头文件
boss.h
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
class Boss: public Worker
{
public:
//构造函数
Boss(int id, string name, int dId);
//显示个人信息
virtual void showInfo();
//获取岗位名称
virtual string getDeptName();
};
employee.h
#pragma once
#include <iostream>
#include <string>
#include "worker.h"
using namespace std;
class Employee : public Worker
{
public:
//构造函数
Employee(int id, string name, int dId);
//显示个人信息
virtual void showInfo(); //子类重写父类的纯虚函数
//获取岗位名称
virtual string getDeptName(); //子类重写父类的纯虚函数
};
manager.h
#pragma once
#include <iostream>
#include <string>
#include "worker.h"
using namespace std;
class Manager: public Worker
{
public:
//构造函数
Manager(int id, string name, int dId);
//显示个人信息
virtual void showInfo();
//获取岗位名称
virtual string getDeptName();
};
worker.h
#pragma once
#include <iostream>
#include <string>
using namespace std;
class Worker
{
public:
int m_Id; //职工编号
string m_Name; //职工姓名
int m_DeptId; //部门编号
public:
//显示个人信息
virtual void showInfo() = 0;
//获取岗位名称
virtual string getDeptName() = 0;
};
WorkerManager.h
#pragma once //防止头文件重复包含
#include <iostream>
#include "worker.h"
#include <fstream>
#define FILENAME "empFile.txt"
using namespace std;
class WorkerManager
{
public:
//构造函数
WorkerManager();
//析构函数
~WorkerManager();
//展示菜单
void Show_Menu();
//记录职工人数
int m_EmpNum;
//职工数组指针
Worker** m_EmpArray;
//添加职工
void Add_Emp();
//保存文件
void save();
//判断文件是否为空的标志
bool m_FileIsEmpty;
//统计文件中的人数
int get_EmpNum();
//初始化员工
void init_Emp();
//显示职工的成员函数
void Show_Emp();
//删除职工
void Del_Emp();
//判断职工是否存在,如果存在返回所在数组中的下标,不存在则返回-1
int Is_Exist(int id);
//修改职工
void Mod_Emp();
//查找员工
void Find_Emp();
//按照编号排序
void Sort_Emp();
//清空文件
void Clean_File();
//退出系统
void ExitSystem();
};
源文件
boss.cpp
#pragma once
#include <iostream>
#include <string>
#include "boss.h"
//构造函数
Boss::Boss(int id, string name, int dId)
{
this->m_Id = id;
this->m_Name = name;
this->m_DeptId = dId;
}
//显示个人信息
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:管理公司所有事务"
<< endl;
}
//获取岗位名称
string Boss::getDeptName()
{
return string("老板");
}
employee.cpp
#include <iostream>
#include <string>
#include "employee.h"
using namespace std;
//构造函数
Employee::Employee(int id, string name, int dId)
{
this -> m_Id = id;
this -> m_Name = name;
this -> m_DeptId = dId;
}
//显示个人信息
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
#include <iostream>
#include <string>
#include "manager.h"
//构造函数
Manager::Manager(int id, string name, int dId)
{
this->m_Id = id;
this->m_Name = name;
this->m_DeptId = dId;
}
//显示个人信息
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,并且下发任务给普通员工"
<< endl;
}
//获取岗位名称
string Manager::getDeptName()
{
return string("经理");
}
WorkerManager.cpp
#include "WorkerManager.h"
#include "employee.h"
#include "manager.h"
#include "boss.h"
//构造函数
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;
this->m_EmpNum = 0;
this->m_EmpArray = NULL;
this->m_FileIsEmpty = true;
ifs.close();
return;
}
//2.文件存在 数据为空
char ch;
ifs >> ch;
if (ifs.eof())
{
//cout << "文件为空" << endl;
this->m_EmpNum = 0;
this->m_EmpArray = NULL;
this->m_FileIsEmpty = true;
ifs.close();
return;
}
//3.文件存在并且已经记录数据
int num = this->get_EmpNum();
//cout << "职工人数为: " << num << endl;
this->m_EmpNum = num;
//开辟空间
this->m_EmpArray = new Worker * [this->m_EmpNum];
//将文件中的数据存到数组中
this->init_Emp();
//测试代码
//for (int i = 0; i < this->m_EmpNum; i++)
//{
// cout << "职工编号:" << this->m_EmpArray[i]->m_Id
// << "姓名:" << this->m_EmpArray[i]->m_Name
// << "部门编号:" << this->m_EmpArray[i]->m_DeptId << endl;
//}
}
//统计文件中的人数
int WorkerManager::get_EmpNum()
{
ifstream ifs;
ifs.open(FILENAME, ios::in); //读文件
int id;
