public Member//普通会员
{
public:
	Regular(int type,string name, string sex, int age, int number, int integral);
	virtual void ShowInfo();//显示个人信息
	virtual string getType();//获取会员类型
};

Regular.cpp

#include "Regular.h"
Regular::Regular(int type, string name, string sex, int age, int number, int integral)
{
	this->m_type = type;
	this->m_name = name;
	this->m_sex = sex;
	this->m_age = age;
	this->m_number = number;
	this->m_integral = integral;
}
void Regular::ShowInfo()//显示个人信息
{
	cout << "会员类型:" << this->getType()
		<< "会员名:" << this->m_name
		<< "\t性别:" << this->m_sex
		<< "\t年龄:" << this->m_age
		<< "\t会员号:" << this->m_number
		<< "\t积分:" << this->m_integral << endl;
}
string Regular::getType()
{
	return string("普通会员");
}

Member.h

#pragma once
#include 
using namespace std;
class Member//会员
{
public:
	virtual void ShowInfo() = 0;//显示个人信息
	virtual string getType() = 0;//获取会员类型
	int m_type;//会员类型
	string m_name;//姓名
	string m_sex;//性别
	int m_age;//年龄
	int m_number;//会员号
	int m_integral;//积分
};

Main.cpp

#include 
#include 
#include "WorkManager.h"
#include "Member.h"
#include "Regular.h"
#include "Super.h"
using namespace std;
int main(void)
{
	WorkManager wm;
	int choice = 0;
	while (1)
	{
		wm.Show_Menu();
		cout << "请输入您的选择:" << endl;
		cin >> choice;//接受用户的选项
		switch (choice)
		{
		case 0://退出系统
			wm.exitSystem();
			break;
		case 1://添加会员
			wm.Add_Mem();
			break;
		case 2://显示会员
			wm.Show_Mem();
			break;
		case 3://删除会员
			wm.Del_Mem();
			break;
		case 4://修改会员
			wm.Mod_Mem();
			break;
		case 5://查找会员
			wm.Find_Mem();
			break;
		default:
			system("cls");
			break;
		}
	}
	system("pause");
	return 0;
}

运行结果：

 实现增删改查功能