文件目录及界面

 

 CMakeLists.txt避免中文乱码配置。

# C的解决办法
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fexec-charset=GBK")
# C++ 的解决办法
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fexec-charset=GBK")

一、退出管理程序

退出当前管理系统；

二、增加职工信息

实现批量添加职工功能，将信息录入到文件中，职工信息为：职工编号、姓名、部门编号。

三、显示职工信息

显示公司内部所有职工的信息；

 四、删除离职职工

按照编号删除指定的职工；

 五、修改职工信息

按照编号修改职工个人信息；

 六、查找职工信息

按照职工的编号或者职工的姓名进行查找相关的人员信息

七、按照编号排序

按照职工编号，进行排序，排序规则由用户指定；

  八、清空所有文档

清空文件中记录的所有职工信息(清空前需要再次确认，防止勿删)

 

九、代码

main.cpp

#include <iostream>
#include "workerManager.h"
#include "worker.h"
#include "employee.h"
#include "manager.h"
#include "boss.h"

using namespace std;

void test() {
    Worker *worker = NULL;
    worker = new Employee(1, "zhangsan", 1);
    worker->ShowInfo();
    delete worker;

    worker = new Manager(2, "lisi", 2);
    worker->ShowInfo();
    delete worker;

    worker = new Boss(3, "wangwu", 2);
    worker->ShowInfo();
    delete worker;
};

int main() {
//    test();
//    实例化管理者对象
    WorkerManager wm;

    int choice;
    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;
        switch (choice) {
            case 0://退出系统
                wm.ExitSystem();
                break;
            case 1://添加职工
                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.ModEmp();
                break;
            case 5://查找职工
                wm.Find_Emp();
                break;
            case 6://排序职工
                wm.Sort_Emp();
                break;
            case 7://清空文件
                wm.Clean_File();
                break;
            default:
                system("cls");
                break;

        }
    }
    system("pause");
    return 0;
}

 workerManager.h

#pragma once //防止头文件重复包含

#include <iostream>
#include "worker.h"
#include <fstream>

#define FILENAME "empFile.txt"
using namespace std;

class WorkerManager {
public:
    //构造函数
    WorkerManager();

    //展示菜单
    void Show_Menu();

    //添加职工
    void Add_Emp();

    //保存文件
    void save();

    //删除职工
    void Del_Emp();

    //修改职工
    void ModEmp();

    //查找职工
    void Find_Emp();

    //排序职工
    void Sort_Emp();

    //清空文件
    void Clean_File();

    //按照职工编号判断职工是否存在，若存在返回职工在数组中位置，不存在返回-1
    int IsExist(int id);

    //退出程序
    void ExitSystem();

    //析构函数
    ~WorkerManager();

    //初始化员工
    void init_Emp();

    //显示职工
    void Show_Emp();

    //标志文件是否为控
    bool m_FileIsEmpty;

    //统计人数
    int get_EmpNum();

    //记录文件中人数个数
    int m_EmpNum;
    //员工数组的指针
    Worker **m_EmpArray;
};

workerManager.cpp

#include "workerManager.h"
#include "employee.h"
#include "manager.h"
#include "boss.h"


WorkerManager::WorkerManager() {
    ifstream ifs;
    ifs.open(FILENAME, ios::in);
    //1、文件不存在
    if (!ifs.is_open()) {
//        cout << "文件不存在" << endl;
        //    初始化人数
        this->m_EmpNum = 0;
        //初始化数组指针
        this->m_EmpArray = NULL;
        //初始化文件空标志
        this->m_FileIsEmpty = true;
        ifs.close();
        return;
    }
    //2、文件存在，并且没有记录
    char ch;
    ifs >> ch;
    if (ifs.eof()) {
//        cout << "文件为空！" << endl;
        //    初始化人数
        this->m_EmpNum = 0;
        //初始化数组指针
        this->m_EmpArray = NULL;
        //初始化文件空标志
        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];
    //读取数据
    this->init_Emp();
    this->m_FileIsEmpty = false;
//    for (int i = 0; i < this->m_EmpNum; ++i) {
//        cout << this->m_EmpArray[i]->m_Name << endl;
//    }
}

