自己之前写的一个职工管理系统

于 2022-04-10 20:44:27 发布
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文章标签： c++
版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
本文链接：https://blog.youkuaiyun.com/m0_63168183/article/details/124085433
版权
这是一个C++实现的职工管理系统，包括员工、经理、老板和老板娘四种角色。系统提供添加、删除、修改、查找、排序和清空等功能，可以按编号排序，并能保存和加载数据到文件。程序采用面向对象编程，实现了抽象基类Worker和多个派生类，以及一个WorkManager类来管理所有职工。

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#include <fstream>
#include <iostream>
#include <string>
#define FILENAME "empFile.txet"
using namespace std;
//--------------------------------------
class Worker
{
public:
    virtual void ShowInfo() = 0;
    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
};
//--------------------------------------
class Boss : public Worker
{
public:
    Boss(int id, string name, int dId);

    void ShowInfo(); //显示个人信息

    string getDeptName();
};
//--------------------------------------
class Employee : public Worker
{
public:
    Employee(int id, string name, int dId);

    void ShowInfo(); //显示个人信息

    string getDeptName();
};
//--------------------------------------
class Manager : public Worker
{
public:
    Manager(int id, string name, int dId);

    void ShowInfo(); //显示个人信息

    string getDeptName();
};
//--------------------------------------
class Bosswife : public Worker
{
public:
    Bosswife(int id, string name, int dId);

    void ShowInfo(); //显示个人信息

    string getDeptName();
};
//--------------------------------------
class WorkManager
{
public:
    WorkManager(); //构造函数

    ~WorkManager(); //析构函数

    void ShowMenu(); //展示菜单

    void ExitSystem(); //退出管理系统

    int m_EmpNum; //记录职工人数

    Worker **m_EmpArray; //职工数组指针

    void Add_Emp(); //添加员工

    void save(); //保存数据

    int m_FileIsEmpty;

    int get_EmpNum(); //获取职工人数

    void init_Emp(); //初始化

    void Show_Emp(); //显示职工

    int IsExist(string name); //判断是否存在

    void Del_Emp(); //删除员工

    void Mod_Emp(); //修改员工

    void Find_Emp(); //查找员工

    void Sort_Emp(); //按编号排序

    void Clean_File(); //清空
};
//--------------------------------------
//--------------------------------------
//--------------------------------------
//--------------------------------------
//--------------------------------------
//--------------------------------------
//--------------------------------------
void WorkManager::Clean_File()
{
    cout << "确认清空吗？ \n"
         << "1.确认 \n"
         << "2.取消 \n";
    int select;
    cin >> select;
    if (select == 1)
    {
        ofstream ofs(FILENAME, ios::trunc);
        ofs.close();
        if (this->m_EmpArray != NULL)
        {
            for (int i = 0; i < 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 = 0;
        }
        cout << "清空成功\n";
        this->save();
        system("pause");
        system("cls");
    }
    else
    {
        cout << "您取消了操作\n";
        system("pause");
        system("cls");
    }
}
void WorkManager::Sort_Emp()
{
    if (this->m_FileIsEmpty == 0)
    {
        cout << "文件为空或不存在\n";
        system("pause");
        system("cls");
    }
    else
    {
        cout << "请选择排序方式： \n"
             << "1.按职工号升序 \n"
             << "2.按职工号降序 \n";
        int select = 0;
        cin >> select;
        for (int i = 0; i < m_EmpNum; i++)
        {
            int min = i;
            if (select == 1)
            {
                for (int j = i; j < m_EmpNum; j++)
                {
                    if (m_EmpArray[min]->m_id > m_EmpArray[j]->m_id)
                    {
                        min = j;
                    }
                }
            }
            else
            {
                if (select == 2)
                {
                    for (int j = i; j < m_EmpNum; j++)
                    {
                        if (m_EmpArray[min]->m_id < m_EmpArray[j]->m_id)
                        {
                            min = j;
                        }
                    }
                }
            }
            if (i != min)
            {
                Worker *temp = m_EmpArray[i];
                m_EmpArray[i] = m_EmpArray[min];
                m_EmpArray[min] = temp;
            }
        }
        cout << "排序后的结果为：\n";
        for (int i = 0; i < this->m_EmpNum; i++)
        {
            this->m_EmpArray[i]->ShowInfo();
        }
        int choice = 0;

        cout << "是否要对排序后的结果保存？是的话输入1否则输入0\n";
        cin >> choice;
        if (choice == 1)
        {
            this->save();
            cout << "保存成功\n";
            system("pause");
            system("cls");
        }
        else
        {
            cout << "您取消了保存";
            system("pause");
            system("cls");
        }
    }
}
void WorkManager::Find_Emp()
{
    if (this->m_FileIsEmpty == 0)
    {
        cout << "文件为空或不存在\n";
        system("pause");
        system("cls");
    }
    else
    {
        string name;
        cout << "请输入要查找的职工姓名： ";
        cin >> name;
        int ret = this->IsExist(name);
        if (ret != -1)
        {
            this->m_EmpArray[ret]->ShowInfo();
        }
        else
        {
            cout << "查无此人\n";
        }
    }
    system("pause");
    system("cls");
}
void WorkManager::Mod_Emp()
{
    if (this->m_FileIsEmpty == 0)
    {
        cout << "文件为空或不存在\n";
        system("pause");
        system("cls");
    }
    else
    {
        cout << "请输入要修改的职工姓名： ";
        string name;
        cin >> name;
        int ret = this->IsExist(name);
        if (ret != -1)
        {

