管理系统需求
职工管理系统可以用来管理公司所有员工的信息
主要利用C++来实现一个基于多态的职工管理系统
公司中职工分为三类:普通员工、经理、老板,显示信息时,需要显示职工编号、职工姓名、职工岗位以及职责
普通员工职责:完成经理交给的任务
经理职责:完成老板交给的任务,并下发给员工
老板职责:管理公司所有事务
管理系统中需要实现的功能如下:
- 退出管理系统:退出当前管理系统
- 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
- 显示职工信息:显示公司内部所有职工的信息
- 删除离职职工:按照编号删除指定的职工
- 修改职工信息:按照编号修改职工个人信息
- 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
- 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
- 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,防止误删)
创建管理类
管理类负责的内容如下:
- 与用户的沟通菜单界面
- 对职工增删改查的操作
- 与文件的读写操作
创建文件
在头文件和源文件的文件夹中分别创建workerManager.h和workerManager.cpp文件
头文件实现
具体代码如下:
#pragma once
#include <iostream>
using namespace std;
class workerManager {
public:
workerManager();
~workerManager();
};
源文件实现
具体代码如下:
#include "workerManager.h"
workerManager::workerManager() {
}
workerManager::~workerManager() {
}
菜单功能
功能描述:与用户的沟通界面
添加成员函数
在管理类workerManager.h中添加成员函数void show_Menu();
具体代码如下:
**#pragma once
#include <iostream>
using namespace std;
class workerManager {
public:
workerManager();
void show_Menu();
~workerManager();
};
在管理类workerManager.cpp中实现成员函数void show_Menu();
整体代码如下:
#include "workerManager.h"
workerManager::workerManager() {
}
void workerManager::show_Menu() {
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.删除离职员工 *******" << endl;
cout << "******* 4.修改职工信息 *******" << endl;
cout << "******* 5.查找职工信息 *******" << endl;
cout << "******* 6.查找编号排序 *******" << endl;
cout << "******* 7.清空所有文档 *******" << endl;
cout << "******************************" << endl;
cout << endl;
}
workerManager::~workerManager() {
}
退出功能
提供功能接口
在main函数中提供分支选择,提供每个功能接口
在主文件中的整体代码如下
#include <iostream>
using namespace std;
#include "workerManager.h"
int main() {
workerManager wm;
int choice = 0;
while (true) {
wm.show_Menu();
cout << "输入你的选择" << endl;
cin >> choice;
switch (choice)
{
case 0:
break;
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
case 6:
break;
case 7:
break;
default:
system("cls");
break;
}
}
system("pause");
return 0;
}
实现退出功能
在workerManager.h中提供退出系统的成员函数void exitSystem();
在workerManager.cpp中实现该函数,具体代码如下
#include "workerManager.h"
workerManager::workerManager() {
}
void workerManager::show_Menu() {
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.删除离职员工 *******" << endl;
cout << "******* 4.修改职工信息 *******" << endl;
cout << "******* 5.查找职工信息 *******" << endl;
cout << "******* 6.查找编号排序 *******" << endl;
cout << "******* 7.清空所有文档 *******" << endl;
cout << "******************************" << endl;
cout << endl;
}
void workerManager::exitSystem() {
cout << "欢迎下次使用" << endl;
system("pause");
exit(0);
}
workerManager::~workerManager() {
}
创建职工类
创建职工抽象类
职工的分类为:普通员工、经理、老板
将三种职工抽象到一个类(worker)中,利用多态管理不同职工种类
职工的属性为:职工编号、职工姓名、职工所在部门编号
职工的行为为:岗位职责信息描述,获取岗位名称
头文件文件夹下,创建文件worker.h文件并且添加如下代码:
#pragma once
#include <iostream>
#include <string>
using namespace std;
class Worker {
public:
virtual void showInfo() = 0;
virtual string getDeptName() = 0;
int m_Id;
string m_Name;
int m_DeptId;
};
创建普通员工类
普通员工类继承职工抽象类,并重写父类中纯虚函数
在头文件和源文件的文件夹下分别创建employee.h和employee.cpp文件
employee.h中代码如下:
#pragma once
#include <iostream>
using namespace std;
#include "worker.h"
class Employee :public Worker {
public:
