职工管理系统

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-#头文件

1.woker

#pragma once
#include <iostream>
using namespace std;
#include <string>

class Worker {
public:
    //个人信息
    virtual void getinfo() = 0;
    //岗位名
    virtual string depName() = 0;
    //职工id
    int w_id;
    //职工姓名
    string w_name;
    //部门编号
    int depid;
};

2.boss

#pragma once
#include <iostream>
using namespace std;
#include "woker.h"

class Boss :public Worker {
public:
    //构造函数
    Boss(int id, string name, int did);
    //个人信息
    virtual void getinfo();
    //岗位名
    virtual string depName();
};

3.employee

#include "woker.h"

class Employee :public Worker {
public:
    Employee(int id, string name, int did);
    virtual void getinfo();
    //岗位名
    virtual string depName();
};

4.manager

#pragma once
#include <iostream>
using namespace std;
#include "woker.h"

class Manager :public Worker {
public:
    //构造函数
    Manager(int id, string name, int did);
    //个人信息
    virtual void getinfo();
    //岗位名
    virtual string depName();
};

5.workerManager

#define _CRT_SECURE_NO_WARNINGS 1
#pragma once
#include <iostream>
using namespace std;
#include "woker.h"


class WorkerManager {
public:
    WorkerManager();
    //析构函数
    ~WorkerManager();
    void showMenu();
    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();
    
    //判断职工是否存在，存在返回位置
    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();
};

-#源文件

1.boss

#include "boss.h"

//构造函数
Boss::Boss(int id, string name, int did) {
    this->w_id = id;
    this->w_name = name;
    this->depid = did;
}
//个人信息
void Boss::getinfo() {
    cout << "职工编号：" << this->w_id
        << "\t职工姓名：" << this->w_name
        << "\t岗位：" << this->depName()
        << "\t岗位职责：管理公司所有事务" << endl;
}
//岗位名
string Boss::depName() {
    return string("老板");
}

2.employee

#include "employee.h"

Employee::Employee(int id, string name, int did){
    this->w_id = id;
    this->w_name = name;
    this->depid = did;
}

void Employee::getinfo(){
    cout << "职工编号：" << this->w_id
        << "\t职工姓名：" << this->w_name
        << "\t岗位：" << this->depName() 
        <<"\t岗位职责：完成经理交给的任务"<< endl;
}

string Employee::depName(){
    return string("员工");
}

3.manager

#include "manager.h"

//构造函数
Manager::Manager(int id, string name, int did) {
    this->w_id = id;
    this->w_name = name;
    this->depid = did;
}
//个人信息
void Manager::getinfo() {
    cout << "职工编号：" << this->w_id
        << "\t职工姓名：" << this->w_name
        << "\t岗位：" << this->depName()
        << "\t岗位职责：完成老板交给的任务，并且给员工下发任务" << endl;
}
//岗位名
string Manager::depName() {
    return string("经理");
}

4.workmanager

#include "workmanager.h"
#include "employee.h"
#include "boss.h"
#include "manager.h"
#include <fstream>
#define FILENAME "empFile.txt"

WorkerManager::WorkerManager() {
    //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
        this->m_EmpNum = 0;
        this->m_EmpArray = NULL;
        //初始化文件为空
        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
        this->m_EmpNum = 0;
        this->m_EmpArray = NULL;
        this->m_FileIsEmpty = true;
        ifs.close();
        return;
    }

    //3.文件存在，数据存在
    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();
    /*for (int i = 0; i < this->m_EmpNum; i++)
    {
        cout << "职工编号：" << this->m_EmpArray[i]->w_id
            << "姓名：" << this->m_EmpArray[i]->w_name
            << "部门编号：" << this->m_EmpArray[i]->depid << endl;
    }*/
    

}

void WorkerManager::Add_Emp(){
    cout << "请输入添加职工的数量：" << endl;
    int addNum = 0;
    cin >> addNum;
    if (addNum > 0)
    {
        //添加
        //计算添加空间的大小
        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; //部门
            cout << "请输入第" << i + 1 << "个职工编号:" << endl;
            cin >> id;
            cout << "请输入第" << i + 1 << "个职工姓名:" << endl;
            cin >> name;
            cout << "请选择第" << i + 1 << "个职工岗位:" << 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, dSelect);
                break;
            case2:
                worker = new Manager(id, name, dSelect);
                break;
            case 3:
                worker = new Boss(id, name, dSelect);
                break;
            default:
                break;
            }
            newSpace[m_EmpNum + i] = worker;
        }
        //释放原有的空间
        delete []this->m_EmpArray;
        //更改新空间指向
        this->m_EmpArray = newSpace;
        //更新一下新的职工人数
        this->m_EmpNum = newSize;
        //初始化文件
        this->m_FileIsEmpty = false;
        cout << "成功添加" << addNum << "人。" << endl;
        this->save();
    }
    else
    {
        cout << "输入有误" << endl;
    }
    system("pause");
    system("cls");
}



void WorkerManager:: 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.删除职工信息   ******" << 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;

