C++ 管理系统实战
1. 目录结构
2. workClass.h
cpp
/**
******************************************************************************
* @file : employee.h
* @author : zhong
* @brief : None
* @attention : None
* @date : 2023/8/10
******************************************************************************
*/
#include "workManager.h"
/*!
* 普通员工类
*/
class Employee : public Work{
public:
Employee(int id, string name, int dept){
this->m_Id = id;
this->m_Name = name;
this->m_DeptId = dept;
}
void showWorkerInfo() override {
cout << "职工编号： " << this->m_Id
<< "\t职工姓名： " << this->m_Name
<< "\t岗位信息： " << this->getDeptName()
<< "\t岗位职责： " << this->workInfo << endl;
}
string getDeptName() override {
return "总裁";
}
private:
string workInfo = "管理公司所有事务";
};
/*!
* 经理类
*/
class Manager : public Work{
public:
Manager(int id, string name, int dept){
this->m_Id = id;
this->m_Name = name;
this->m_DeptId = dept;
}
void showWorkerInfo() override {
cout << "职工编号： " << this->m_Id
<< "\t职工姓名： " << this->m_Name
<< "\t岗位信息： " << this->getDeptName()
<< "\t岗位职责: " << this->workInfo << endl;
}
string getDeptName() override {
return "经理";
}
private:
string workInfo = "管理员工";
};
/*!
* 老板类
*/
class Boos : public Work{
public:
Boos(int id, string name, int dept){
this->m_Id = id;
this->m_Name = name;
this->m_DeptId = dept;
}
void showWorkerInfo() override {
cout << "职工编号： " << this->m_Id
<< "\t职工姓名： " << this->m_Name
<< "\t岗位信息： " << this->getDeptName()
<< "\t岗位职责: " << this->workInfo << endl;
}
string getDeptName() override {
return "员工";
}
private:
string workInfo = "工作";
};3. workFunction.h
cpp
/**
******************************************************************************
* @file : workFunction.h
* @author : zhong
* @brief : None
* @attention : None
* @date : 2023/8/11
******************************************************************************
*/
#include "workManager.h"
#include "workClass.h"
#define FILEPATH "workManager/work.txt"
/*!
* 添加用户
*/
void WorkManager::addWorkInfo() {
cout << "请输入添加职工的数量： " << endl;
int addMuch = 0;
cin >> addMuch;
if(addMuch > 0){
// 添加 计算新空间的大小
int newSize = this->m_EmpNum + addMuch;
Work **newSpace = new Work * [newSize];
if (this->pWorkArray != NULL){
for (int i = 0; i < this->m_EmpNum; ++i) {
newSpace[i] = this->pWorkArray[i];
}
}
// 批量添加新数据
for (int i = 0; i < addMuch; ++i) {
int id; // 职工id
string name; // 职工姓名
int dSelect; // 职工部门
cout << "请输入第" << i+1 << "个员工职工的ID： " << endl;
cin >> id;
cout << "请输入第" << i+1 << "职工姓名： " << endl;
cin >> name;
cout << "请选择岗位职位： " << endl;
cout << "1、普通员工： " << endl;
cout << "2、经理： " << endl;
cout << "3、老板： " << endl;
cin >> dSelect;
Work *work = NULL;
switch (dSelect) {
case 1:
work = new Employee(id, name, 1);
break;
case 2:
work = new Manager(id, name, 2);
break;
case 3:
work = new Boos(id, name, 3);
break;
default:
cout << "输入有误！" << endl;
break;
}
newSpace[this->m_EmpNum + i] = work;
}
// 释放原有堆的空间
delete [] this->pWorkArray;
// 更改新空间的指向
this->pWorkArray = newSpace;
// 更新员工人数
this->m_EmpNum = newSize;
// 更新职工不为空
this->fileIsHave = false;
// 保存员工信息
WorkManager::saveFile();
// 提示添加成功
cout << "你已成功添加 " << addMuch << " 名职工！" << endl;
}else{
cout << "输入有误！" << endl;
}
// 按任意键清屏回到上级
system("pause");
system("cls");
}
/*!
* 读取员工信息
*/
void WorkManager::showWorkInfo() {
if(this->fileIsHave){
cout << "文件没有数据！" << endl;
return;
}
// 按照 ID 排序
for (int i = 0; i < this->m_EmpNum; ++i) {
for (int j = 0; j < i; ++j) {
Work *work = NULL;
// <" 升序 ">" 降序
if (this->pWorkArray[i]->m_Id < this->pWorkArray[j]->m_Id){
work = this->pWorkArray[i];
this->pWorkArray[i] = this->pWorkArray[j];
this->pWorkArray[j] = work;
}
}
}
// 输出排序后的内容
for (int i = 0; i < this->m_EmpNum; ++i) {
this->pWorkArray[i]->showWorkerInfo();
}
system("pause");
system("cls");
}
/*!