            int newid;
            int newselect;
            int newdid;
            cout << "请输入新的职工编号：\n";
            cin >> newid;
            cout << "请选择员工岗位" << endl;
            cout << "1.普通职工" << endl;
            cout << "2.经理" << endl;
            cout << "3.老板" << endl;
            cout << "4.老板娘" << endl;
            cin >> newselect;
            Worker *worker = NULL;
            switch (newselect)
            {
            case 1:
                delete this->m_EmpArray[ret];
                worker = new Employee(newid, name, 1);
                this->m_EmpArray[ret] = worker;
                cout << "修改成功\n";
                break;
            case 2:
                delete this->m_EmpArray[ret];
                worker = new Manager(newid, name, 2);
                this->m_EmpArray[ret] = worker;
                cout << "修改成功\n";
                break;
            case 3:
                cout << "想取代我当老板?做梦吧你";
                break;
            case 4:
                cout << "想修改老板娘?傻鸟玩意";
                break;
            default:
                break;
            }
            this->save();
        }
        else
        {
            cout << "修改失败，未找到该员工\n";
        }
    }
    system("pause");
    system("cls");
}
void WorkManager::Del_Emp()
{
    cout << "请输入想要删除的职工姓名: ";
    string name;
    cin >> name;
    int index = this->IsExist(name);
    if (index != -1)
    {
        if (this->m_EmpArray[index]->m_Deptid == 3)
        {
            cout << "傻鸟把老板删了还开你妈的公司\n";
        }

        if (this->m_EmpArray[index]->m_Deptid == 4)
        {
            cout << "傻鸟把老板娘删了还开你妈的公司\n";
        }
        else if (index != -1 && index != 0 && index != 1)
        {
            for (int i = index; i < this->m_EmpNum - 1; i++)
            {
                this->m_EmpArray[i] = this->m_EmpArray[i + 1];
            }
            this->m_EmpNum--;
            this->save();
            cout << "删除成功\n";
        }
    }
    else
    {
        cout << "删除失败，未找到该员工\n";
    }
    system("pause");
    system("cls");
}
int WorkManager::IsExist(string name)
{
    int index = -1;
    for (int i = 0; i < this->m_EmpNum; i++)
    {
        if (this->m_EmpArray[i]->m_name == name)
        {
            index = i;
            break;
        }
    }
    return index;
}
void WorkManager::Show_Emp()
{

