主模块(职工管理系统.cpp)
#include
using namespace std;
#include "workerManger.h"
#include "worker.h"
#include "employee.h"
#include "Boss.h"
#include "Manager.h"
int main()
{
//实例化一个管理者对象智汇代理申请
WorkerManger wm;
int choice = 0;
while (true)
{
//调用成员函数显示菜单
wm.Show_Menu();
cout << "请输入您的选择：" << endl;
cin >> choice;
switch (choice)
{
case 0://退出
wm.ExitSystem();
break;
case 1://增加
wm.Add_Emp();
break;
case 2://显示
wm.Show_Emp();
break;
case 3://删除
wm.Del_Emp();
break;
case 4://修改
wm.Mod_Emp();
break;
case 5://查找
wm.Find_Emp();
break;
case 6://排序
wm.Sort_Emp();
break;
case 7://清空
wm.Clean_File();
break;
default:
system("cls");//清屏
break;
}
}
system("pause");
return 0;
}
workerManger.h的文件：
#pragma once //防止头文件重复包含
#include
#include
#include "worker.h"
#include "employee.h"
#include "Boss.h"
#include "Manager.h"
#define FILENAME "empFile.txt"
using namespace std;
class WorkerManger
{
public:
//构造函数
WorkerManger();
//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();
//判断文件是否为空的标志
bool m_FileIsEmpty;
//统计文件中的人数
int get_EmpNum();
//初始化职工
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
int IsExist(int id);
//修改职工
void Mod_Emp();
//查找职工
void Find_Emp();
//按编号排序
void Sort_Emp();
//清空文件
void Clean_File();
//析构函数
~WorkerManger();
};
workerManger.cpp文件：
#include "workerManger.h"
WorkerManger::WorkerManger()
{
//1、文件不存在
ifstream ifs;
ifs.open(FILENAME, ios::in);
if (!ifs.is_open())
{
this->m_EmpNum = 0; //初始化记录人数
this->m_EmpArray = NULL; //初始化数组指针
this->m_FileIsEmpty = true; //初始化文件是否为空
ifs.close();
return;
}
//文件存在，数据为空
char ch;
ifs >> ch;
if (ifs.eof())
{
this->m_EmpNum = 0; //初始化记录人数
this->m_EmpArray = NULL; //初始化数组指针
this->m_FileIsEmpty = true; //初始化文件是否为空
ifs.close();
return;
}
//当文件存在并且记录有数据
int num = this->get_EmpNum();
this->m_EmpNum = num;
this->m_EmpArray = new Worker*[this->m_EmpNum];
this->init_Emp();
}
//展示菜单
void WorkerManger::Show_Menu()
{
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;
}
//添加职工
void WorkerManger::Add_Emp()
{
cout << "请输入添加的职工数量：" << 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; //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;
default:
break;
}
//将创建职工职责，保存到数组中
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;
//更新新的职工人数
this->m_EmpNum = newSize;
this->m_FileIsEmpty = false; //职工不为空
//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 << "输入有误!" << endl;
}
//按任意键后 清屏回到上级目录
system("pause");
system("cls");
}
//统计文件中的人数
int WorkerManger::get_EmpNum()
{
ifstream ifs;
ifs.open(FILENAME, ios::in); // 打开文件 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;
}
//退出系统
void WorkerManger::ExitSystem()
{
cout << "欢迎下次使用" << endl;
system("pause");
exit(0);//退出程序
}
//保存文件
void WorkerManger::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();
}
//初始化职工
void WorkerManger::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
{
worker = new Boss(id, name, dId);
}
this->m_EmpArray[index] = worker;
index++;
}
ifs.close();
}
//显示职工
void WorkerManger::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 < 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 WorkerManger::Del_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存在或者记录为空!" << endl;
}
else
{
//按照编号删除职工
cout << "请输入想要删除的职工编号：" << endl;
int id = 0;
cin >> id;
int index = this->IsExist(id);
if (index != -1) //职工存在，并且要删除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
//同步更新到文件
this->save();
cout << "删除成功!" << endl;
}
else
{
cout << "删除失败!未找到该职工!" << endl;
}
}
system("pause");
system("cls");
}
//判断职工是否存在
int WorkerManger::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;
}
//修改职工
void WorkerManger::Mod_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存在或记录为空!" << endl;
}
else
{
cout << "请输入要修改的职工编号：" << endl;
int id;
cin >> id;
int ret = this->IsExist(id);
if (ret != -1)//查找到职工
{
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;
}
//更新数据
this->m_EmpArray[ret] = worker;
cout << "修改成功!" << endl;
this->save(); //保存到文件
}
else
{
cout << "修改失败!查无此人!" << endl;
}
}
system("pause");
system("cls");
}
//查找职工
void WorkerManger::Find_Emp()
{
if (this->m_FileIsEmpty)
{
cout << "文件不存爱或者记录为空!" << endl;
}
else
{
cout << "请输入查找方式：" << endl;
cout << "1、按职工编号查找" << endl;
cout << "2、按职工姓名查找" << endl;
int select;
cin >> select;
if (select == 1)
{
//按编号
int id;
cout << "请输入查找的职工编号：" << endl;
cin >> id;
int ret = this->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)
{
//按姓名
string name;
cout << "请输入查找的姓名：";
cin >> name;
bool flag = false; //判断是否查到, 默认未找到
for (int i = 0; i < 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
<< "的职工信息如下：" << endl;
this->m_EmpArray[i]->showInfo();
flag = true;
}
}
if (flag == false)
{
cout << "查找失败!查无此人!" << endl;
}
}
else
{
cout << "输入的选项有误!" << endl;
}
}
system("pause");
system("cls");
}
//排序
void WorkerManger::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、按照职工编号升序排列" << endl;
cout << "2、按照职工编号降序排列" << endl;
int select;
cin >> select;
for (int i = 0; i < this->m_EmpNum; i++)
{
int MinOrMax = i;
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
{
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
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();//排序后结果保存到文件
this->Show_Emp();//展示所有职工
}
}
//清空文件
void WorkerManger::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)
{
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++)
{
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");
}
WorkerManger::~WorkerManger()
{
if (this->m_EmpArray != NULL)
{
delete[] this->m_EmpArray;
this->m_EmpArray = NULL;
}
}
worker.h文件：
#pragma once
#include
using namespace std;
#include
//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;
int m_ID; //职工编号
string m_Name; //职工姓名
int m_DeptID; //部门编号
};
employee.h文件：
//普通员工文件
#pragma once
#include
#include
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
void showInfo();
//获取岗位名称
string getDeptName();
};
employee.cpp文件：
#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");
}
Manager.h文件：
#pragma once
#include
#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();
};
Manager.cpp文件：
#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");
}
Boss.h文件：
#pragma once
#include
#include "worker.h"
using namespace std;
//经理类
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();
};
Boss.cpp文件：
#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("老板");
}
来源：51CTO
作者：专注地一哥
链接：https://blog.51cto.com/14511863/2476984