基于多态的职工管理系统
作者：互联网
头文件
Boss.h
#pragma once
#include<iostream>
using namespace std;
#include"Worker.h"
class Boss:public Worker
{
public:
Boss(int id, string name, int dept_id);
//显示个人信息
virtual void ShowInfo();
virtual string GetDeptName();
};
Employee.h
#pragma once
#include<iostream>
using namespace std;
#include"Worker.h"
//员工类
class Employee :public Worker
{
public:
//构造函数
Employee(int id, string name, int dept_id);
//显示个人信息
virtual void ShowInfo();
//显示职工岗位名称
virtual string GetDeptName();
};
Manager.h
#pragma once
#include<iostream>
using namespace std;
#include"Worker.h"
class Manager :public Worker
{
public:
Manager(int id, string name, int dept_id);
virtual void ShowInfo();
virtual string GetDeptName();
};
Worker.h
#pragma once
#include<iostream>
using namespace std;
#include<string>
//抽象职工基类
class Worker
{
public:
//显示个人信息
virtual void ShowInfo() = 0;//纯虚函数，类内只做声明不做实现
//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;//职工所在部门编号
};
workManager.h
#pragma once//防止头文件重复包涵
#include<iostream>//包涵输入输出流的头文件
using namespace std;//使用标准命名空间
#include"Worker.h"
#include<fstream>
#define FILENAME "workfile.txt"
class WorkManager
{
public:
//构造函数
WorkManager();
//展示菜单
void showMenu();
//退出系统
void existSystem();
//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，添加标志
bool m_fileISEmpty;
//统计文件中的人数
int get_EmpNum();
//初始化员工
void init_Emp();
//显示职工函数
void Show_Emp();
//删除职工
void Del_Emp();
//判断职工是否存在，若存在则返回职工所在数组中，若不存在则返回-1
int IsExist_Emp(int id);
//修改职工信息
void Mod_Emp();
//查找员工函数
void Find_Emp();
//对职工号进行排序
void Sort_Emp();
//清空文件
void Clean_File();
//析构函数
~WorkManager();
};
源文件
Boss.cpp
#include"Boss.h"
Boss::Boss(int id, string name, int dept_name)
{
this->m_ID = id;
this->m_Name = name;
this->m_DeptID = dept_name;
}
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;
}
string Boss::GetDeptName()
{
return string("总裁");
}
Employee.cpp
#include"Employee.h"
Employee::Employee(int id, string name, int dept_id)
{
this->m_ID = id;
this->m_Name = name;
this->m_DeptID = dept_id;
}
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：完成经理交给完成的任务" << endl;
}
string Employee::GetDeptName()
{
return string("员工");
}
Manager.cpp
#include"Manager.h"
Manager::Manager(int id, string name, int dept_name)
{
this->m_ID = id;
this->m_Name = name;
this->m_DeptID = dept_name;
}
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，并下发任务给员工" << endl;
}
string Manager::GetDeptName()
{
return string("经理");
}
workManager.cpp
#include"workManger.h"
#include"Employee.h"
#include"Manager.h"
#include"Boss.h"
WorkManager::WorkManager()
{
//1.文件不存在
ifstream ifs;
ifs.open(FILENAME, ios::in);
if (!ifs.is_open())
{
cout << "文件不存在" << endl;
//初始化属性
//初始化职工人数为零
this->m_Empnum = 0;
//初始化数组指针为空
this->m_EmpArray = NULL;
//判断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;
//初始化属性
//初始化职工人数为零
this->m_Empnum = 0;
//初始化数组指针为空
this->m_EmpArray = NULL;
//判断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();
}
//展示菜单
void WorkManager::showMenu()
{
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.删除离职员工 **********" << 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.删除所有信息 **********" << endl;
cout << endl;
}
void WorkManager::existSystem()
{
cout << "欢迎下次使用！" << endl;
system("pause");
exit(0);
}
void WorkManager::add_Emp()
{
cout << "请输入加入职工数目：" << endl;
int addNum=0;//保存用户的输入数量
cin >> addNum;
if (addNum > 0)
{
//添加
int newSize = this->m_Empnum + addNum;//新空间人数=原来人数+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
if (this->m_EmpArray != NULL)
{
for (int i = 0; i < this->m_Empnum; i++)
{
newSpace[i] = 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 << "职工编号： " << endl;
cin >> id;
cout << "请输入第"<<i+1<<"职工姓名： " << endl;
cin >> name;
cout << "请选择该职工工作岗位： " << endl;
cout << "1.普通职工" << endl;
cout << "2.经理" << endl;
cout << "3.老板" << endl;
cin >> dSelect;
//创建不同的职工
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;
//更新新空间的人数
this->m_Empnum = newSize;
//更新职工不为空标志
this->m_fileISEmpty = false;
//提示添加成功
cout << "成功添加" << addNum << "名职工" << endl;
//保存数据到文件中
this->Save();
}
else
{
cout << "您输入的数据有误！" << endl;
}
}
//保存文件
void WorkManager::Save()
{
ofstream ofs;
ofs.open(FILENAME, ios::out);
//将每个人的数据写入到文件中
