职工管理系统

职工管理系统.cpp

#include<iostream>
#include<string>
using namespace std;
#include"workerManager.h"
#include"worker.h"
#include"Employee.h"
#include"Manager.h"
#include"Boss.h"
 
int main() {
 
 
	/*Worker* worker = NULL;
	worker = new Employee(1, "张三", 1);
	worker->showInfo();
	;
 
	Worker* worker1 = NULL;
	worker1 = new Manager(2, "李四" ,2);
	worker1->showInfo();
 
 
	Worker* worker2 = NULL;
	worker2 = new Boss(3, "王五", 3);
	worker2->showInfo();*/
 
	WorkerManager wm;
 
 
 
 
	int choice = 0;
	while (true) {
 
		wm.Show_Menu();
 
		cout << "您选择？" << endl;
		cin >> choice;
 
		switch (choice)
		{
		case 0:
			wm.ExitSystem();
			break;
		case 1:
			wm.Add_Emp();
			break;
		case 2:
			wm.show_Emp();
			break;
		case 3:
			wm.del_Emp();
			break;
		case 4:
			wm.mod_Emp();
			break;
		case 5:
			wm.find_Emp();
			break;
		case 6:
			wm.sort_Emp();
			break;
		case 7:
			wm.clean_File();
			break;
		default:
			system("cls");
			break;
		}
	}
 
}

----------------------

workermanager.h

#pragma once//防止头文件重复包含
#include<iostream>
using namespace std;
#include"worker.h"
//文件交互
#include<fstream>
#define FILENAME "empFile.txt"
 
class WorkerManager
{
public:
 
	WorkerManager();
 
	void Show_Menu();
 
	void ExitSystem();
 
	//记录职工人数
	int m_empNum;
 
	//职工数组指针
	Worker ** m_empArray;
 
	void Add_Emp();
 
	//保存文件
	void Save();
 
	//判断文件是否为空的标记
	bool m_FileIsEmpty;
 
	//统计文件中的人数
	int get_empNum();
 
	//初始化员工
	void init_Emp();
 
	//显示员工的成员函数
	void show_Emp();
 
	//删除员工的函数
	void del_Emp();
    //判断是否员工存在
	int IsExist(int id);
 
	//修改员工
	void mod_Emp();
 
	//查找员工
	void find_Emp();
 
	//按编号排序
	void sort_Emp();
 
	//清空文件
	void clean_File();
 
	~WorkerManager();
};
 

workermanager.cpp

#include "workerManager.h"
#include"boss.h"
#include"manager.h"
#include"employee.h"
#pragma once
using namespace std;
#include<iostream>
#include"manager.h"
 
 
 
WorkerManager::WorkerManager()
{
	//1,文件不存在
	ifstream ifs;
	ifs.open(FILENAME, ios::in);//读文件
	
	if (!ifs.is_open()) {
		cout << "文件不存在!" << endl;
		//初始化属性
		//初始化记录人数
		this->m_empNum = 0;
		//初始化数组指针
		this->m_empArray = NULL;
		//初始化文件是否为空
		this->m_FileIsEmpty = true;
		ifs.close();
		return;
	}
	//2,文件存在但为空
	char ch;
	ifs >> ch;
	if (ifs.eof()) {
		cout << "文件为空!" << endl;
		//初始化属性
		//初始化记录人数
		this->m_empNum = 0;
		//初始化数组指针
		this->m_empArray = NULL;
		//初始化文件是否为空
		this->m_FileIsEmpty = true;
		ifs.close();
		return;
	}
 
	//3,文件存在，并且记录数据
		int num = this->get_empNum();
		cout << "员工人数为：  " << num << endl;
		this->m_empNum = num;//由文件中的人数更新成员里的人员人数
 
 
 
 
	////开辟空间
	//this->m_empArray = new Worker * [this->m_empNum];
	////将文件中的数据，存入数组中
	//this->init_Emp();
	////测试代码
	//for (int i = 0; i < this->m_empNum; i++) {
	//	cout << this->m_empArray[i]->m_Id
	//		<< this->m_empArray[i]->m_Name
	//		<< this->m_empArray[i]->m_DeptId << endl;
	//}
 
	//this->m_empNum = 0;
	//this->m_empArray = NULL;
 