string name;
int dId;
int num = 0;
while (ifs >> id && ifs >> name && ifs >> dId)
{
//统计人数
num++;
}
return num;
}
void WorkerManager::save()
{
ofstream ofs;
ofs.open(FILENAME, ios::out); //用输出的方式打开文件(写文件)
//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();
}
//初始化员工
void WorkerManager::init_Emp()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);
int id;
string name;
int dId;
int index = 0;
while (ifs >> id && ifs >> name && ifs >> dId)
{
Worker* worker = NULL;
if (dId == 1) //普通员工
{
worker = new Employee(id, name, dId);
}
else if (dId == 2) //经理
{
worker = new Manager(id, name, dId);
}
else //老板
{
worker = new Boss(id, name, dId);
}
this->m_EmpArray[index] = worker;
index++;
}
ifs.close();
}
//析构函数
WorkerManager::~WorkerManager()
{
if (this->m_EmpArray != NULL)
{
delete[]this->m_EmpArray;
this->m_EmpArray = NULL;
}
}
//展示菜单
void WorkerManager::Show_Menu()
{
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;
cout << endl;
}
//显示职工的成员函数
void WorkerManager::Show_Emp()
{
//判断文件是否为空
if (this->m_FileIsEmpty)
{
cout << "文件不存在或为空" << 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");
}
//删除职工
void WorkerManager::Del_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存在或记录为空" << endl;
}
else
{
//按照职工编号删除
cout << "请输入想要删除的职工编号:" << endl;
int id = 0;
cin >> id;
int index = this->Is_Exist(id);
if (index != -1) //说明职工存在并且要删除index位置的职工
{
//数据前移
for (int i = index; i < this->m_EmpNum - 1; i++)
{
this->m_EmpArray[i] = this->m_EmpArray[i + 1];
}
this->m_EmpNum--; //更新数组中记录的人员数量
//数据同步更新到文件中
this->save();
cout << "删除成功" << endl;
}
else
{
cout << "删除失败,未找到该职工" << endl;
}
}
//按任意键清屏
system("pause");
system("cls");
}
//修改职工
void WorkerManager::Mod_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存在或记录为空" << endl;
}
else
{
cout << "请输入想要修改的职工编号:" << endl;
int id;
cin >> id;
int ret = this->Is_Exist(id);
if (ret != -1)
{
delete this->m_EmpArray[ret];
int newId = 0;
string newName = "";
int dSelect = 0;
cout << "查到:" << id << "号职工,请输入新的职工编号:" << endl;
cin >> newId;
cout << "请输入新的姓名:" << endl;
cin >> newName;
cout << "请输入新的岗位:" << endl;
cout << "1、普通职工" << endl;
cout << "2、经理" << endl;
cout << "3、老板" << endl;
cin >> dSelect;
Worker* worker = NULL;
switch (dSelect)
{
case1:
worker = new Employee(newId, newName, dSelect);
break;
case2:
worker = new Manager(newId, newName, dSelect);
break;
case 3:
worker = new Boss(newId, newName, dSelect);
break;
default:
break;
}
//更改数据 到数组中
this->m_EmpArray[ret] = worker;
cout << "修改成功!" << endl;
//保存到文件中
this->save();
}
else
{
cout << "修改失败,查无此人" << endl;
}
}
//按任意键 清屏
system("pause");
system("cls");
}
//判断职工是否存在,如果存在返回所在数组中的下标,不存在则返回-1
int WorkerManager::Is_Exist(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;
}
//查找员工
void WorkerManager::Find_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件为空或记录为空" << endl;
}
else
{
cout << "请输入查找的方式:" << endl;
cout << "1、按职工编号查找" << endl;
cout << "2、按姓名查找" << endl;
int select = 0;
cin >> select;
if (select == 1) //按照编号查
{
int id;
cout << "请输入查找的职工编号:" << endl;
cin >> id;
int ret = this->Is_Exist(id);
if (ret != -1)
{
cout << "查找成功!该职工信息如下:" << endl;
this->m_EmpArray[ret]->showInfo();
}
else
{
cout << "查找失败,查无此人" << endl;
}
}
else if (select == 2) //按照姓名查
{
string name;
cout << "请输入查找的姓名:" << endl;
cin >> name;
bool flag = false; //查找到的标志
for (int i = 0; i < m_EmpNum; i++)
{
if (m_EmpArray[i]->m_Name == name)
{
cout << "查找成功,职工编号为:"
<< m_EmpArray[i]->m_Id
<< " 号的信息如下:" << endl;
flag = true;
this->m_EmpArray[i]->showInfo();
}
}
if (flag == false)
{
//查无此人
cout << "查找失败,查无此人" << endl;
}
}
else
{
cout << "输入选项有误" << endl;
}
}
system("pause");
system("cls");
