#include<iostream>
#include<vector>
#include<string>
#include<cstdlib>
#include<windows.h>
#include<iomanip>
#include<fstream>
#include <algorithm>
#define filename "student.txt"
using namespace std;?
class Person
{
public:
?? ?Person(string, string, int = 0);//構(gòu)造函數(shù)?
?? ?double virtual pay_salary() = 0; //借用虛函數(shù)進(jìn)行工資初始化?
?? ?void ?virtual show(); ?? ??? ?//顯示信息?
?? ?bool operator<(const Person*&) const;?? ?//重載<比較薪水大小用于排序?
?? ?static int num; //定義靜態(tài)變量，自動賦予員工編號?
?? ?int Number; ? //編號?
?? ?double Salary;//工資?
?? ?string Name;//姓名?
?? ?string Department;//部門?
?? ?int c;//技術(shù)級?
};
bool Person::operator<(const Person*& obj) const//函數(shù)重載<,用于比較薪水?
{
?? ?return this->Salary > obj->Salary;
}
Person::Person(string name1, string work1, int c1) //構(gòu)造函數(shù)的實(shí)現(xiàn)?
{
?? ?c = c1;
?? ?Number = num++;
?? ?Name = name1;
?? ?Department = work1;
}
int Person::num = 1;//編號從1開始?
void ?Person::show() {
?? ?cout<<"-----------------------------------"<<endl;
?? ?cout <<right<<setw(3)<<Number<<setw(10)<<Name<<setw(11)<<Department<<setw(8)<<Salary; //setw（）控制輸出寬度?
?? ?
}
class Manager :public Person //經(jīng)理類，繼承person類?
{
public:
?? ?Manager(string, string, int);//構(gòu)造函數(shù)?
?? ?double pay_salary();//計算工資函數(shù)?
?? ?void show();//顯示經(jīng)理的信息?
};
Manager::Manager(string name1, string post1, int c1) :Person(name1, post1, c1) //構(gòu)造函數(shù) 的實(shí)現(xiàn)?
{
?? ?pay_salary();
}
double Manager::pay_salary()//計算經(jīng)理的工資?
?{
?? ?Salary = 8000;
?? ?return Salary;
}
void Manager::show() //顯示經(jīng)理的信息?
{
?? ?cout<<"-----------------------------------"<<endl;
?? ?cout <<right<<setw(3)<<Number<<setw(10)<<Name<<setw(9)<<Department<<setw(10)<<Salary;?
}
class SaleManager :public Person//銷售經(jīng)理類，繼承person類?
?{
public:
?? ?SaleManager(string, string, int);//構(gòu)造函數(shù)?
?? ?double pay_salary();//計算銷售經(jīng)理的工資?
?? ?void show();//顯示銷售經(jīng)理的信息?
};
SaleManager::SaleManager(string name1, string post1, int c1) :Person(name1, post1, c1)//構(gòu)造函數(shù) 的實(shí)現(xiàn)?
?{
?? ?pay_salary();
}
double SaleManager::pay_salary() //計算經(jīng)理的工資，基本工資 1500元?
{
?? ?Salary = 1500;
?? ?return Salary;
}
void SaleManager::show() //顯示銷售經(jīng)理的信息?
{
?? ?cout<<"-----------------------------------"<<endl;
?? ?cout <<right<<setw(3)<<Number<<setw(10)<<Name<<setw(11)<<Department<<setw(8)<<Salary;?
}
class Salesman :public Person//銷售人員類，繼承Person類?
?{
public:
?? ?Salesman(string, string, int);//構(gòu)造函數(shù)?
?? ?int salevolume;//銷售額
?? ?double pay_salary();//計算銷售人員的工資?
?? ?void show();//顯示銷售人員的信息?
};
Salesman::Salesman(string name1, string post1, int sv) :Person(name1, post1, sv)//構(gòu)造函數(shù)的實(shí)現(xiàn)?
{
?? ?salevolume = sv;
?? ?pay_salary();
}
double Salesman::pay_salary()//計算銷售人員工資，4%×銷售額?
?{
?? ?Salary = 0.04 * salevolume;
?? ?return Salary;
}
void Salesman::show() //顯示銷售人員的信息?
{
?? ?cout<<"-----------------------------------"<<endl;
?? ?cout <<right<<setw(3)<<Number<<setw(10)<<Name<<setw(11)<<Department<<setw(8)<<Salary;?
}
class Technician :public Person //技術(shù)人員類，繼承Person類?