Employee(int id, string name, int dId);
virtual void showInfo();
virtual string getDeptName();
};
employee.cpp中代码如下:
#include "employee.h"
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
<< "\t职工姓名:" << this->m_Name
<< "\t岗位:" << this->getDeptName()
<< "\t岗位职责:完成经理交代的任务" << endl;
}
string Employee::getDeptName() {
return string("员工");
}
创建经理类
经理类继承职工抽象类,并重写父类中纯虚函数,和普通员工类似
在头文件和源文件的文件夹下分别创建manager.h和manager.cpp文件
manager.h中代码如下:
#pragma once
#include <iostream>
using namespace std;
#include "worker.h"
class Manager :public Worker {
public:
Manager(int id, string name, int dId);
virtual void showInfo();
virtual string getDeptName();
};
manager.cpp中代码如下:
#include "manager.h"
Manager::Manager(int id, string name, int dId) {
this->m_Name = name;
this->m_Id = id;
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:完成老板交代的任务,下发任务给员工" << endl;
}
string Manager::getDeptName() {
return string("经理");
}
创建老板类
老板类继承职工抽象类,并重写父类中纯虚函数,和普通员工类似
在头文件和源文件的文件夹下分别创建boss.h和boss.cpp文件
boss.h中代码如下:
#pragma once
#include <iostream>
using namespace std;
#include "worker.h"
class Boss :public Worker {
public:
Boss(int id, string name, int dId);
virtual void showInfo();
virtual string getDeptName();
};
boss.cpp中代码如下:
#include "boss.h"
Boss::Boss(int id, string name, int dId) {
this->m_DeptId = dId;
this->m_Id = id;
this->m_Name = 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("老板");
}
添加职工
功能描述:批量添加职工,并且保存到文件中
功能分析
分析:
用户在批量创建时,可能会创建不同种类的职工
如果想将不同种类的员工都放入到一个数组中,可以将所有员工的指针维护到一个数组里面
如果想在程序中维护这个不定长度的数组,可以将数组创建到堆区,并利用Worker**的指针维护
功能实现
在WorkerManager.h头文件中添加成员属性代码和add_Emp();
函数,具体代码如下
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
};
在WorkerManager.cpp中实现add_Emp();
函数
void workerManager::add_Emp() {
cout << "请输入增加职工数量:" << endl;
int addNum = 0;
cin >> addNum;
if (addNum > 0) {
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 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:
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;
}
newspace[this->m_EmpNum + i] = worker;
}
delete[] this->m_EmpArray;
this->m_EmpArray = newspace;
this->m_EmpNum = newSize;
cout << "成功添加" << addNum << "名新职工" << endl;
}
else {
cout << "输入有误" << endl;
}
system("pause");
system("cls");
}
文件交互——写文件
功能描述:对文件进行读写
在上一个添加功能中,只是将所有的数据添加到了内存中,一旦程序结束就无法保存了
因此文件管理类中需要一个与文件进行交互的功能,对于文件进行读写操作
设定文件路径
首先将文件路径,在workerManager.h中添加宏常量,并且包含头文件fstream,并在类中添加成员函数void save()
,此时文件代码如下:
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
};
保存文件功能实现
此时文件中代码如下:
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();
}
workerManager::~workerManager() {
}
文件交互——读文件
功能描述:将文件中的内容读取到程序中
虽然实现了添加职工后保存到文件的操作,但是每次开始运行程序,并没有将文件中数据读取到程序中
而应用程序中还有清空文件的需求,因此构造函数初始化数据的情况分为三种:
- 第一次使用,文件未创建
- 文件存在,但是数据被用户清空
- 文件存在,并且保存职工的所有数据
文件未创建
在workerManager.h中添加新的成员属性m_FileIsEmpty标志文件是否为空并修改WorkerManager.cpp中构造函数代码
workerManager.h的文件代码如下:
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
workerManager.cpp中代码如下:
workerManager::workerManager() {
ifstream ifs;
ifs.open(FILENAME, ios::in);
if (!ifs.is_open()) {
this->m_EmpNum = 0;
this->m_FileIsEmpty = true;
this->m_EmpArray = NULL;
ifs.close();
return;
}
}
文件存在且数据为空
在workerManager.cpp中构造函数追加代码,文件整体代码如下:
workerManager::workerManager() {