    if (this->m_FileIsEmpty == 0)
    {
        cout << "文件为空或不存在\n";
        system("pause");
        system("cls");
    }
    else
    {
        for (int i = 0; i < this->m_EmpNum; i++)
        {
            this->m_EmpArray[i]->ShowInfo();
        }
        system("pause");
        system("cls");
    }
}
void WorkManager::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)
        {
            worker = new Employee(id, name, dId);
        }
        else if (dId == 2)
        {
            worker = new Manager(id, name, dId);
        }
        else if (dId == 3)
        {
            worker = new Boss(id, name, dId);
        }
        else if (dId == 4)
        {
            worker = new Bosswife(id, name, dId);
        }
        this->m_EmpArray[index] = worker;
        index++;
    }
    ifs.close();
}
int WorkManager::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)
    {
        num++;
    }
    ifs.close();
    return num;
}
//--------------------------------------
void WorkManager::save()
{
    ofstream ofs;
    ofs.open(FILENAME, ios::out);
    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 << " ";
    }
    ofs.close();
}
//--------------------------------------
WorkManager::WorkManager()
{
    ifstream ifs;
    ifs.open(FILENAME, ios::in);
    if (!ifs.is_open())
    {
        // cout << "文件不存在\n";
        this->m_EmpNum = 0;
        this->m_EmpArray = NULL;
        this->m_FileIsEmpty = 0;
        ifs.close();
        return;
    }
    char ch;
    ifs >> ch;
    if (ifs.eof())
    {
        // cout << "文件为空\n";
        this->m_EmpNum = 0;
        this->m_EmpArray = NULL;
        this->m_FileIsEmpty = 0;
        ifs.close();
        return;
    }
    this->m_FileIsEmpty = 1;
    this->m_EmpNum = this->get_EmpNum();
    // cout << "职工人数为" << this->get_EmpNum() << endl;
    this->m_EmpArray = new Worker *[this->m_EmpNum];
    this->init_Emp();
    return;
    /* for (int i = 0; i < this->m_EmpNum; i++)
     {
         cout << "职工编号: " << this->m_EmpArray[i]->m_id << " "
              << "职工姓名: " << this->m_EmpArray[i]->m_name << " "
              << "职工部门: " << this->m_EmpArray[i]->m_Deptid << endl;
     }*/
}
//--------------------------------------
void WorkManager::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)
    {
        //计算新添加空间大小
        int newSize = this->m_EmpNum + addNum;
        Worker **newspace = new Worker *[newSize];
        if (this->m_EmpArray != NULL)
        {
            for (int i = 0; i < this->m_EmpNum; i++)
            {
                newspace[i] = this->m_EmpArray[i];
            }
        }
        for (int i = 0; i < addNum; i++)
        {
            int id;
            string name;
            int dslect;
            cout << "请输入第 " << i + 1 << "个新员工编号" << endl;
            cin >> id;
            cout << "请输入第 " << i + 1 << "个新员工名字" << endl;
            cin >> name;
            cout << "请选择员工岗位" << endl;
            cout << "1.普通职工" << endl;
            cout << "2.经理" << endl;
            cout << "3.老板" << endl;
            cout << "4.老板娘" << endl;
            cin >> dslect;
            Worker *worker = NULL;
            switch (dslect)
            {
            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;
            case 4:
                worker = new Bosswife(id, name, 4);
                break;
            default:
                break;
            }
            newspace[this->m_EmpNum + i] = worker;
        }
        delete[] this->m_EmpArray;
        this->m_EmpArray = newspace;
        this->m_EmpNum = newSize;
        cout << "成功添加" << addNum << "名员工" << endl;
        this->save();
        m_FileIsEmpty = 1;
        system("pause");
        system("cls");
    }
    else
    {
        cout << "输入数据有误" << endl;
    }
}
//--------------------------------------
WorkManager::~WorkManager()
{
    if (this->m_EmpArray != NULL)
    {
        for (int i = 0; i < m_EmpNum; i++)
        {
            if (this->m_EmpArray[i] != NULL)
            {
                delete this->m_EmpArray[i];
            }
        }
        delete[] this->m_EmpArray;
        this->m_EmpArray = NULL;
    }
}
//--------------------------------------
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.清空所有文档************" << endl;
    cout << "*************************************" << endl;
    cout << endl;
}
//--------------------------------------
void WorkManager::ExitSystem()
{
    cout << "欢迎下次使用！" << endl;
    exit(0);
}
//--------------------------------------
Employee::Employee(int id, string name, int dId)
{
    this->m_id = id;
    this->m_name = name;
    this->m_Deptid = dId;
}
//--------------------------------------
void Employee::ShowInfo()
{
    cout << "职工编号： " << this->m_id;
    cout << " \t职工姓名： " << this->m_name;
    cout << " \t职工岗位： " << this->getDeptName();
    cout << "   岗位职责：完成经理交给的任务" << endl;
}
//--------------------------------------
string Employee::getDeptName()
{
    return "员工";
}
//--------------------------------------
Manager ::Manager(int id, string name, int dId)
{
    this->m_id = id;
    this->m_name = name;
    this->m_Deptid = dId;
}
//--------------------------------------
void Manager ::ShowInfo()
{
    cout << "职工编号： " << this->m_id;
    cout << " \t职工姓名： " << this->m_name;
    cout << " \t职工岗位： " << this->getDeptName();
    cout << "   岗位职责：完成老板交给的任务，下发任务给员工" << endl;
}
//--------------------------------------
string Manager ::getDeptName()
{
    return "经理";
}
//--------------------------------------
Boss ::Boss(int id, string name, int dId)
{
    this->m_id = id;
    this->m_name = name;
    this->m_Deptid = dId;
}
//--------------------------------------
void Boss ::ShowInfo()
{
    cout << "职工编号： " << this->m_id;
    cout << " \t职工姓名： " << this->m_name;
    cout << " \t职工岗位： " << this->getDeptName();
    cout << "   岗位职责：管理公司所有事务" << endl;
}
//--------------------------------------
string Boss ::getDeptName()
{
    return "老板";
}
//--------------------------------------
Bosswife ::Bosswife(int id, string name, int dId)
{
    this->m_id = id;
    this->m_name = name;
    this->m_Deptid = dId;
}
//--------------------------------------
void Bosswife ::ShowInfo()
{
    cout << "职工编号： " << this->m_id;
    cout << " \t职工姓名： " << this->m_name;
    cout << " \t职工岗位： " << this->getDeptName();
    cout << " 岗位职责：整天吃喝玩乐" << endl;
}
//--------------------------------------
string Bosswife ::getDeptName()
{
    return "老板娘";
}
//--------------------------------------
int main()
{

    WorkManager wm;
    int choice;
    while (1)
    {
        wm.ShowMenu();
        cout << "请输入你的选择： " << endl;
        cin >> choice;
        switch (choice)
        {
        case 0:
            wm.ExitSystem();
            break;
        case 1:
            wm.Add_Emp();
            break;
        case 2:
            wm.Show_Emp();
            break;
        case 3:
            wm.Del_Emp();
            break;
        case 4:
            wm.Mod_Emp();
            break;
        case 5:
            wm.Find_Emp();
            break;
        case 6:
            wm.Sort_Emp();
            break;
        case 7:
            wm.Clean_File();
            break;
        default:
            cout << "输入错误\n";
            system("cls");
            break;
        }
    }
    return 0;
}

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