{
public:
?? ?Technician(string, string, int);//技術(shù)等級為繼承來的參數(shù)c?
?? ?double pay_salary();//計算技術(shù)人員的工資?
?? ?void show();//顯示技術(shù)人員的所有信息?
};
Technician::Technician(string name1, string post1, int rank1) :Person(name1, post1, rank1)?
{
?? ?pay_salary();
}
double Technician::pay_salary() //計算技術(shù)人員的工資，技術(shù)等級×300+1600?
{
?? ?Salary = 1600 + 300 * c;
?? ?return Salary;
}
void Technician::show()//顯示所有技術(shù)人員的信息?
?{
??? ?cout<<"-----------------------------------"<<endl;
?? ?cout <<right<<setw(3)<<Number<<setw(10)<<Name<<setw(11)<<Department<<setw(8)<<Salary;?
}
class Manage//管理類?
{
public:
?? ?void Menu() { salevolume = 0; }//菜單函數(shù)?
?? ?int salevolume;//總銷售額?
?? ?vector<Person*> Ma;//vector數(shù)組，存放Person類的對象指針?
?? ?void add(Person*);//添加人員信息?
?? ?void alter(string);//刪除人員信息?
?? ?void addtofile();//寫入文件?
?? ?void show();//顯示所有信息?
?? ?void show1();//按月薪降序?
?? ?Person* find(string&);//查找人員信息?
};
Person* Manage::find(string& name1) { //查找
?? ?for (vector<Person*>::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?if ((*iter)->Name == name1) {
?? ??? ??? ?return *iter;
?? ??? ?}
?? ?}
?? ?return NULL;
}
void Manage::alter(string name1) { //刪除
?? ?for (vector<Person*>::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?if ((*iter)->Name == name1) {
?? ??? ??? ?Ma.erase(iter);
?? ??? ??? ?return;
?? ??? ?}
?? ?}
?? ?cout << "查無此人" << endl;
}
void Manage::add(Person* people) //添加?
{
?? ?if (people->Department == "銷售人員") {
?? ??? ?salevolume += ((Salesman*)people)->salevolume;
?? ?}
?? ?Ma.push_back(people);
}
void Manage::addtofile()//寫入文件?
?{
?? ?ofstream outfile(filename);//打開文件寫入?
?? ?for (vector<Person*>::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?outfile << (*iter)->Department << " " << (*iter)->Name << " ";
?? ??? ?if ((*iter)->c == 0) outfile << endl;
?? ??? ?else outfile << (*iter)->c << endl;
?? ?}
?? ?outfile.close();//關(guān)閉?
}
bool cmp(Person* x, Person* y) { //比較薪水
?? ?return x->Salary > y->Salary;
}

void Manage::show() {
?? ?for (vector<Person*>::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?if ((*iter)->Department == "銷售經(jīng)理") {
?? ??? ??? ?(*iter)->Salary = salevolume * 0.002 +1500;
?? ??? ??? ?break;
?? ??? ?}
?? ?}
?? ?sort(Ma.begin(), Ma.end(), cmp);//薪水大小排序
?? ?for (vector<Person*>::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?(*iter)->show();
?? ??? ?cout << endl;
?? ?}
}
void readfile(Manage& obj)//讀取文件?
?{
?? ?FILE* fp;
?? ?fp = fopen(filename, "r");//打開文件，只讀?
?? ?if (fp == NULL) {
?? ??? ?cout << "未找到人員名單" << endl;
?? ??? ?return;
?? ?}
?? ?while (!feof(fp)) {
?? ??? ?char post[20];
?? ??? ?char Name[20];
?? ??? ?int c; ? //銷售額或技術(shù)等級
?? ??? ?fscanf(fp, "%s%s%d", post, Name,&c);
?? ??? ?if (!strcmp(post, "經(jīng)理")) { //文件中為經(jīng)理的人的信息先填入
?? ??? ??? ?Person* peo = new Manager(Name, post, 0);
?? ??? ??? ?obj.add(peo);
?? ??? ?}
?? ??? ?else if (!strcmp(post, "技術(shù)人員")) {
?? ??? ??? ?Person* peo = new Technician(Name, post, c);
?? ??? ??? ?obj.add(peo);
?? ??? ?}
?? ??? ?else if (!strcmp(post, "銷售人員")) {
?? ??? ??? ?Person* peo = new Salesman(Name, post, c);
?? ??? ??? ?obj.add(peo);
?? ??? ?}
?? ??? ?else if (!strcmp(post, "銷售經(jīng)理")) {
?? ??? ??? ?Person* peo = new SaleManager(Name, post, 0);
?? ??? ??? ?obj.add(peo);
?? ??? ?}
?? ?}
?? ?fclose(fp);//關(guān)閉文件?
