源文件 职工管理系统.cpp
#include<iostream>
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();
delete worker;
worker = new Manager(2, "李四", 2);
worker->showInfo();
delete worker;
worker = new Boss(3, "王五", 3);
worker->showInfo();
delete worker;*/
//实例化管理者对象
WorkerManager wm;
int choice = 0; //用来存储用户选项
while (true)
{
//调用展示菜单成员函数
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:
system("cls");
break;
}
}
system("pause");
return 0;
}
头文件 worker.h
#pragma once
#include<iostream>
using namespace std;
#include<string>
//职工抽象类
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;
};
头文件 employee.h
//普通员工文件
#pragma once
#include<iostream>
using namespace std;
#include"worker.h"
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() ; //virtual 关键字可删可不删
//获取岗位名称
virtual string getDeptName() ;
};
源文件 employee.cpp
#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");
}
头文件 manager.h
#pragma once
#include<iostream>
using namespace std;
#include"worker.h"
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();
};
源文件 manager.cpp
#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:完成老板的任务,并下发让任务给员工" << endl;
}
//获取岗位名称
string Manager::getDeptName()
{
return string("经理");
}
头文件 boss.h
#pragma once
#include<iostream>
using namespace std;
#include"worker.h"
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();
};
源文件 boss.cpp
#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:管理公司所有的事务" << endl;
}
//获取岗位名称
string Boss::getDeptName()
{
return string("总裁");
}
头文件 workerManager.h
#pragma once //防止头文件重复包含
#include<iostream> //包含输入输出流头文件
using namespace std; //使用标准的命名空间
#include"worker.h"
#include<fstream>
#define FILENAME "empFile.txt"
class WorkerManager
{
public:
//构造函数
WorkerManager();
//展示菜单
void show_Menu();
//退出系统
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
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
void Show_Emp();
//删除职工
void Del_Emp();
//判断职工是否存在 如果存在返回职工所在数组中的位置
int IsExist(int id);
//修改职工
void Mod_Emp();
//查找职工
void Find_Emp();
//按照编号排序
void Sort_Emp();
//清空文件
void Clean_File();
//析构函数
~WorkerManager();
};
源文件 workerManager.cpp
#include"workerManager.h"
#include"employee.h"
#include"manager.h"
#include"boss.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 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 << "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;
}*/
}
//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;
}
//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 << "请输入添加职工的数量" << endl;
int addNum = 0; //保存用户的输入数量
cin >> addNum;
if (addNum > 0)
{
//添加
//计算新空间大小
int newSize = this->m_EmpNum + addNum; //新空间人数 = 原来记录人数 + 新增人数
//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; //职工编号
string name; //职工姓名
int dSelect; //部门选择
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;
}
//将创建的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;
//更新职工人数
this->m_EmpNum = newSize;
//更新职工不为空
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
//将每个人数据写入到文件中
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();
}
//统计文件中的人数
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);
int id;
string name;
int dId;
int index = 0;
while (ifs >> id && ifs >> name && ifs >> dId)
{
Worker* worker = NULL;
if (dId == 1) //普通职工
{
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++;
}
//关闭文件
ifs.close();
}
//显示职工
void WorkerManager::Show_Emp()
{
//判断文件是否为空
if (this->m_FileIsEmpty)
{
cout << "文件不存在或者记录为空" << endl;
}
else
{
for (int i = 0; i < this->m_EmpNum; i++)
{
//利用多态程序调用接口
this->m_EmpArray[i]->showInfo();
}
}
//按任意键清屏
system("pause");
system("cls");
}
//删除职工
void WorkerManager::Del_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "记录为空或者文件不存在" << endl;
}
else
{
//按照职工的编号删除职工
cout << "请输入想要删除职工编号" << endl;
int id = 0;
cin >> id;
int index = this->IsExist(id);
if (index != -1) //说明职工存在并且要删除掉index位置上的职工
{
//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个数
//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");
}
//判断职工是否存在 如果存在返回职工所在数组中的位置,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)
{
//找到职工
index = i;
}
}
return index;
}
//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,请输入新的职工号:" << endl;
cin >> newId;
cout << "请输入新的姓名:" << 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;
}
//更新数据 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;
}
}
system("pause");
system("cls");
}
//查找职工
void WorkerManager::Find_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存在或者记录为空" << endl;
}
else
{
cout << "请输入查找的方式:" << endl;
cout << "1.按照职工的编号查找 " << endl;
cout << "2.按照职工的姓名查找 " << 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 = IsExist(id);
if (ret != -1)
{
//找到职工
cout << "查找成功 该职工的信息如下:" << 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 << "请输入要查找的姓名:" << endl;
cin >> name;
//加入判断是否查到的标志
bool flag = false; //默认未找到职工
for (int i = 0; i < this->m_EmpNum; i++)
{
if (this->m_EmpArray[i]->m_Name == name)
{
cout << "查找成功,职工编号为:"
<< this->m_EmpArray[i]->m_Id
<< " 职工信息如下" << endl;
flag = true;
//调用显示信息接口
this->m_EmpArray[i]->showInfo();
}
}
if (flag == false)
{
cout << "查找失败,查无此人" << endl;
}
}
else
{
cout << "输入有误!" << endl;
}
}
//按任意键清屏
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.按职工号进行升序排" << endl;
cout << "2.按职工好进行降序排" << endl;
int select = 0;
cin >> select;
for (int i = 0; i < this->m_EmpNum; i++)
{
int minOrMax = i; //声明最小值或者最大值的下标
for (int j = i + 1; j < this->m_EmpNum; j++)
{
if (select == 1)
{
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小值或最大值,如果不是交换数据
if (i != minOrMax)
{
Worker* temp = this->m_EmpArray[i];
this->m_EmpArray[i] = m_EmpArray[minOrMax];
m_EmpArray[minOrMax] = temp;
}
}
cout << "排序成功! 排序后的结果为:" << endl;
this->save(); //排序后的结果保存到文件
this->Show_Emp(); //展示所有职工
}
}
//清空文件
void WorkerManager::Clean_File()
{
cout << "确定清空?" << 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)
{
//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()
{
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;
}
}