}
//按照编号排序
void WorkerManager::Sort_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存在或记录为空!" << endl;
system("pause");
system("cls");
}
else
{
cout << "请选择排序方式: " << endl;
cout << "1、按职工号进行升序" << endl;
cout << "2、按职工号进行降序" << endl;
int select = 0;
cin >> select;
for (int i = 0; i < m_EmpNum; i++)
{
int minOrMax = i;
for (int j = i + 1; j < m_EmpNum; j++)
{
if (select == 1) //升序
{
if (m_EmpArray[minOrMax]->m_Id > m_EmpArray[j]->m_Id)
{
minOrMax = j;
}
}
else //降序
{
if (m_EmpArray[minOrMax]->m_Id < m_EmpArray[j]->m_Id)
{
minOrMax = j;
}
}
}
if (i != minOrMax)
{
Worker* temp = m_EmpArray[i];
m_EmpArray[i] = m_EmpArray[minOrMax];
m_EmpArray[minOrMax] = temp;
}
}
cout << "排序成功,排序后结果为:" << endl;
this->save();
this->Show_Emp();
}
}
//退出系统
void WorkerManager::ExitSystem()
{
cout << "欢迎下次使用" << endl;
system("pause");
exit(0);
}
void WorkerManager::Add_Emp()
{
cout << "请输入添加的职工的数量:" << endl;
int addNum = 0; //保存用户的输入数量
cin >> addNum;
if (addNum > 0)
{
//计算添加新空间的大小
int newSize = this->m_EmpNum + addNum;
//开辟新空间
Worker** newSpace = new Worker* [newSize];
//将原来空间的数据拷贝到新空间
if (this->m_EmpArray != NULL)
{
for (int i = 0; i < this->m_EmpNum; i++)
{
newSpace[i] = this->m_EmpArray[i];
}
}
//批量添加新数据
for (int i = 0; i < addNum; i++)
{
int id;
string name;
int dSelect;
cout << "请输入第 " << i + 1 << "个新职工编号:" << endl;
cin >> id;
cout << "请输入第 " << i + 1 << "个新职工姓名:" << endl;
cin >> name;
cout << "请选择该职工的岗位:" << endl;
cout << "1. 普通职工" << endl;
cout << "2. 经理" << endl;
cout << "3. 老板" << endl;
cin >> dSelect;
Worker* worker = NULL;
switch (dSelect)
{
case 1:
worker = new Employee(id, name, 1);
break;
case 2:
worker = new Manager(id, name, 2);
break;
case 3:
worker = new Boss(id, name, 3);
break;
default:
break;
}
//将创建的职工职责保存到数组中
newSpace[this->m_EmpNum + i] = worker;
}
//释放原有的空间
delete[] this->m_EmpArray;
//更改新空间的指向
this->m_EmpArray = newSpace;
//更新新的职工人数
this->m_EmpNum = newSize;
//更新职工不为空的标志
this->m_FileIsEmpty = false;
//提示添加成功
cout << "成功添加" << addNum << "名新职工!" << endl;
//保存数据到文件中
this->save();
}
else
{
cout << "输入的数据有误" << endl;
}
//按任意键后清屏回到上级目录
system("pause");
system("cls");
}
//清空文件
void WorkerManager::Clean_File()
{
cout << "确定清空吗?" << endl;
cout << "1.确定" << endl;
cout << "2.返回" << endl;
int select = 0;
cin >> select;
if (select == 1)
{
//清空文件
ofstream ofs(FILENAME, ios::trunc); //删除文件后重新创建
ofs.close();
if (this->m_EmpArray != NULL)
{
for (int i = 0; i < this->m_EmpNum; i++)
{
if (this->m_EmpArray[i] != NULL)
{
delete this->m_EmpArray[i];
}
}
this->m_EmpNum = 0;
delete[] this->m_EmpArray;
this->m_EmpArray = NULL;
this->m_FileIsEmpty = true;
}
cout << "清空成功" << endl;
}
system("pause");
system("cls");
}
职工管理系统.cpp
#include "WorkerManager.h"
#include "worker.h"
#include "employee.h"
#include "boss.h"
#include "manager.h"
#include <iostream>
using namespace std;
//void test01()
//{
// Worker* worker = NULL;
// worker = new Employee(1, "张三", 1);
// worker->showInfo();
// delete worker;
// worker = new Manager(2, "李四", 2);
// worker->showInfo();
// delete worker;
// worker = new Boss(3, "王五", 3);
// worker->showInfo();
// delete worker;
//}
int main()
{
//test01();
WorkerManager wm;
int choice = 0;
while (true)
{
wm.Show_Menu();
cout << "请输入你的选择:" << endl;
cin >> choice;
switch(choice)
{
case 0: //退出系统
wm.ExitSystem();
break;
case 1: //增加职工
wm.Add_Emp();
break;
case 2: //显示职工
wm.Show_Emp();
break;
case 3: //删除职工
wm.Del_Emp();
break;
case 4: //修改职工
wm.Mod_Emp();
break;
case 5: //查找职工
wm.Find_Emp();
break;
case 6: //排序职工
wm.Sort_Emp();
break;
case 7: //清空文档
wm.Clean_File();
break;
default:
system("cls"); //清屏
break;
}
}
system("pause");
return 0;
}