ifstream ifs;
ifs.open(FILENAME, ios::in);
if (!ifs.is_open()) {
this->m_EmpNum = 0;
this->m_FileIsEmpty = true;
this->m_EmpArray = NULL;
ifs.close();
return;
}
char ch;
ifs >> ch;
if (ifs.eof()) {
this->m_EmpNum = 0;
this->m_FileIsEmpty = true;
this->m_EmpArray = NULL;
ifs.close();
return;
}
}
文件存在且保存职工数据
获取记录的职工人数
在workerManager.h中添加成员函数int get_EmpNum();
,整体代码如下:
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
void get_EmpNum();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
在workerManager.cpp中实现该函数并在构造函数中追加代码
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) {
num++;
}
ifs.close();
return num;
}
初始化数组
根据职工的数据以及职工数据,初始化workerManager中的Worker** m_EmpArray指针
在WorkerManager.h中添加成员函数void init_Emp();
,整体代码如下:
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
int get_EmpNum();
void init_Emp();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
在workerManager.cpp中实现,整体代码如下:
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) {
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();
}
workerManager::~workerManager() {
}
显示职工
功能描述:显示当前所有职工信息
显示职工函数声明
在workerManger.h中添加成员函数void show_Emp();
,整体代码如下
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
int get_EmpNum();
void init_Emp();
void show_Emp();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
显示职工函数实现
在workerManger.cpp中实现成员函数void show_Emp();
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 < m_EmpNum; i++) {
this->m_EmpArray[i]->showInfo();
}
}
system("pause");
system("cls");
}
删除职工
功能描述:按照职工的编号进行删除职工操作
删除职工函数声明和职工是否存在声明
在workerManager.h中添加成员函数void del_Emp();
和成员是否存在函数int IsExist(int id);
,代码如下
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
int get_EmpNum();
void init_Emp();
void show_Emp();
void del_Emp();
int IsExist(int id);
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
职工是否存在函数以及删除职工函数实现
workerManger.cpp中代码整体如下
int workerManager::IsExist(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;
}
}
}
void workerManager::del_Emp() {
if (this->m_FileIsEmpty) {
cout << "文件不存在或记录为空" << endl;
}
else {
cout << "请输入想要删除的员工编号" << endl;
int id = 0;
cin >> id;
int index = this->IsExist(id);
if (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" << endl;
}
else {
cout << "删除失败,未找到该职工" << endl;
}
}
system("pause");
system("cls");
}
修改职工
功能描述:能够按照职工的编号对职工信息进行修改并保存
修改职工函数声明
在workerManager.h中添加成员函数void Mod_Emp();
,整体代码如下:
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
int get_EmpNum();
void init_Emp();
void show_Emp();
void del_Emp();
int IsExist(int id);
void Mod_Emp();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
修改职工函数实现
在workerManager.cpp中实现成员函数void Mod_Emp();
,整体代码如下:
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;
default:
break;
}
this->m_EmpArray[ret] = worker;
cout << "修改成功" << this->m_EmpArray[ret]->m_DeptId << endl;
this->save();
}
else {
cout << "修改失败,查无此人" << endl;
}
}
system("pause");
system("cls");
}
查找职工
功能描述:提供两种查找方式,一种按照职工编号,一种按照职工姓名
查找职工函数声明
在workerManager.h中添加成员函数void find_Emp();
查找职工函数实现
workerManager.cpp中整体代码如下:
void workerManager::Find_Emp() {
if (this->m_FileIsEmpty) {
cout << "文件不存在或为空" << endl;
}
else {
cout << "请输入查找的方式" << endl;
cout << "1.按职工编号查找" << endl;
cout << "2.按姓名查找" << endl;
