#pragma once
#include
#include
using namespace std;
class Worker {
public:
//显示个人信息
virtual void showInfo() = 0;
//显示岗位名称
virtual string getDName() = 0;
int m_id;
string m_name;
int m_dId;
};
Boss类(继承自职工抽象类)
#pragma once
#include
#include
#include"Worker.h"
using namespace std;
class Boss :public Worker {
public:
Boss(int id, string name, int dId);
void showInfo();
string getDName();
};
经理类(继承自职工抽象类)
#pragma once
#include
#include
#include"Worker.h"
using namespace std;
class Manger :public Worker {
public:
Manger(int id, string name, int dId);
void showInfo();
string getDName();
};
普通员工类(继承自职工抽象类)
#pragma once
#include
#include
#include"Worker.h"
using namespace std;
class Employee :public Worker {
public:
Employee(int id, string name, int dId);
void showInfo();
string getDName();
};
管理系统类(实现信息的增删查改,排序等等)
#pragma once //防止头文件重复包含
#include
#include"Worker.h"
using namespace std;
//只做声明, 不做实现
class WorkerManger {
public:
WorkerManger();
//展示菜单的函数
void showMenu();
//退出系统函数
void exitSystem();
//添加新员工
void addEmp();
//保存到txt文本中
void save();
//统计人数
int getEmNum();
//初始化员工
void initEmp();
//显示员工信息
void showWorker();
//删除职工
void delEmp();
//判断编号员工是否存在
int isExist(int num);
//修改员工信息
void modEmp();
//查找员工
void findEmp();
//排序
void sortEmp();
//清空文件
void cleanFile();
~WorkerManger();
//判断文件是否为空的标志,后面删除时需要用到
bool m_isEmpty;
int m_emNum;
Worker** m_emArray;
};
源文件
职工抽象类
#include"Worker.h"
void Worker::showInfo() {
}
string Worker::getDName() {
return string("None");
}
Boss类(继承自职工抽象类)
#include"Boss.h"
Boss::Boss(int id, string name, int dId) {
m_id = id;
m_name = name;
m_dId = dId;
}
void Boss::showInfo() {
cout << "职工编号:" << m_id;
cout << "\n职工姓名:" << m_name;
cout << "\n岗位:" << getDName();
cout << "\n岗位职责:啥也不用干,诶!就是玩儿" << endl;
cout << endl;
}
string Boss::getDName() {
return string("公司老板");
}
经理类(继承自职工抽象类)
#include"Manger.h"
Manger::Manger(int id, string name, int dId) {
m_id = id;
m_name = name;
m_dId = dId;
}
void Manger::showInfo() {
cout << "职工编号:" << m_id;
cout << "\n职工姓名:" << m_name;
cout << "\n岗位:" << getDName();
cout << "\n岗位职责:压榨底层打工人,帮老板端茶倒水" << endl;
cout << endl;
}
string Manger::getDName() {
return string("部门经理");
}
普通员工类(继承自职工抽象类)
#include"Employee.h"
Employee::Employee(int id, string name, int dId ) {
m_id = id;
m_name = name;
m_dId = dId;
}
void Employee::showInfo() {
cout << "职工编号:" << m_id;
cout << "\n职工姓名:" << m_name;
cout << "\n岗位:" << getDName();
cout << "\n岗位职责:帮经理端茶倒水" << endl;
cout << endl;
}
string Employee::getDName() {
return string("底层打工人");
}
管理系统类(实现信息的增删查改,排序等等)
#include
#include"WorkManger.h"
#include"Worker.h"
#include"Employee.h"
#include"Manger.h"
#include"Boss.h"
#define FILENAME "empFile.txt"
WorkerManger::WorkerManger() {
ifstream ifs;
ifs.open(FILENAME, ios::in);
//如果文件不存在则初始化各个参数(第一次使用系统)
if (!ifs.is_open()) {
cout << "文件不存在" << endl;
this->m_emNum = 0;
this->m_emArray = NULL;
this->m_isEmpty = true;
ifs.close();
return;
}
//如果文件存在,但是数据被清理过
char ch;
ifs >> ch;
if (ifs.eof()) {
cout << "数据被清理了" << endl;
this->m_emNum = 0;
this->m_emArray = NULL;
this->m_isEmpty = true;
ifs.close();
return;
}
//获取文件中的员工数量
getEmNum();
this->m_emArray = new Worker * [this->m_emNum];
initEmp();
this->m_isEmpty = false;
}
WorkerManger::~WorkerManger() {
if (m_emArray != NULL) {