}
void Manage::show1()//對vector數(shù)組進(jìn)行讀取?
{
?? ?for (vector<Person*>::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?(*iter)->show();
?? ??? ?cout << endl;
?? ?}
}
int main(){
?? ?int x;
?? ?Manage T;
?? ?readfile(T);
?? ?while(1){
? ? ? ? cout<< " ? ?———————————————————————————————" << endl
?? ??? ??? ?<< " ? ?| ? ? ? 公司人事管理系統(tǒng) ? ? ? ?|" << endl
?? ??? ??? ?<< " ? ?———————————————————————————————" << endl
?? ??? ??? ?<< " ? ?| ? ? ? ? 1.添加員工 ? ? ? ? ? |" << endl
?? ??? ??? ?<< " ? ?| ? ? ? ? 2.修改信息 ? ? ? ? ? |" << endl
?? ??? ??? ?<< " ? ?| ? ? ? ? 3.按姓名查找 ? ? ? ? |" << endl
?? ??? ??? ?<< " ? ?| ? ? ? ? 4.顯示所有信息 ? ? ? |" << endl
?? ??? ??? ?<< " ? ?| ? ? ? ? 5.按月薪降序排序 ? ? |" << endl
?? ??? ??? ?<< " ? ?| ? ? ? ? 0.保存并退出程序 ? ? |" << endl
?? ??? ??? ?<< " ? ?———————————————————————————————" << endl;?? ??? ?
?? ??? ?cout<< "請選擇->";
?? ??? ?cin >> x;
?? ??? ?switch (x) {
?? ??? ?case 1: {
?? ??? ??? ?while (1) {
?? ??? ??? ??? ?int n;
?? ??? ??? ??? ?string Name;
?? ??? ??? ??? ?cout << "請輸入姓名：" ;
?? ??? ??? ??? ?cin >> Name;
?? ??? ??? ??? ?cout << "請輸入人員崗位（1.經(jīng)理 2.技術(shù)人員 3. 銷售人員 4.銷售經(jīng)理）：" ;?
?? ??? ??? ??? ?cin >> n;
?? ??? ??? ??? ?if (n == 1) {
?? ??? ??? ??? ??? ?Person* peo = new Manager(Name, "經(jīng)理", 0);
?? ??? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ??? ?cout << "添加成功" << endl << endl << endl;
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ?}
?? ??? ??? ??? ?else if (n == 2) {
?? ??? ??? ??? ??? ?while (1) {
?? ??? ??? ??? ??? ??? ?int rank = 0;
?? ??? ??? ??? ??? ??? ?cout << "請輸入技術(shù)等級（1~8）：" ;
?? ??? ??? ??? ??? ??? ?cin >> rank;
?? ??? ??? ??? ??? ??? ?if (rank > 8 || rank < 1) {
?? ??? ??? ??? ??? ??? ??? ?cout << "輸入錯誤,請在1~8之間輸入：" ;
?? ??? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ??? ?else {
?? ??? ??? ??? ??? ??? ??? ?Person* peo = new Technician(Name, "技術(shù)人員", rank);
?? ??? ??? ??? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?cout << "添加成功" << endl << endl << endl;
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ?}
?? ??? ??? ??? ?else if (n == 3) {
?? ??? ??? ??? ??? ?int sales = 0;
?? ??? ??? ??? ??? ?cout << "請輸入銷售額：" << endl;
?? ??? ??? ??? ??? ?cin >> sales;
?? ??? ??? ??? ??? ?Person* peo = new Salesman(Name, "銷售人員", sales);
?? ??? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ??? ?cout << "添加成功" << endl << endl << endl;
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ?}
?? ??? ??? ??? ?else if (n == 4) {
?? ??? ??? ??? ??? ?Person* peo = new SaleManager(Name, "銷售經(jīng)理", 0);
?? ??? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ??? ?cout << "添加成功" << endl << endl << endl;
?? ??? ??? ??? ??? ?break;
?? ??? ??? ??? ?}
?? ??? ??? ??? ?else {
?? ??? ??? ??? ??? ?cout << "輸入錯誤,請重新輸入:" << endl;
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ? system("pause");}
?? ??? ??? ??? ?break;