 
}
 
void WorkerManager::Show_Menu()//类外创建函数
//"::"为作用域解析运算符，类名::函数名 是说这个函数式这个类的函数
{
	cout << "********************************************" << endl;
	cout << "欢迎使用职工管理系统"<< endl;
	cout << "0.退出管理程序"<<endl;
	cout << "1.增加职工信息" << endl;
	cout << "2.显示职工信息" << endl;
	cout << "3.删除离职职工" << endl;
	cout << "4.修改职工信息" << endl;
	cout << "5.查找职工信息"<<endl;
	cout << "6.按照编号排序" << endl;
	cout << "7.清空所有文档" << endl;
	cout << endl;
 
}
 
void WorkerManager::ExitSystem()
{
	cout << "欢迎下次使用" << endl;
	system("pause");
	exit(0);
}
 
void WorkerManager::Add_Emp()
{
	cout << "请输入增加的员工数量" << endl;
 
	int addNum = 0;
	cin >> addNum;
 
	if (addNum > 0) {
 
		//用临时变量存添加后的员工数量
		int newSize = this->m_empNum + addNum;
 
		//开辟新空间 newSpace（Worker**）为数组指针与m_empArray性质相同
		Worker** newSpace = new Worker * [newSize];
 
		//将原数据内容拷贝到新空间下
		if (this->m_empNum != NULL) {
			for (int i = 0; i < this->m_empNum; i++) {
				newSpace[i] = this->m_empArray[i];
			}
		}
 
		for (int i = 0; i < addNum; i++) {
			int id;
			string name;
			int deptid;
 
			cout << "输入第" << i + 1 << "个新员工的编号" << endl;
			cin >> id;
 
			cout << "输入第" << i + 1 << "个新员工的姓名" << endl;
			cin >> name;
 
			cout << "输入该员工的岗位" << endl;
			cout << "1，普通员工" << endl;
			cout << "2，经理" << endl;
			cout << "3，老板" << endl;
			cin >> deptid;
 
			//父类指针worker(worker*)先置空
			Worker* worker = NULL;
 
			switch (deptid)
			{
			case(1):
				worker = new Employee(id, name, deptid);
				break;
			case(2):
				worker = new Manager(id, name, deptid);
				break;
			case(3):
				worker = new Boss(id, name, deptid);
				break;
			default:
				break;
			}
 
			//插到数组精准的位置
			newSpace[this->m_empNum + i] = worker;
 
		}
 
		//释放原有空间
		delete[] this->m_empArray;
		//更改新空间的指向
		this->m_empArray = newSpace;
		//更新新的员工个数
		this->m_empNum = newSize;
 
		cout << "插入成功！" << endl;
		//刚更新员工不为空的标记
		this->m_FileIsEmpty = false;
		this->Save();
	}
	else {
		cout << "输入有误" << endl;
	}
	system("pause");
	system("cls");
}
 
//保存文件
void WorkerManager::Save()
{
	ofstream ofs;
	ofs.open(FILENAME, ios::out);//用输出的方式打开文件
	//将每个人的数据写入文件中
	for (int i = 0; i < this->m_empNum; i++) {
		ofs << this->m_empArray[i]->m_Id << " "
			<< this->m_empArray[i]->m_Name << " "
			<< this->m_empArray[i]->m_DeptId << endl;
	}
	//关闭文件
	ofs.close();
}
 
int WorkerManager::get_empNum()
{
	ifstream ifs;
	ifs.open(FILENAME, ios::in);//打开文件读
	
	int id;
	string name;
	int deptid;
	int num = 0;
 
	while (ifs >> id && ifs >> name && ifs >>deptid) {
		num++;
	}
	return num;
}
 
//初始化员工
void WorkerManager::init_Emp()
{
	ifstream ifs;
	ifs.open(FILENAME, ios::in);
 
	int id;
	string name;
	int deptid;
	int index = 0;
 
	while (ifs >> id && ifs >> name && ifs >> deptid) {
		Worker* worker = NULL;
 
		if (deptid == 1) {
			worker = new Employee(id, name, 1);
		}
		else if (deptid == 2) {
			worker = new Manager(id, name, 2);
		}
		else if (deptid == 3) {
			worker = new Boss(id, name, 3);
		}
		this->m_empArray[index++] = worker;
 
	}
	//关闭文件
	ifs.close();
}
 
void WorkerManager::show_Emp()
{
	if (this->m_FileIsEmpty) {
		cout << "文件不存在或记录为空" << endl;
	}
	else
	{
		for (int i = 0; i < m_empNum; i++) {
			//利用多态调用程序接口
			this->m_empArray[i]->showInfo();
		}
	}
	system("pause");
	system("cls");
}
 
