c/c++开发分享基于C++实现职工管理系统实例为大家分享了c++实现职工管理系统的具体代码,供大家参考,具体内容如下
1、管理系统需求
职工管理系统可以用来管理公司内所有员工的信息
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,并下发任务给员工
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:
- 退出管理程序: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)
我们创建以下多个头文件和与其对应的 .cpp文件:
boss.h头文件
#pragma once #include <iostream> using namespace std; #include <string> #include "worker.h" //老板类 class boss :public worker { public: boss(int id, string name, int post); //显示个人信息 virtual void showinfo(); //获取岗位名称 virtual string getpost(); };
manager.h 头文件
class manager :public worker { public: manager(int id, string name, int post); //显示个人信息 virtual void showinfo(); //获取岗位名称 virtual string getpost(); };
employee.h头文件
class employee:public worker { public: employee(int id,string name,int post); //显示个人信息 virtual void showinfo(); //获取岗位名称 virtual string getpost(); };
worker.h头文件
//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 getpost() = 0; //职员编号 int m_id; //职工姓名 string m_name; //部门编号 int m_post; };
worker_manager.h头文件
#pragma once #include <iostream> using namespace std; #include "boss.h" #include "manager.h" #include "worker.h" #include "employee.h" #include <fstream> #define txt "empfine.txt" //各程序执行的类 class worker_manager { public: worker_manager(); //显示菜单 void showmenu(); //记录职工人数 int m_empnum; //职工指针数组 worker** m_emparray; //添加职工 void add_emp(); //保存文件 void save(); //判断文件是否为空 bool m_file; //统计文件中的人数 int get_empnum(); //初始化员工 void in_emp(); //显示员工 void show_emp(); //判断职工是否存在 int ison_emp(int id); //删除员工 void del_emp(); //修改员工 void mod_emp(); //查找员工 void find_emp(); //排序 void sort_emp(); //清空文件 void clean_file(); ~worker_manager(); };
boss.cpp文件
#include "boss.h" boss::boss(int id, string name, int post) { this->m_id = id; this->m_name = name; this->m_post = post; } //显示个人信息 void boss::showinfo() { cout << "职工编号:" << this->m_id << "t职工姓名:" << this->m_name << "t职工部门:" << this->getpost() << "t岗位职责:管理公司所有事务" << endl; } //获取岗位名称 string boss::getpost() { return string("老板"); }
manager.cpp文件
#include "manager.h" manager::manager(int id, string name, int post) { this->m_id = id; this->m_name = name; this->m_post = post; } //显示个人信息 void manager::showinfo() { cout << "职工编号:" << this->m_id << "t职工姓名:" << this->m_name << "t职工部门:" << this->getpost() << "t岗位职责:完成老板布置的任务,并下发任务给员工" << endl; } //获取岗位名称 string manager::getpost() { return string("经理"); }
employee.cpp文件
#include "employee.h" employee::employee(int id, string name, int post) { this->m_id = id; this->m_name = name; this->m_post = post; } //显示个人信息 void employee::showinfo() { cout << "职工编号:" << this->m_id << "t职工姓名:" << this->m_name << "t职工部门:" << this->getpost() << "t岗位职责:完成经理布置的任务" << endl; } //获取岗位名称 string employee::getpost() { return string("员工"); }
worker_manager.cpp文件
#include "worker_manager.h" worker_manager::worker_manager() { //1、文件不存在 ifstream ifs; ifs.open(txt, ios::in); if (!ifs.is_open()) { //cout << "文件不存在" << endl; //初始化属性 //初始化记录人数 this->m_empnum = 0; //初始化指针数组 this->m_emparray = null; //初始化文件是否为空 this->m_file = true; ifs.close(); return; } //2、文件存在,但为空 char ch; ifs >> ch; if (ifs.eof()) { //cout << "文件为空" << endl; //初始化属性 //初始化记录人数 this->m_empnum = 0; //初始化指针数组 this->m_emparray = null; //初始化文件是否为空 this->m_file = true; ifs.close(); return; } //3.文件存在且数据不为空 int num = this->get_empnum(); this->m_empnum = num; //开辟空间 this->m_emparray = new worker * [this->m_empnum]; //将文件中的数据,存到数组中 this->in_emp(); } void worker_manager::showmenu() { cout << "****************************************" << endl; cout << "******* 欢迎来到职工管理系统!******" << 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.