int select = 0;
cin >> select;
if (select == 1) {
int id;
cout << "请输入查找的职工编号" << endl;
cin >> id;
int ret = IsExist(id);
if (ret != -1) {
cout << "查找成功,该职工信息如下" << endl;
this->m_EmpArray[ret]->showInfo();
}
else {
cout << "查找失败,查无此人" << endl;
}
}
else if (select == 2) {
string name;
cout << "请输入查找的姓名" << endl;
cin >> name;
bool flag = true;
for (int i = 0; i < 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;
flag = true;
this->m_EmpArray[i]->showInfo();
}
}
if (!flag) {
cout << "查找失败,查无此人" << endl;
}
}
else {
cout << "输入的选项有误" << endl;
}
}
system("pause");
system("cls");
}
排序
功能描述:按照职工编号进行排序,排序的顺序由用户指定
排序函数声明
在workerManager.h中添加成员函数void Sort_Emp();
排序函数实现
workerManager.cpp中代码如下
void workerManager::Sort_Emp() {
if (this->m_FileIsEmpty) {
cout << "文件不存在或为空" << endl;
system("pause");
system("cls");
}
else {
cout << "请选择排序方式" << endl;
cout << "1.按员工号进行升序" << 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) {
if (m_EmpArray[minOrMax]->m_Id > m_EmpArray[j]->m_Id) {
minOrMax = j;
}
}
else {
if (m_EmpArray[minOrMax]->m_Id < m_EmpArray[j]->m_Id) {
minOrMax = j;
}
}
}
if (i != minOrMax) {
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();
this->show_Emp();
}
}
清空文件
功能描述:将文件中记录数据清空
清空函数声明
在workerManager.h中添加成员函数void Clean_File();
清空函数实现
workerManage.cpp中代码如下:
void workerManager::Clean_File() {
cout << "是否清空" << endl;
cout << "1.确认" << endl;
cout << "2.返回" << endl;
int select = 0;
cin >> select;
if (select == 1) {
ofstream ofs(FILENAME, ios::trunc);
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");
}
整理
workerManager.h整体代码如下:
#pragma once
#include <iostream>
#include "worker.h"
using namespace std;
#include "employee.h"
#include "manager.h"
#include "boss.h"
#include <fstream>
#define FILENAME "empFile.txt"
class workerManager {
public:
workerManager();
void show_Menu();
void exitSystem();
void add_Emp();
void save();
int get_EmpNum();
void init_Emp();
void show_Emp();
void del_Emp();
int IsExist(int id);
void Mod_Emp();
void Find_Emp();
void Sort_Emp();
void Clean_File();
~workerManager();
int m_EmpNum;
Worker** m_EmpArray;
bool m_FileIsEmpty;
};
workerManager.cpp整体代码如下
#include "workerManager.h"
workerManager::workerManager() {
ifstream ifs;
ifs.open(FILENAME, ios::in);
if (!ifs.is_open()) {
this->m_EmpNum = 0;
this->m_FileIsEmpty = true;
this->m_EmpArray = NULL;
ifs.close();
return;
}
char ch;
ifs >> ch;
if (ifs.eof()) {
this->m_EmpNum = 0;
this->m_FileIsEmpty = true;
this->m_EmpArray = NULL;
ifs.close();
return;
}
int num = this->get_EmpNum();
this->m_EmpNum = num;
this->m_EmpArray = new Worker * [this->m_EmpNum];
this->init_Emp();
}
void workerManager::show_Menu() {
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.删除离职员工 *******" << endl;
cout << "******* 4.修改职工信息 *******" << endl;
cout << "******* 5.查找职工信息 *******" << endl;
cout << "******* 6.查找编号排序 *******" << endl;
cout << "******* 7.清空所有文档 *******" << endl;
cout << "******************************" << endl;
cout << endl;
}
void workerManager::exitSystem() {
cout << "欢迎下次使用" << endl;
system("pause");
exit(0);
}
void workerManager::add_Emp() {
cout << "请输入增加职工数量:" << endl;
int addNum = 0;
cin >> addNum;
if (addNum > 0) {