//删除员工的函数
void WorkerManager::del_Emp()
{
	if (this->m_FileIsEmpty) {
		cout << "文件不存在或记录为空" << endl;
	}
	else
	{
		cout << "输入哪个员工（编号）" << endl;
		int id = 0;
		cin >> id;
 
		int index = this->IsExist(id);
		if (index != -1) {
			for (int i = 0; i < this->m_empNum - 1; i++) {
				this->m_empArray[i] = this->m_empArray[i + 1];
			}
			this->m_empNum--;
			this->Save();
			cout << "删除成功！" << endl;
		}
		else {
			cout << "删除失败，未找到员工" << endl;
		}
	}
	system("pause");
	system("cls");
}
 
 
//判断是否员工存在
int WorkerManager::IsExist(int id)
{
	int index = -1;
	for (int i = 0; i < this->m_empNum; i++) {
		if (this->m_empArray[i]->m_Id == id) {
			index = i;
			break;
		}
	}
	return index;
}
 
void WorkerManager::mod_Emp()
{
	if (this->m_FileIsEmpty) {
		cout << "文件不存在或为空" << endl;
	}
	else
	{
		cout << "请输入修改员工的编号" << endl;
		int id;
		cin >> id;
 
		int ret = this->IsExist(id);
		if (ret != -1) {
			delete this->m_empArray[ret];
			int newId = 0;
			string newName = " ";
			int deptid = 0;
 
			cout << "已查找到，请输入新的员工号" << endl;
			cin >> newId;
			cout << "新姓名" << endl;
			cin >> newName;
			cout << "新岗位" << endl;
			cin >> deptid;
 
			Worker* worker = NULL;
 
			switch (deptid)
			{
			case(1):
				worker = new Employee(newId, newName, deptid);
				break;
			case(2):
				worker = new Manager(newId, newName, deptid);
				break;
			case(3):
				worker = new Boss(newId, newName, deptid);
				break;
			default:
				break;
			}
 
			//插到数组精准的位置
			this->m_empArray[ret] = worker;
			cout << "修改成功" << endl;
			this->Save();
		}
		else {
			cout << "查无此人" << endl;
		}
	}
	system("pause");
	system("cls");
}
 
void WorkerManager::find_Emp()
{
	if (this->m_FileIsEmpty) {
		cout << "文件不存在或记录为空" << endl;
	}
	else
	{
		cout << "1,按照编号查找" << endl;
		cout << "2,按照姓名查找" << endl;
 
		int select = 0;
		cin >> select;
 
		if (select == 1) {
			int id;
			cout << "输入编号" << endl;
			cin >> id;
 
			int ret = this->IsExist(id);
			if (ret != -1) {
				cout << "该员工信息如下" << endl;
				this->m_empArray[ret]->showInfo();
			}
			else {
				cout << "查无此人" << endl;
			}
		}
		else if(select==2) {
			cout << "输入姓名" << endl;
			string name;
			bool flag = false;
			cin >> name;
 
			for (int i = 0; i < this->m_empNum; i++) {
				if (this->m_empArray[i]->m_Name == name) {
					cout << "员工编号为：" << this->m_empArray[i]->m_Id
						<< "的信息如下" << endl;
					this->m_empArray[i]->showInfo();
					flag = true;
				}
			}
			if (!flag) {
				cout << "查无此人" << endl;
			}
		}
	}
	system("pause");
	system("cls");
}
 
void WorkerManager::sort_Emp()
{
	if (this->m_FileIsEmpty) {
		cout << "文件不存在或为空" << endl;
		system("pause");
		system("cls");
	}
	else
	{
		cout << "请选择排序方式" << endl;
		cout << "按员工编号升序" << endl;
		cout << "按员工编号降序" << endl;
 
		int select = 0;
		cin >> select;
		for (int i = 0; i < this->m_empNum; i++) {
			int minOrMax = i;//声明最小值或最大值下标
			for (int j = i+1; j < this->m_empNum; j++) {
				if (select == 1)//升序
				{
					if (this->m_empArray[minOrMax]->m_Id > this->m_empArray[j]->m_Id) {
						minOrMax = j;
					}
				}
				else//降序
				{
					if (this->m_empArray[minOrMax]->m_Id < this->m_empArray[j]->m_Id) {
						minOrMax = j;
					}
				}
			}
			//判断一开始认定的最小值或最大值是不是计算的最大值或最小值，
			//如果不是，交换数据
			if (i != minOrMax) {
				Worker* temp = this->m_empArray[i];
				this->m_empArray[i] = this->m_empArray[minOrMax];
				this->m_empArray[minOrMax] = temp;
			}
		}
		cout << "排序成功！排序后的结果为： " << endl;
		this->Save();
		this->show_Emp();
 