职工编号排序 **********" << endl; cout << "********* 7.清空所有文档 **********" << endl; } void worker_manager::add_emp() { cout << "请输入要添加职工数量:" << endl; //保存用户的输入数量 int addnum = 0; cin >> addnum; if (addnum > 0) { //计算添加新空间的大小 int newsize = this->m_empnum + addnum;//新空间人数=原来的人数+新增加的人数 //开辟新空间 worker** newspace= new worker * [newsize]; //将原来的数据拷贝到新空间去 if (this->m_emparray != null) { for (int i = 0; i < this->m_empnum; i++) { newspace[i] = this->m_emparray[i]; } } //添加新数据 for (int i = 0; i < addnum; i++) { int id; string name; int post; cout << "请输入第 " << i + 1 << "个新职工的编号: " << endl; cin >> id; cout << "请输入第 " << i + 1 << "个新职工的姓名: " << endl; cin >> name; cout << "请选择职工岗位: " << endl; cout << "1、普通员工" << endl; cout << "2、经理" << endl; cout << "3、老板" << endl; cin >> post; worker* worker = null; switch (post) { case 1: worker = new employee(id, name, post); break; case 2: worker = new manager(id, name, post); break; case 3: worker = new boss(id, name, post); break; default: cout << "错误输入" << endl; break; } //将创建的职工指针,保存到数组中 newspace[this->m_empnum + i] = worker; } //释放原指针 delete[] this->m_emparray; //更改新空间的指向 this->m_emparray = newspace; //更新职工人数 this->m_empnum = newsize; cout << "成功添加" << addnum << "名新职工" << endl; this->m_file = false; //保存数据到文件中 this->save(); } else { cout << "输入有误" << endl; } system("pause"); system("cls"); } void worker_manager::save() { ofstream ofs; ofs.open(txt, 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_post<<" " << endl; } ofs.close(); } int worker_manager::get_empnum() { ifstream ifs; ifs.open(txt, ios::in); int id; string name; int post; int num = 0; while (ifs >> id && ifs >> name && ifs >> post) { num++; } return num; } void worker_manager::in_emp() { ifstream ifs; ifs.open(txt, ios::in); int id; string name; int post; int index = 0; while (ifs>>id && ifs>>name && ifs>>post) { worker* worker = null; if (post == 1) { worker = new employee(id, name, post);//普通员工 } else if (post == 2) { worker = new manager(id, name, post);//经理 } else { worker = new boss(id, name, post);//老板 } this->m_emparray[index] = worker; index++; } ifs.close(); } void worker_manager::show_emp() { if (this->m_file) { cout << "该文件不存在或为空" << endl; } else { for (int i = 0; i < this->m_empnum; i++) { //利用多态调用 this->m_emparray[i]->showinfo(); } } //清屏 system("pause"); system("cls"); } int worker_manager::ison_emp(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; } } return index; } void worker_manager::del_emp() { if (this->m_file) { cout << "该文件不存在或为空" << endl; } else { cout << "请输入你要删除员工的编号:" << endl; int id; cin >> id; int ret = this->ison_emp(id); //职工存在,且在index位置上 if (ret != -1) { for (int i = ret; i < this->m_empnum - 1; i++) { //数据前移 this->m_emparray[i] = this->m_emparray[i + 1]; } //更新人数 this->m_empnum--; cout << "删除成功" << endl; //同步到文件中 this->save(); } else { cout << "删除失败" << endl; } } system("pause"); system("cls"); } void worker_manager::mod_emp() { if (this->m_file) { cout << "该文件不存在或为空" << endl; } else { int id = 0; cout << "输入你要修改的员工编号:" << endl; cin >> id; int ret = this->ison_emp(id); if (ret != -1) { delete this->m_emparray[ret]; int newid = 0; string name=""; int post = 0; cout << "查到: " << id << "号员工,请输入新的员工编号: " << endl; cin >> newid; cout << "查到: " << id << "号员工,请输入新的员工姓名: " << endl; cin >> name; cout << "请输入新岗位" << endl; cout << "1、普通员工" << endl; cout << "2、经理" << endl; cout << "3、老板" << endl; cin >> post; worker* worker = null; switch (post) { case 1: worker = new employee(newid, name, post); break; case 2: worker = new manager(newid, name, post); break; case 3: worker = new boss(newid, name, post); break; default: break; } //将修改的数据放回原来位置 this->m_emparray[ret] = worker; cout << "修改成功" << endl; this->save(); } else { cout << "修改失败" << endl; } } system("pause"); system("cls"); } void worker_manager::find_emp() { if (this->m_file) { cout << "该文件不存在或为空" << endl; } else { cout << "请选择查找的方式" << endl; cout << "1、按编号查找" << endl; cout << "2、按姓名查找" << endl; int input = 0; cin >> input; if (input == 1) { //按编号查找 int id = 0; cout << "请输入你要查找的编号为:" << endl; cin >> id; int ret = this->ison_emp(id); if (ret != -1) { cout << "查找到此人信息 如下:" << endl; this->m_emparray[ret]->showinfo(); } else { cout << "查无此人" << endl; } } else if(input==2) { //按姓名查找 string name; cout << "请输入你要查找人的姓名: " << endl; cin >> name; bool flag = false; for (int i = 0; i < this->m_empnum; i++) { if (this->m_emparray[i]->m_name == name) { cout << "成功找到员工,员工编号为:" << this->m_emparray[i]->m_id << "此员工信息如下" << endl; this->m_emparray[i]->showinfo(); flag = true; } if (flag == false) { cout << "查无此人" << endl; } } } else { cout << "输入选项有误" << endl; } } system("pause"); system("cls"); } void worker_manager::sort_emp() { if (this->m_file) { cout << "该文件不存在或为空" << endl; system("pause"); system("cls"); } else { cout << "请选择排序方式" << endl; cout << "1、按职工号升序" << endl; cout << "2、按职工号降序" << endl; int input = 0; cin >> input; for (int i = 0; i < this->m_empnum; i++) { int minormax = i; for (int j = i + 1; j < this->m_empnum; j++) { if (input == 1) { if (this->m_emparray[minormax]->m_id > this->m_emparray[j]->m_id) { minormax = j; } } else { if (this->m_emparray[minormax]->m_id < this->m_emparray[j]->m_id) { minormax = j; } } } if (minormax != i) { worker* temp = this->m_emparray[i]; this->m_emparray[i] = this->m_emparray[minormax]; this->m_emparray[minormax] = temp; } } cout << "排序成功,排序结果为:" << endl; this->save(); this->show_emp(); } } void worker_manager::clean_file() { cout << "确定清空?" << endl; cout << "1、确定" << endl; cout << "2、取消" << endl; int input = 0; cout << "请输入: " << endl; cin >> input; if (input == 1) { ofstream ofs; ofs.open(txt, ios::trunc); ofs.close(); if (this->m_emparray != null) { //删除堆区所有职工对象 for (int i = 0; i < this->m_empnum; i++) { delete this->m_emparray[i]; this->m_emparray[i] = null; } //删除堆区指针 delete[] this->m_emparray; this->m_emparray = null; this->m_file = true; this->m_empnum = 0; } cout << "清空成功" << endl; } system("pause"); system("cls"); } worker_manager::~worker_manager() { 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; } }
职工管理系统.cpp文件
#include <iostream> using namespace std; #include <string> #include "worker_manager.h" #include "worker.h" #include "employee.h" #include "boss.h" #include "manager.h" int main() { //测试代码 //worker* worker = null; //worker = new employee(1, "张三", 1); //worker->showinfo(); //delete worker; // worker = new manager(2, "张三", 2); //worker->showinfo(); //delete worker; //worker = new boss(3, "张三", 3); //worker->showinfo(); //delete worker; //实例化对象 worker_manager wm; int input = 0; do { wm.showmenu(); cout << "请输入你的选择:" << endl; cin >> input; switch (input) { case 0: cout << "欢迎下次使用!" << endl; break; case 1: //增加职工 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.mod_emp(); break; case 5: //查找职工 wm.find_emp(); break; case 6: //排序职工 wm.sort_emp(); break; case 7: //清空文档 wm.clean_file(); break; default: system("cls"); //清屏 break; } } while (input); system("pause"); return 0; }
以上就是c/c++开发分享基于C++实现职工管理系统的全部内容,希望对大家的学习有所帮助,也希望大家多多支持<计算机技术网(www.ctvol.com)!!>。
需要了解更多c/c++开发分享基于C++实现职工管理系统,都可以关注C/C++技术分享栏目—计算机技术网(www.ctvol.com)!
本文来自网络收集,不代表计算机技术网立场,如涉及侵权请联系管理员删除。
ctvol管理联系方式QQ:251552304
本文章地址:https://www.ctvol.com/c-cdevelopment/1238109.html