* 保存工信息
*/
void WorkManager::saveFile() {
ofstream ofs;
ofs.open(FILEPATH, ios::out);
if(!ofs.is_open()){
cout << "文件不存在或者文件为空！" << endl;
return ;
}
for (int i = 0; i < this->m_EmpNum; ++i) {
ofs << this->pWorkArray[i]->m_Id << " "
<< this->pWorkArray[i]->m_Name << " "
<< this->pWorkArray[i]->m_DeptId << endl;
}
ofs.close();
}
/*!
* 获取文件里员工个数
* @return 员工个数
*/
int WorkManager::getFileMenNum() {
ifstream ifs;
ifs.open(FILEPATH, ios::in);
int id;
string name;
int dept;
int count=0;
while (ifs >> id && ifs >> name && ifs >> dept){
count++;
}
ifs.close();
return count;
}
/*!
* 获取文件里的员工信息
*/
void WorkManager::getFileWork() {
ifstream ifs;
ifs.open(FILEPATH, ios::in);
int id;
string name;
int dept;
int count=0;
while (ifs >> id && ifs >> name && ifs >> dept){
Work *work = NULL;
if (dept == 1){
work = new Employee(id, name, dept);
}else if (dept == 2){
work = new Manager(id, name, dept);
}else{
work = new Boos(id, name, dept);
}
this->pWorkArray[count] = work;
count++;
}
ifs.close();
}
/*!
* 删除员工信息
*/
void WorkManager::deleteFileWork() {
cout << "请选择删除方式： \n 1.按编号删除\n 2.按姓名删除" << endl;
int choose;
cin >> choose;
bool status = true; // 判断 ID 或者 姓名 是否存在
if (choose == 1){
cout << "请输入员工编号： " << endl;
int id;
cin >> id;
for (int i = 0; i < this->m_EmpNum; i++) {
if (id == this->pWorkArray[i]->m_Id){
status = false;
}
if(!status){
// 数据前移
this->pWorkArray[i]=this->pWorkArray[i+1];
}
}
if(status) {
cout << "你输入的 ID 不存在！" << endl;
}
}else if (choose == 2){
cout << "请输入员工姓名： " << endl;
string name;
cin >> name;
for (int i = 0; i < this->m_EmpNum; ++i) {
if (name == this->pWorkArray[i]->m_Name){
status = false;
}
if(!status){
// 数据前移
this->pWorkArray[i]=this->pWorkArray[i+1];
}
}
if(status) {
cout << "你输入的姓名不存在！" << endl;
system("cls");
return;
}
}else{
cout << "你的选择有误，请重新选择！" << endl;
system("cls");
return;
}
if (!status){
this->pWorkArray[this->m_EmpNum-1] = NULL;
this->m_EmpNum--;
this->saveFile();
cout << "删除成功！" << endl;
system("pause");
system("cls");
}
}
/*!
* 更改员工信息
*/
void WorkManager::updateWorkInfo() {
if(this->fileIsHave) {
cout << "文件不存在或者为空！" << endl;
return;
}
int id;
cout << "请输入需要修改信息的 ID： " << endl;
cin >> id;
for (int i = 0; i < this->m_EmpNum; ++i) {
if(this->pWorkArray[i]->m_Id == id){
cout << "请输入需要修改的内容： \n 1.姓名\n 2.职业" << endl;
int choose;
cin >> choose;
switch (choose) {
case 1: {
cout << "请输入修改后的姓名： " << endl;
string name;
cin >> name;
pWorkArray[i]->m_Name = name;
cout << "修改成功！" << endl;
system("pause");
system("cls");
break;
}
case 2: {
cout << "请输入修改后的部门 ID： " << endl;
cout << "1、普通员工： " << endl;
cout << "2、经理： " << endl;
cout << "3、老板： " << endl;
int dept;
cin >> dept;
pWorkArray[i]->m_DeptId = dept;
cout << "修改成功！" << endl;
system("pause");
system("cls");
break;
}
default: {
cout << "选择错误！" << endl;
return;
}
}
}else{
cout << "未找到相关 ID 的信息" << endl;
return;
}
}
this->saveFile();
}
/*!
* 查找员工信息
*/
void WorkManager::findWorkInfo() {
int id;
cout << "请输入员工ID查询： " << endl;
cin >> id;
bool status = false;
for (int i = 0; i < this->m_EmpNum; ++i) {
if(this->pWorkArray[i]->m_Id == id){
this->pWorkArray[i]->showWorkerInfo();
status = true;
}
}
if(!status){
cout << "未查询到该 ID 信息" << endl;
system("pause");
system("cls");
}
}
/*!
* 按编号排序
*/
void WorkManager::sortWorkInfo() {
for (int i = 0; i < this->m_EmpNum; ++i) {
for (int j = 0; j < i; ++j) {
Work * work = NULL;
if(this->pWorkArray[i]->m_Id > this->pWorkArray[j]->m_Id){
work = this->pWorkArray[i];
this->pWorkArray[i] = this->pWorkArray[j];
this->pWorkArray[j] = work;
}
}
}
this->saveFile();
}
/*!