//删除职工
void WorkerManager::Del_Emp() {
    if (this->m_FileIsEmpty) {
        cout << "文件不存在或记录为空！" << endl;
    } else {
        //按照职工编号删除
        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) {
            cout << "删除失败，未找到职工：" << endl;
        } else {
            for (int i = index; i < this->m_EmpNum - 1; ++i) {
                //数据前移
                this->m_EmpArray[i] = this->m_EmpArray[i + 1];
            }
            //更新数组中记录人员个数
            this->m_EmpNum--;
            //数据同步更新到文件中
            this->save();
            cout << "删除成功！" << endl;
        }
    }
    system("pause");
    system("cls");
};

//修改职工
void WorkerManager::ModEmp() {
    if (this->m_FileIsEmpty) {
        cout << "文件不存在或记录为空！" << endl;
    } else {
        //按照职工编号删除
        cout << "请输入想要修改职工编号：" << endl;
        int id = 0;
        cin >> id;
        int index = this->IsExist(id);
        if (index == -1) {
            cout << "修改失败，未找到职工：" << endl;
        } else {
            //查找到编号的职工
            delete this->m_EmpArray[index];

            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 << "请输入姓名：" << endl;
            cin >> newName;
            cout << "请选择该职工的岗位：" << 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://普通员工
                    worker = new Employee(newId, newName, 1);
                    break;
                case 2://普通员工
                    worker = new Manager(newId, newName, 2);
                    break;
                case 3://普通员工
                    worker = new Boss(newId, newName, 3);
                    break;
                default:
                    break;
            }
            //更改数据到数组中
            this->m_EmpArray[index] = worker;
            cout << "修改成功" << this->m_EmpArray[index]->m_DeptId << endl;
            this->save();
        }
    }
    system("pause");
    system("cls");

};

//查找职工
void WorkerManager::Find_Emp() {
    if (this->m_FileIsEmpty) {
        cout << "文件不存在或记录为空!" << endl;
        return;
    }
    cout << "请输入查找的方式：" << endl;
    cout << "1、按照职工编号查找" << endl;
    cout << "2、按姓名查找" << endl;
    int findType = 0;
    cin >> findType;
    if (findType == 1) {
        cout << "请输入查找编号：" << endl;
        int id = 0;
        cin >> id;
        int index = this->IsExist(id);
        if (index != -1) {
            this->m_EmpArray[index]->ShowInfo();
        } else {
            cout << "查无此人" << endl;
        }
    } else if (findType == 2) {
        bool flag = false;
        string name;
        cout << "请输入姓名:" << endl;
        cin >> name;
        for (int i = 0; i < this->m_EmpNum; ++i) {
            if (this->m_EmpArray[i]->m_Name == name) {
                this->m_EmpArray[i]->ShowInfo();
                flag = true;
            }
        }
        if (!flag) {
            cout << "查无此人" << endl;
        }
    } else {
        cout << "输入有误" << endl;
    }
    system("pause");
    system("cls");
};

//排序职工
void WorkerManager::Sort_Emp() {
    if (this->m_FileIsEmpty) {
        cout << "文件不存在或记录为空" << endl;
    } else {
        cout << "请输入排序规则" << 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 < m_EmpNum; ++i) {
            int minOrMax = i;
            for (int j = i + 1; j < m_EmpNum; ++j) {

                if (select == 1) { //升序
                    if (m_EmpArray[minOrMax]->m_Id > m_EmpArray[j]->m_Id) {
                        minOrMax = j;
                    }
                } else { //降序
                    if (m_EmpArray[minOrMax]->m_Id < m_EmpArray[j]->m_Id) {
                        minOrMax = j;
                    }
                }
            }
            if (minOrMax != i) {
                //交换对象
                Worker *tem = m_EmpArray[i];
                m_EmpArray[i] = m_EmpArray[minOrMax];
                m_EmpArray[minOrMax] = tem;
            }
        }
        cout << "排序成功，排序后的接口为：" << endl;
        this->save();
        this->Show_Emp();
    }
    system("pause");
    system("cls");
};