}

void WorkerManager::exitSystem() {
    cout << "欢迎下次使用" << endl;
    system("pause");
    exit(0);
}

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]; 
                this->m_EmpArray[i] = NULL;
            }
        }
        delete[] this-> m_EmpArray;
        this->m_EmpArray = NULL;
    }
}

void WorkerManager::save() {
    ofstream ofs;
    ofs.open(FILENAME, ios::out); //输出方式打开，写入

    for (int i = 0; i < this->m_EmpNum; i++)
    {
        ofs << this->m_EmpArray[i]->w_id << " "
            << this->m_EmpArray[i]->w_name << " "
            << this->m_EmpArray[i]->depid << endl;
    }
}

int WorkerManager::get_EmpNum() {
    ifstream ifs;
    ifs.open(FILENAME, ios::in);
    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::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) {
            worker = new Manager(id, name, did);
        }
        else
        {
            worker = new Boss(id, name, did);
        }
        this->m_EmpArray[index] = worker;
        index++;
    }
    ifs.close();
}

void WorkerManager::Show_Emp() {
    //判断文件是否存在
    if (this->m_FileIsEmpty) {
        cout << "文件不存在或记录为空！" << endl;
    }
    else
    {
        for (int i = 0; i < this->m_EmpNum; i++)
        {
            this->m_EmpArray[i]->getinfo();

        }
    }
    //按任意键后清屏
    system("pause");
    system("cls");
}

int WorkerManager::IsExist(int id) {
    int index = -1;
    for (int i = 0; i < this->m_EmpNum; i++)
    {
        if (this->m_EmpArray[i]->w_id == id) {
            index = i;
            break;
        }
    }
    return index;
}


void WorkerManager::Del_Emp() {
    if (this->m_FileIsEmpty) {
        cout << "文件不存在或记录不存在" << 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->IsExist(id);
        if (index != -1) //职工存在
        {
            //数据前移
            for (int i = index; i < this->m_EmpNum; i++)
            {
                this->m_EmpArray[i] = this->m_EmpArray[i + 1];

            }
            this->m_EmpNum--; //更新人数
            this->save();
            cout << "删除成功！" << endl;
        }
        else
        {
            cout << "删除失败，未找到该职工信息！" << endl;

        }
    }
    system("pause");
    system("cls");
}


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) {
            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;
            }
            //更新数据到数组
            this->m_EmpArray[ret] = worker;
            cout << "修改成功！" << endl;
            this->save();
        }
        else
        {
            cout << "修改失败，查无此人！" << endl;
        }
    }
    system("pause");
    system("cls");
}

void WorkerManager::Find_Emp() {
    if (this->m_FileIsEmpty) {
        cout << "文件或记录不存在！" << endl;
    }
    else
    {
        cout << "请输入查找方式：" << 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)
        {//按照编号查找
            int id;
            cout << "请输入查找的职工编号：" << endl;
            cin >> id;
            int ret = this->IsExist(id);
            if (ret != -1) {
                cout << "查找成功！该职工信息如下：" << endl;
                this->m_EmpArray[ret]->getinfo();
            }
            else
            {
                cout << "查找失败，查无此人" << endl;
            }

        }
        else if (select==2)
        {//按照姓名查找
            string name;
            cout << "请输入查找的姓名：" << endl;
            cin >> name;
            //判断是否查到的标志
            bool flag = false;
            for (int i = 0; i < this->m_EmpNum; i++)
            {
                if (this->m_EmpArray[i]->w_name == name)
                {
                    cout << "查找成功，职工编号为："
                        << this->m_EmpArray[i]->w_id
                        << "号职工信息如下：" << endl;

                    flag = true;
                    this->m_EmpArray[i]->getinfo();
                    
                }
            }
            if (flag == false) {
                cout << "查找失败，查无此人！" << endl;
            }
        }
        else
        {
            cout << "输入有误！" << endl;
        }
    }
    system("pause");
    system("cls");
}

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、按照职工号进行升序" << endl;
        cout << "2、按照职工号进行降序" << endl;
        int select = 0;
        cin >> select;
        for (int i = 0; i <this->m_EmpNum; i++)
        {
            int minOrMax = i;//声明最小或最大值下标
            for (int j = i+1; j < this->m_EmpNum; j++)
            {
                if (select == 1) //升序
                {
                    if (this->m_EmpArray[minOrMax]->w_id>this->m_EmpArray[j]->w_id)
                    {
                        minOrMax = j;
                    }
                }
                else
                {//降序
                    if (this->m_EmpArray[minOrMax]->w_id < this->m_EmpArray[j]->w_id)
                    {
                        minOrMax = j;
                    }
                }
            }
            //交换元素
            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();
        this->Show_Emp();
    }
}

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)
    {
        ofstream ofs(FILENAME, ios::trunc); //删除文件后创建
        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_EmpArray[i] = NULL;
                }
            }
            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");
}

5.职工管理

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