* 清空所有信息
*/
void WorkManager::deleteAllWorkInfo() {
int enterDelete = 0;
cout << "1.确认删除 \t其他任意键撤销" << endl;
cin >> enterDelete;
if(enterDelete == 1){
this->pWorkArray = NULL;
this->m_EmpNum = 0;
this->saveFile();
cout << "清空所有信息成功！" << endl;
delete [] this->pWorkArray;
this->fileIsHave = true;
}
}4. workManager.h
cpp
/**
******************************************************************************
* @file : workManager.h
* @author : zhong
* @brief : None
* @attention : None
* @date : 2023/8/10
******************************************************************************
*/
#include <bits/stdc++.h>
using namespace std;
class Work;
/*!
* 菜单实现
*/
class WorkManager {
public:
// 构造函数
WorkManager();
int m_EmpNum; // 记录职工人数
Work ** pWorkArray; // 职工数组指针
bool fileIsHave = false ; // 文件是否存在
//添加职工
void addWorkInfo();
// 读取文件
void readFile();
// 获取文件里员工人数
int getFileMenNum();
// 获取文件里的员工信息
void getFileWork();
// 删除员工信息
void deleteFileWork();
// 修改员工信息
void updateWorkInfo();
// 查找员工信息
void findWorkInfo();
// 按编号排序
void sortWorkInfo();
// 清空所有信息
void deleteAllWorkInfo();
// 保存文件
void saveFile();
// 显示员工信息
void showWorkInfo();
// 菜单
void showMenu();
// 退出系统
void exitSystem();
// 析构函数
~WorkManager();
};
/*!
* 员工类
*/
class Work {
public:
int m_Id; // 员工 ID
string m_Name; // 员工姓名
int m_DeptId; // 员工编号
/*！
* 显示个人信息
*/
virtual void showWorkerInfo() = 0;
/*!
* 获取岗位名称
* @return 岗位名称
*/
virtual string getDeptName() = 0;
};5. workManager.cpp
cpp
/**
******************************************************************************
* @file : workManager.cpp
* @author : zhong
* @brief : None
* @attention : None
* @date : 2023/8/10
******************************************************************************
*/
#include "workManager.h"
#include <bits/stdc++.h>
#include "workClass.h"
#include "workFunction.h"
#define FILEPATH "workManager/work.txt"
using namespace std;
/*!
* 构造函数实现
*/
WorkManager::WorkManager() {
// 初始化属性 文件不存在
ifstream ifs;
ifs.open(FILEPATH, ios::in);
if(!ifs.is_open()){
// cout << "文件不存在" << endl;
this->fileIsHave = true; // 文件初始化为不存在
this->m_EmpNum = 0; // 初始化职工细信息
this->pWorkArray = NULL; // 初始哈数组指针
ifs.close();
return;
}
// 初始化属性 文件存在但为空
char ch;
ifs >> ch;
if (ifs.eof()){
// cout << "文件为空" << endl;
this->fileIsHave = true; // 文件初始化为不存在
this->m_EmpNum = 0; // 初始化职工细信息
this->pWorkArray = NULL; // 初始哈数组指针
ifs.close();
return;
}
// 初始化属性 文件存在且有值
cout << this->getFileMenNum() << endl;
this->m_EmpNum = this->getFileMenNum();
// 开辟空间
this->pWorkArray = new Work *[this->m_EmpNum];
// 初始化所有员工信息
this->getFileWork();
}
/*!
* 退出系统
*/
void WorkManager::exitSystem() {
cout << "欢迎下次使用......" << endl;
system("pause");
exit(0);
}
/*!
* 析构函数实现 释放堆区数据
*/
WorkManager::~WorkManager() {
if(this->pWorkArray!=NULL){
delete[] this->pWorkArray;
this->pWorkArray = NULL;
}
}
/*!
* 显示菜单
*/
void WorkManager::showMenu() {
cout << "******************************************" << endl;
cout << "************欢迎使用职工管理系统**********" << endl;
cout << "************0.退出职工系统****************" << 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.清空所有信息****************" << endl;
cout << "******************************************" << endl;
}
void test() {
Work *work = NULL;
work = new Employee(1,"张三", 1);
work->showWorkerInfo();
delete work;
work = new Manager(2, "李四", 2);
work->showWorkerInfo();
delete work;
work = new Boos(3, "王五", 3);
work->showWorkerInfo();
delete work;
}
int main() {
WorkManager wm;
char choose = '0';
while (true) {
wm.showMenu();
cout << "请输入你的选择： " << endl;
cin >> choose;
switch (choose) {
case '0':
wm.exitSystem();
break;
case '1':
wm.addWorkInfo();
break;
case '2':
wm.showWorkInfo();
break;
case '3':
wm.deleteFileWork();
break;
case '4':
wm.updateWorkInfo();
break;
case '5':
wm.findWorkInfo();
break;
case '6':
wm.sortWorkInfo();
break;
case '7':
wm.deleteAllWorkInfo();
break;
default:
system("cls");
break;
}
}
system("pause");
return 0;
}