效果
添加
显示
删除
查找
排序(不演示了)
清空所有
头文件
员工类
#pragma once
#include <iostream>
#include <string>
using namespace std;
//职工抽象基类
class Worker
{
public:
//显示个人信息
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;
};
职员类
//普通员工文件
#pragma once
#include <iostream>
#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();
//获取岗位名称
virtual string getDeptName();
};
经理类
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
//经理类
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();
};
老板类
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
//老板类
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();
};
员工管理类
#pragma once
#include <iostream>
#include"worker.h"
#include"employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
using namespace std;
class WorkerManager
{
public:
//构造函数
WorkerManager();
//展示菜单
void Show_Menu();
//退出功能
void ExitSystem();
//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 标志
bool m_FileIsEmpty;
//统计文件中人数
int get_EmpNum();
//初始化员工
void init_Emp();
//显示职工
void Show_Emp();
//删除职工
void Del_Emp();
//按照职工编号判断职工是否存在,若存在返回职工在数组中位置,不存在返回-1
int IsExist(int id);
//修改职工
void Mod_Emp();
//查找职工
void Find_Emp();
//排序职工
void Sort_Emp();
//清空文件
void Clean_File();
//析构函数
~WorkerManager();
};
源文件
职员类
#include "employee.h"
//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");
}
经理类
#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,并且下发任务给员工" << endl;
}
//获取岗位名称
string Manager::getDeptName()
{
return string("经理");
}
老板类
#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:管理公司所有事物" << endl;
}
//获取岗位名称
string Boss::getDeptName()
{
return string("总裁");
}
员工管理类
#include "workerManager.h"
WorkerManager::WorkerManager()//构造函数
{
//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
this->m_FileIsEmpty = true;
ifs.close();
return;
}
//2、文件存在 数据为空
char ch;
ifs >> ch;
if (ifs.eof())
{
//文件为空
cout<<"文件为空!" << endl;
//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
this->m_FileIsEmpty = true;
ifs.close();
return;
}
//3、文件存在,并且记录数据
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 < m_EmpNum; i++)
//{
// cout << "职工号: " << this->m_EmpArray[i]->m_Id
// << " 职工姓名: " << this->m_EmpArray[i]->m_Name
// << " 部门编号: " << this->m_EmpArray[i]->m_DeptId << endl;
//}
}
void WorkerManager::Show_Menu()//展示菜单
{
cout<<"*****************************************" << endl;
cout<<"************欢迎使用职工管理系统*********"<< endl;
cout<<"**************0.退出管理系统*************" << 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;
}
//退出系统
void WorkerManager::ExitSystem()
{
cout << "欢迎下次使用" << endl;
system("pause");
exit(0);//退出程序
}
//添加职工
void WorkerManager::Add_Emp()
{
cout<<"请输入添加职工数量:" << endl;
int addNum = 0;//保存用户的输入数量
cin >> addNum;
if (addNum > 0)
{
//添加
//计算添加新空间大小
//新空间大小 = 原来记录人数+新增人数
int newSize = this->m_EmpNum + addNum;
//开辟新空间
Worker** newSpace = new Worker * [newSize];
//将原来空间下数据,拷贝到新空间下
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 << "请输入该职工的岗位:" << 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: //普通员工
worker = new Employee(id, name, 1);
break;
case 2: //经理
worker = new Manager(id, name, 2);
break;
case 3: //老板
worker = new Boss(id, name, 3);
break;
default:
break;
}
//将创建职工指针,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;
//更新职工不为空标志
this->m_FileIsEmpty = false;
//成功添加后 保存到文件中
//提示添加成功
cout<<"添加成功" <<addNum<<"名新职工!" << endl;
//保存数据到文件中
this->save();
}
else
{
cout << "输入数据有误" << endl;
}
//按任意键后,清屏回到上级目录
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 --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();
}
//统计文件中人数
int WorkerManager::get_EmpNum()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);//打开文件-读
int id;
string name;
int dId;
int num = 0;
while (ifs >> id && ifs >> name && ifs >> dId)
{
//统计人数变量
num++;
}
return num;
}
//初始化员工
void WorkerManager::init_Emp()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);//打开文件-读
int id;
string name;
int dId;
int index = 0;
while (ifs >> id && ifs >> name && ifs >> dId)
{
Worker* worker = NULL;
//根据不同的部门Id创建不同对象
if (dId == 1) // 1普通员工
{
worker = new Employee(id, name, dId);
}
else if (dId == 2) //2经理
{
worker = new Manager(id, name, dId);
}
else //总裁
{
worker = new Boss(id, name, dId);
}
//存放在数组中
this->m_EmpArray[index] = worker;
index++;
}
//关闭文件
ifs.close();
}
//显示职工
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++)
{
//利用多态调用接口
this->m_EmpArray[i]->showInfo();
}
}
system("pause");
system("cls");
}
//按照职工编号判断职工是否存在,若存在返回职工在数组中位置,不存在返回-1
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;
}
//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
{
//按职工编号删除
cout << "请输入想要删除的职工号:" << endl;
int id = 0;
cin >> id;
int index = this->IsExist(id);
if (index != -1) //说明index上位置数据需要删除
{
//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--;
this->save(); //删除后数据同步到文件中
cout << "删除成功!" << endl;
}
else
{
cout << "删除失败,未找到该职工" << endl;
}
}
system("pause");
system("cls");
}
//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 << "请输入修改职工的编号:" << endl;
int id;
cin >> id;
int ret = this->IsExist(id);
if (ret != -1)
{
//查找到编号的职工
delete this->m_EmpArray[ret];
int newId = 0;
string newName = "";
int dSelect = 0;
cout << "查到: " << id << "号职工,请输入新职工号: " << endl;
cin >> newId;
cout << "请输入新姓名: " << endl;
cin >> newName;
cout << "请输入岗位: " << 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(newId, newName, dSelect);
break;
case 2:
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");
}
//查找职工
void WorkerManager::Find_Emp()
{
if (this->m_FileIsEmpty)
{
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、按职工编号查找" << endl;
cout << "2、按姓名查找" << endl;
int select = 0;
cin >> select;
if (select == 1) //按职工号查找
{
int id;
cout << "请输入查找的职工编号:" << endl;
cin >> id;
int ret = IsExist(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) //按姓名查找
{
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");
}
//排序职工
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();
}
}
//清空文件
void WorkerManager::Clean_File()
{
cout << "确认清空?" << endl;
cout << "1、确认" << endl;
cout << "2、返回" << endl;
int select = 0;
cin >> select;
if (select == 1)
{
//清空文件
//打开模式 ios::trunc 如果存在删除文件并重新创建
ofstream ofs(FILENAME, ios::trunc);
ofs.close();
if (this->m_EmpArray != NULL)
{
//删除堆区的每个职工对象
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 << "清空成功!" << endl;
}
system("pause");
system("cls");
}
WorkerManager::~WorkerManager()//析构函数
{
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];
}
}
delete[] this->m_EmpArray;
this->m_EmpArray = NULL;
}
}
主函数
#include <iostream>
#include "workerManager.h"
using namespace std;
int main()
{
WorkerManager wm;
int choice = 0;//用来存储用户的选项
while (true)
{
//调用展示菜单的成员函数
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://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:
break;
}
}
system("pause");
return 0;
}