delete[] m_emArray;
m_emArray = NULL;
}
}
void WorkerManger::save() {
ofstream ofs;
ofs.open(FILENAME, ios::out);
for (int i = 0; i < m_emNum; ++i) {
ofs << m_emArray[i]->m_id << " "
<< m_emArray[i]->m_name << " "
<< m_emArray[i]->m_dId << " ";
}
}
int WorkerManger::getEmNum() {
ifstream ifs;
ifs.open(FILENAME, ios::in);
int id;
string name;
int dId;
//统计分数
int num = 0;
//逐行读取
while (ifs >> id && ifs >> name && ifs >> dId) {
num++;
}
ifs.close();
this->m_emNum = num;
return num;
}
//如果文件存在且有数据的初始化函数
void WorkerManger::initEmp() {
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 Manger(id, name, dId);
else
worker = new Boss(id, name, dId);
this->m_emArray[index] = worker;
index++;
}
}
//显示员工信息
void WorkerManger::showWorker() {
//如果不为空
system("cls");
if (!m_isEmpty) {
string dName;
cout << "员工信息如下:" << endl;
for (int i = 0; i < this->m_emNum; ++i) {
this->m_emArray[i]->showInfo();
}
}
else {
cout << "还未录入员工信息!!!" << endl;
}
system("pause");
}
int WorkerManger::isExist(int num) {
for (int i = 0; i < this->m_emNum; ++i) {
//找到了员工
if (this->m_emArray[i]->m_id == num)
return i;
}
//否则返回-1
return -1;
}
//删除员工
void WorkerManger::delEmp() {
int index = -1;
int id;
if (getEmNum() == 0) {
cout << "还未录入员工信息!!!" << endl;
system("pause");
return;
}
cout << "请输入要删除员工的编号:";
cin >> id;
system("cls");
index = isExist(id);
if (index == -1) {
cout << "未找到该员工!!!" << endl;
}
else {
for (int i = index; i < this->m_emNum - 1; ++i) {
this->m_emArray[i] = this->m_emArray[i + 1];
}
this->m_emNum--;
this->save();
cout << "删除成功!!!" << endl;
}
system("pause");
}
void WorkerManger::modEmp() {
if (getEmNum() == 0)
{
cout << "还未录入员工信息!!" << endl;
system("pause");
return;
}
else {
int index = -1;
int id;
cout << "请输入要修改信息的员工的编号:" << endl;
cin >> id;
index = isExist(id);
if (index == -1) {
cout << "未找到该员工,请输入有效编号" << endl;
}
else {
int newId;
string newName;
int newDid;
Worker* newEm = NULL;
cout << "请输入员工的新编号:" << endl;
cin >> newId;
cout << "请输入员工的新姓名:" << endl;
cin >> newName;
cout << "1、底层打工人 2、部门经理 3、老板" << endl;
cout << "请输入员工的新职位(输入编号):" << endl;
cin >> newDid;
delete this->m_emArray[index];
if (newDid == 1) {
newEm = new Employee(newId, newName, newDid);
}
else if (newDid == 2) {
newEm = new Manger(newId, newName, newDid);
}
else {
newEm = new Boss(newId, newName, newDid);
}
this->m_emArray[index] = newEm;
this->save();
cout << "员工信息修改完成!!!" << endl;
}
system("pause");;
}
}
void WorkerManger::findEmp() {
if (getEmNum() == 0)
{
cout << "还未录入员工信息!!!" << endl;
system("pause");
return;
}
int id;
int doId;
int index = -1;
string name;
cout << "请输入查找方式(1、编号 2、姓名):" << endl;
cin >> doId;
if (doId == 1) {
cout << "请输入员工编号:" << endl;
cin >> id;
index = this->isExist(id);
if (index == -1) {
cout << "输入编号有误" << endl;
}
else
{
this->m_emArray[index]->showInfo();
}
}
else if (doId == 2) {
cout << "请输入员工姓名:" << endl;
cin >> name;
int flag = 1;
for (int i = 0; i < m_emNum; ++i) {
if (name == m_emArray[i]->m_name) {
flag = 0;
this->m_emArray[i]->showInfo();
cout << endl;
}
}
if (flag)
cout << "未找到该员工!!!!" << endl;
}
else {
cout << "输入有误!!!!" << endl;
return;
}
system("pause");
}
//按编号排序
void WorkerManger::sortEmp() {
if (getEmNum() == 0) {
cout << "还未录入员工信息" << endl;
system("pause");
return;
}
int opt = 1;
cout << "请输入排序方式(1、升序 2、降序):";