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 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:
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;
}
newspace[this->m_EmpNum + i] = worker;
}
delete[] this->m_EmpArray;
this->m_EmpArray = newspace;
this->m_EmpNum = newSize;
cout << "成功添加" << addNum << "名新职工" << endl;
this->save();
this->m_FileIsEmpty = false;
}
else {
cout << "输入有误" << endl;
}
system("pause");
system("cls");
}
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();
}
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) {
num++;
}
ifs.close();
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) {
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() {
if (this->m_FileIsEmpty) {
cout << "文件不存在或记录为空" << endl;
}
else {
for (int i = 0; i < m_EmpNum; i++) {
this->m_EmpArray[i]->showInfo();
}
}
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]->m_Id == id) {
index = i;
break;
}
}
}
void workerManager::del_Emp() {
if (this->m_FileIsEmpty) {
cout << "文件不存在或记录为空" << endl;
}
else {
cout << "请输入想要删除的员工编号" << endl;
int id = 0;
cin >> id;
int index = this->IsExist(id);
if (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" << endl;
}
else {
cout << "删除失败,未找到该职工" << 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;
default:
break;
}
this->m_EmpArray[ret] = worker;
cout << "修改成功" << this->m_EmpArray[ret]->m_DeptId << 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 << "文件不存在或为空" << endl;
}
else {
cout << "请输入查找的方式" << endl;
cout << "1.按职工编号查找" << endl;
cout << "2.按姓名查找" << endl;
int select = 0;
cin >> select;
if (select == 1) {
int id;
cout << "请输入查找的职工编号" << endl;
cin >> id;
int ret = IsExist(id);
if (ret != -1) {
cout << "查找成功,该职工信息如下" << endl;
this->m_EmpArray[ret]->showInfo();
}
else {
cout << "查找失败,查无此人" << endl;
}
}
else if (select == 2) {
string name;
cout << "请输入查找的姓名" << endl;
cin >> name;
bool flag = true;
for (int i = 0; i < 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;
flag = true;
this->m_EmpArray[i]->showInfo();
}
}
if (!flag) {
cout << "查找失败,查无此人" << endl;
}
}
else {
cout << "输入的选项有误" << endl;
}
}
system("pause");
system("cls");
}
void workerManager::Sort_Emp() {
if (this->m_FileIsEmpty) {
cout << "文件不存在或为空" << endl;
system("pause");
system("cls");
}
else {
cout << "请选择排序方式" << endl;
cout << "1.按员工号进行升序" << 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) {
if (m_EmpArray[minOrMax]->m_Id > m_EmpArray[j]->m_Id) {
minOrMax = j;
}
}
else {
if (m_EmpArray[minOrMax]->m_Id < m_EmpArray[j]->m_Id) {
minOrMax = j;
}
}
}
if (i != minOrMax) {
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();
this->show_Emp();
}
}
void workerManager::Clean_File() {
cout << "是否清空" << endl;
cout << "1.确认" << endl;
cout << "2.返回" << endl;
int select = 0;
cin >> select;
if (select == 1) {
ofstream ofs(FILENAME, ios::trunc);
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");
}
workerManager::~workerManager() {
}
职工管理系统.cpp的整体代码如下:
#include <iostream>
using namespace std;
#include "workerManager.h"
int main() {
workerManager wm;
int choice = 0;
while (true) {
wm.show_Menu();
cout << "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:
system("cls");
break;
}
}
system("pause");
return 0;
}