	}
}
 
void WorkerManager::clean_File()
{
	cout << "确认清空？" << endl;
	cout << "输入1确认" << endl;
 
	int select = 0;
	cin >> select;
 
	if (select == 1) {
		ofstream ofs(FILENAME, ios::trunc);//删除文件后重新创建
		ofs.close();
 
		if (this->m_empArray != NULL) {
			//删除堆区的每个员工对象
			for (int i = 0; i < this->m_empNum; i++) {
				delete this->m_empArray[i];
				this->m_empArray[i] = NULL;
			}
			//删除堆区数组指针
			delete[] this->m_empArray;
			this->m_empArray = NULL;
			this->m_empNum = 0;
			this->m_FileIsEmpty = true;
		}
		cout << "清空完成！" << endl;
	}
	system("pause");
	system("cls");
}
 
WorkerManager::~WorkerManager()
{
	if (this->m_empArray != NULL) {
		delete[]this->m_empArray;
		this->m_empArray = NULL;
	}
}

----------------------

worker.h

#pragma once
#include<iostream>
#include<string>
using namespace std;
 
 
//职工抽象类
class Worker
{
public:
	//查询个人信息
	virtual void showInfo() = 0;
	//获取岗位名称
	virtual string getDeptName() = 0;
 
	//职工编号
	int m_Id;
	//职工姓名
	string m_Name;
	//部门编号
	int m_DeptId;
};
 

employee.h

#pragma once
//普通员工文件
using namespace std;
#include<iostream>
#include"worker.h"
 
class Manager:public Worker
{
public:
	Manager(int id, string name, int deptname);
	
	virtual void showInfo() ;
 
	virtual string getDeptName();
};

manager.h

#pragma once
//普通员工文件
using namespace std;
#include<iostream>
#include"worker.h"
 
class Manager:public Worker
{
public:
	Manager(int id, string name, int deptname);
	
	virtual void showInfo() ;
 
	virtual string getDeptName();
};

boss.h

#pragma once
//老板文件
using namespace std;
#include<iostream>
#include"worker.h"
 
class Boss :public Worker
{
public:
	Boss(int id, string name, int deptid);
 
	void showInfo();
 
	string getDeptName();
};
 

----------------------

employee.cpp

#pragma once
using namespace std;
#include<iostream>
#include"employee.h"
 
//构造函数
Employee::Employee(int id ,string name,int deptid)
{
	this->m_Id = id;
	this->m_Name = name;
	this->m_DeptId = deptid;
}
 
//查询个人信息
void Employee::showInfo()
{
	cout << "职工编号：  " << this->m_Id
		<< "\t职工姓名：  " << this->m_Name
		<< "\t岗位：  " << this->getDeptName()
		<< "\t岗位职责:完成经理交给的任务 " << endl;
}
//获取岗位名称
string Employee::getDeptName()
{
	return string("员工");
}
 

manager.cpp

#pragma once
#pragma once
using namespace std;
#include<iostream>
#include"manager.h"
 
 
 
 
Manager::Manager(int id, string name, int deptid)
{
	this->m_Id = id;
	this->m_Name = name;
	this->m_DeptId = deptid;
}
 
void Manager::showInfo()
{
	cout << "职工编号：  " << this->m_Id
		<< "\t职工姓名：  " << this->m_Name
		<< "\t岗位：  " << this->getDeptName()
		<< "\t岗位职责:完成老板交给的任务 " << endl;
}
 
string Manager::getDeptName()
{
	return string("经理");
}

boss.cpp

#pragma once
using namespace std;
#include<iostream>
#include"boss.h"
 
 
Boss::Boss(int id, string name, int deptid) {
 
	this->m_Id = id;
	this->m_Name = name;
	this->m_DeptId = deptid;
}
 
void Boss::showInfo() {
 
	cout << "职工编号：  " << this->m_Id
		<< "\t职工姓名：  " << this->m_Name
		<< "\t岗位：  " << this->getDeptName()
		<< "\t岗位职责:交给经理任务 " << endl;
}
 
string Boss::getDeptName() {
	return string("老板");
}