cin >> opt;
if (opt == 1) {
for (int i = 0; i < this->m_emNum - 1; ++i) {
for (int j = i + 1; j < this->m_emNum - 1; ++j) {
if (m_emArray[i]->m_id > m_emArray[j]->m_id) {
Worker* t = m_emArray[i];
m_emArray[i] = m_emArray[j];
m_emArray[j] = t;
}
}
}
}
else {
for (int i = 0; i < this->m_emNum - 1; ++i) {
for (int j = i + 1; j < this->m_emNum; ++j) {
if (m_emArray[i]->m_id < m_emArray[j]->m_id) {
Worker* t = m_emArray[i];
m_emArray[i] = m_emArray[j];
m_emArray[j] = t;
}
}
}
}
this->save();
cout << "排序完毕" << endl;
system("pause");
}
void WorkerManger::cleanFile() {
int opt = 2;
cout << "确认清空文件!!!!" << endl;
cout << "1、确认" << endl;
cout << "2、返回" << endl;
cin >> opt;
if (opt == 2)
return;
//ios::trunc如果文件存在,则删除重新创建
ofstream ofs(FILENAME, ios::trunc);
ofs.close();
if (this->m_emArray != NULL) {
for (int i = 0; i < this->m_emNum; ++i) {
if (this->m_emArray[i] != NULL)
delete this->m_emArray[i];
}
this->m_emNum = 0;
delete[] this->m_emArray;
this->m_emArray = NULL;
}
cout << "清除成功!!!" << endl;
system("pause");
}
void WorkerManger::showMenu() {
cout << "****************************************************" << endl;
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;
cout << endl;
}
void WorkerManger::exitSystem() {
cout << "欢迎您下次使用!!!" << endl;
system("pause");
exit(0);
}
//添加新员工
void WorkerManger::addEmp() {
int addNum = 0;
cout << "请输入要添加的员工的数量:" << endl;
cin >> addNum;
if(addNum > 0){
int newSize = addNum + m_emNum;
Worker** newArray = new Worker * [newSize];
if (m_emNum != 0) {
//先将原本的数据存入newArray里
for (int j = 0; j < m_emNum; ++j) {
newArray[j] = m_emArray[j];
}
//释放之前的空间
// delete[] this->m_emArray;
}
//输入员工信息
for (int i = 0; i < addNum; ++i) {
int t_id;
string t_name;
int t_dId;
Worker* t_emp = NULL;
cout << "请输入第" << i + 1 << "位员工的信息!!" << endl;
cout << "请输入编号:";
cin >> t_id;
cout << "请输入姓名:";
cin >> t_name;
cout << "1、底层打工人 2、经理 3、老板" << endl;
cout << "请选择岗位(输入数字):";
cin >> t_dId;
if (isExist(t_id) != -1) {
cout << "该员工编号重复,请重新录入" << endl;
system("pause");
--i;
continue;
}
//根据岗位new不同的worker类,
if (t_dId == 1)
t_emp = new Employee(t_id, t_name, t_dId);
else if (t_dId == 2)
t_emp = new Manger(t_id, t_name, t_dId);
else if (t_dId == 3)
t_emp = new Boss(t_id, t_name, t_dId);
else
{
cout << "非法输入!!!" << endl;
break;
}
//暂时存入newArray里
newArray[i + this->m_emNum] = t_emp;
}
delete[] this->m_emArray;
//得到新的指向
m_emArray = newArray;
//更新员工数量
m_emNum = newSize;
m_isEmpty = false;
cout << "员工信息录入完成!!!" << endl;
save();
system("pause");
}
else {
cout << "输入有误!!!" << endl;
system("pause");
}
}
主程序
#include
#include"WorkManger.h"
#include"Worker.h"
#include"Manger.h"
#include"Employee.h"
#include"Boss.h"
using namespace std;
int main() {
//实例化管理者对象
WorkerManger wm;
int choice = 0;
while (true) {
//调用展示菜单的成员函数
system("cls");
wm.showMenu();
cout << "请输入您的选择:" << endl;
cin >> choice;
switch (choice)
{
case 0: //退出系统
wm.exitSystem();
break;
case 1: //增加职工
wm.addEmp();
break;
case 2: //显示职工
wm.showWorker();
break;
case 3: //删除职工
wm.delEmp();
break;
case 4: //修改职工
wm.modEmp();
break;
case 5: //查找职工
wm.findEmp();
break;
case 6: //编号排序
wm.sortEmp();
break;
case 7: //清空数据
wm.cleanFile();
break;
default:
system("cls");
break;
}
}
system("pause");
return 0;
}
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