//按照职工编号判断职工是否存在，若存在返回职工在数组中位置，不存在返回-1
int WorkerManager::IsExist(int id) {
    for (int i = 0; i < this->m_EmpNum; ++i) {
        if (this->m_EmpArray[i]->m_Id == id) {
            return i;
        }
    }
    return -1;
};

//显示职工
void WorkerManager::Show_Emp() {
    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]->ShowInfo();
        }
    }
    system("pause");
    system("cls");
}

//清空文件
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) {
        // ios::trunc 如果存在，删除文件并重新创建
        ofstream ofs(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");
};

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;
        //根据不同的部门ID创建不同对象
        switch (dId) {
            case 1://普通员工
                worker = new Employee(id, name, 1);
                break;
            case 2://普通员工
                worker = new Manager(id, name, 2);
                break;
            case 3://普通员工
                worker = new Boss(id, name, 3);
                break;
            default:
                break;
        }
        this->m_EmpArray[index] = worker;
        index++;
    }
    ifs.close();

}

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;
}

//添加职工
void WorkerManager::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) {
//        计算新空间大小
        int newSize = this->m_EmpNum + addNum;
//        开辟新空间
        Worker **newSpace = new Worker *[newSize];
//        将原空间下内容存放到新空间下
        if (this->m_EmpArray != NULL) {
            for (int i = 0; i < this->m_EmpNum; ++i) {
                newSpace[i] = this->m_EmpArray[i];
            }
        }
//        输入新数据
        for (int i = 0; i < addNum; ++i) {
            int id;
            string name;
            int dSelect;
            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 << "请选择该职工的岗位：" << 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://普通员工
                    worker = new Employee(id, name, 1);
                    break;
                case 2://普通员工
                    worker = new Manager(id, name, 2);
                    break;
                case 3://普通员工
                    worker = new Boss(id, name, 3);
                    break;
                default:
                    break;
            }
            newSpace[this->m_EmpNum + i] = worker;
        }
//        释放原有空间
        delete[] this->m_EmpArray;
//        更新新空间指向
        this->m_EmpArray = newSpace;
//更新个数
        this->m_EmpNum = newSize;
//提示信息
        cout << "成功添加" << addNum << "名新员工!" << endl;
//        更新职工不为空标志
        this->m_FileIsEmpty = false;
//        保存
        this->save();
    } else {
        cout << "输入数据有误" << endl;
    }
    system("pause");
    system("cls");
}

//统计人数
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) {
        //记录人数
        num++;
    }
    ifs.close();
    return num;
}

//保存文件
void WorkerManager::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 << endl;
    }
    ofs.close();
}

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

worker.h

#pragma once

#include <iostream>
#include <string>

using namespace std;

//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;//职工所在部门名称编号
};

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 dId);

//    显示个人信息
    virtual void ShowInfo();

// 获取岗位名称
    virtual string getDeptName();
};

employee.cpp

#include "employee.h"

Employee::Employee(int id, std::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
         << "\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;
}

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

manager.h

#pragma once

#include <iostream>

using namespace std;

#include "worker.h"

//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

#include "Manager.h"

Manager::Manager(int id, std::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
         << "\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，并下发给员工" << endl;
}

string Manager::getDeptName() {
    return string("经理");
}

boss.h

#pragma once

#include <iostream>

using namespace std;

#include "worker.h"

//老板类
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

#include "boss.h"

Boss::Boss(int id, std::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
         << "\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");
}