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 WorkManager::get_EmpNum()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);//打开文件----读
int id;
string name;
int dept_id;
int num = 0;
while (ifs >> id && ifs >> name && ifs >> dept_id)
{
//统计人数变量
num++;
}
return num;
}
//初始化员工
void WorkManager::init_Emp()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);
int id;
string name;
int dept_id;
int index = 0;
while (ifs >> id && ifs >> name && ifs >> dept_id)
{
Worker* worker = NULL;
//根据不同部门ID创建不同对象
if (dept_id == 1)
{
worker = new Employee(id, name, dept_id);
}
else if (dept_id == 2)
{
worker = new Manager(id, name, dept_id);
}
else if(dept_id == 3)
{
worker = new Boss(id, name, dept_id);
}
//存放在数组中
this->m_EmpArray[index] = worker;
index++;
}
ifs.close();//关闭文件
}
//显示职工函数
void WorkManager::Show_Emp()
{
if (this->m_fileISEmpty)
{
cout << "文件不存在或文件为空！" << endl;
}
else
{
for (int i = 0; i < this->m_Empnum; i++)
{
//利用多态调用窗口
this->m_EmpArray[i]->ShowInfo();
}
}
system("pause");
system("cls");
}
//删除职工
void WorkManager::Del_Emp()
{
if (this->m_fileISEmpty)
{
cout << "文件不存在或文件为空！" << endl;
}
else
{
//按职工编号删除职工
cout << "请输入想要删除的职工编号：" << endl;
int id;
cin >> id;
int index=this->IsExist_Emp(id);
if (index!=-1)
{
for (int i = 0; i < this->m_Empnum - 1; i++)
{
//数据前移
this->m_EmpArray[i] = this->m_EmpArray[i + 1];
}
this->m_Empnum--;//更新数组中成员个数
//同步更新到文件中
this->Save();
//提示用户删除成功
cout << "删除成功！" << endl;
}
else
{
cout << "删除失败，职工不存在！" << endl;
}
//按任意键清屏操作
system("pause");
system("cls");
}
}
//判断职工是否存在，若存在则返回职工所在数组中，若不存在则返回-1
int WorkManager::IsExist_Emp(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;
}
//修改职工信息
void WorkManager::Mod_Emp()
{
if (this->m_fileISEmpty)
{
cout << "文件不存在或记录为空！" << endl;
}
else
{
cout << "输入修改职工的编号：" << endl;
int id;
cin >> id;
int ret = this->IsExist_Emp(id);
if (ret!=- 1)
{
//查找到职工的编号
delete this->m_EmpArray[ret];
//创建新的职工信息
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");
}
//查找员工函数
void WorkManager::Find_Emp()
{
if (this->m_fileISEmpty)
{
cout << "文件不存在或记录为空" << endl;
}
else
{
cout << "请输入查找职工的方式：" << endl;
cout << "1.按职工编号查找 " << endl;
cout << "2.按职工姓名查找 " << endl;
int select = 0;
cin>>select;
if (select == 1)
{
//按职工号查找
int id;
cout << "请输入要查找的职工号：" << endl;
cin >> id;
int ret = this->IsExist_Emp(id);
if (ret != -1)
{
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)
{
//按职工姓名查找
string name;
cout << "请输入要查找的职工姓名：" << endl;
cin >> name;
bool flage = false;//查找到的标志
for (int i = 0; i < this->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;
flage = true;
this->m_EmpArray[i]->ShowInfo();
}
}
if (flage == 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");
}
//对职工号进行排序
void WorkManager::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 < 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)//升序排序
{
if (m_EmpArray[minOrMax]->m_ID > m_EmpArray[j]->m_ID)
{
minOrMax = j;
}
}
else//降序排序
{
if (m_EmpArray[minOrMax]->m_ID < m_EmpArray[j]->m_ID)
{
minOrMax = j;
}
}
}
if (minOrMax != i)
{
Worker* temp = m_EmpArray[i];
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中
this->Show_Emp();//展示所有职工
}
//清空文件
void WorkManager::Clean_File()
{
cout << "确认清空？" << endl;
cout << "确认清空----1" << endl;
cout << "取消清空----2" << endl;
int select = 0;
cin >> select;
if (select == 1)
{
//打开模式ios::trunc,如果存在先删除在创建
ofstream ofs;
ofs.open(FILENAME, ios::trunc);
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");
}
WorkManager::~WorkManager()
{
}
职工管理系统.cpp
#include<iostream>
using namespace std;
#include"workManger.h"
#include"Worker.h"
#include"Manager.h"
#include"Employee.h"
#include"Boss.h"
void test01()
{
Worker* worker = NULL;//创建worker空指针
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()
{
//测试代码
//test01();
//实例化管理者对象
WorkManager wm;
int choice = 0;
while (true)
{
//调用展示菜单的成员函数
wm.showMenu();
cin >> choice;
switch (choice)
{
case 0:wm.existSystem();//退出系统
break;
case 1:wm.add_Emp();//添加职工
break;
case 2:wm.Show_Emp();//显示职工
break;
case 3:wm.Del_Emp();//删除职工
break;
case 4:wm.Mod_Emp();//修改职工
break;
case 5:wm.Find_Emp();//查找职工
break;
case 6:wm.Sort_Emp();//排序职工
break;
case 7:wm.Clean_File();//清空文件
break;
}
system("cls");//清屏操作
}
system("pause");
return 0;
}
标签：职工,cout,管理系统,int,EmpArray,worker,多态,id,name 来源： https://www.cnblogs.com/zj4516/p/15141471.html