?? ??? ?case 2: {
?? ??? ??? ?string Name;
?? ??? ??? ?int n = 0;
?? ??? ??? ?cout << "請輸入姓名：" ;
?? ??? ??? ?cin >> Name;
?? ??? ??? ?Person* peo = T.find(Name);
?? ??? ??? ?if (peo == NULL) {
?? ??? ??? ??? ?cout << "?? ??? ?查無此人" << endl << endl << endl;
?? ??? ??? ??? ?break;
?? ??? ??? ?}
?? ??? ??? ?peo->show();
?? ??? ??? ?if (peo->Department == "經(jīng)理") {
?? ??? ??? ??? ?cout << " ? ?經(jīng)理無法修改" << endl;
?? ??? ??? ?}
?? ??? ??? ?else if (peo->Department == "技術(shù)人員") {
?? ??? ??? ??? ?int rank = 0;
?? ??? ??? ??? ?while (1) {
?? ??? ??? ??? ??? ?cout <<endl<< "請輸入技術(shù)等級（1~8）：" << endl;
?? ??? ??? ??? ??? ?cin >> rank;
?? ??? ??? ??? ??? ?if (rank > 8 || rank < 1) {
?? ??? ??? ??? ??? ??? ?cout << "等級輸入錯誤，請重新輸入" << endl;
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ??? ?else break;
?? ??? ??? ??? ?}
?? ??? ??? ??? ?T.alter(Name);
?? ??? ??? ??? ?peo = new Technician(Name, "技術(shù)人員", rank);
?? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ?cout << "修改成功！" << endl;
?? ??? ??? ??? ?
?? ??? ??? ?}
?? ??? ??? ?else if (peo->Department == "銷售人員") {
?? ??? ??? ??? ?int sales = 0;
?? ??? ??? ??? ?cout <<endl<< "請輸入銷售額：" << endl;
?? ??? ??? ??? ?cin >> sales;
?? ??? ??? ??? ?T.alter(Name);
?? ??? ??? ??? ?peo = new Salesman(Name, "銷售人員", sales);
?? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ?cout << "?? ?修改成功！" << endl;
?? ??? ??? ??? ?
?? ??? ??? ?}
?? ??? ??? ?else if (peo->Department == "銷售經(jīng)理") {
?? ??? ??? ??? ?cout << " ? 銷售經(jīng)理無法修改" << endl;
?? ??? ??? ?}
?? ??? ??? ?else {
?? ??? ??? ??? ?cout << "輸入錯誤" << endl;
?? ??? ??? ?}
?? ??? ?}system("pause");
?? ??? ??? ??? ?break;
?? ??? ?case 3: {
?? ??? ??? ?string Name;
?? ??? ??? ?int n = 0;
?? ??? ??? ?cout << "請輸入所查找人的姓名：";
?? ??? ??? ?cin >> Name;
?? ??? ??? ?Person* peo = T.find(Name);
?? ??? ??? ?if (peo == NULL) {
?? ??? ??? ??? ?cout << "查無此人" << endl;
?? ??? ??? ??? ?system("cls");
?? ??? ??? ??? ?break;
?? ??? ??? ?}
?? ??? ??? ?cout<<"-----------------------------------"<<endl;
?? ??? ??? ?cout <<left<<setw(8)<<"序 號"<<setw(9)<<"姓 名"<<setw(10)<<"崗 位"<<setw(10)<<"工 資"<< endl;?
?? ??? ??? ?peo->show();
?? ??? ??? ?cout<<endl<<"-----------------------------------"<<endl;
?? ??? ??? ?cout << endl;
?? ??? ??? ?system("pause");
?? ??? ??? ?
?? ??? ?}
?? ??? ??? ??? ?break;
?? ??? ?case 4: {?
?? ??? ??? ?cout<<"-----------------------------------"<<endl;
?? ??? ??? ?cout <<left<<setw(8)<<"序 號"<<setw(9)<<"姓 名"<<setw(10)<<"崗 位"<<setw(10)<<"工 資"<< endl;?
?? ??? ??? ?T.show1();
?? ??? ??? ?cout<<"-----------------------------------"<<endl;
?? ??? ??? ?system("pause");
?? ??? ??? ?system("cls");
?? ??? ?}
?? ??? ??? ??? ?break;
?? ??? ?case 5: {?
?? ??? ??? ?cout<<"-----------------------------------"<<endl;
?? ??? ??? ?cout <<left<<setw(8)<<"序 號"<<setw(9)<<"姓 名"<<setw(10)<<"崗 位"<<setw(10)<<"工 資"<< endl;?
?? ??? ??? ??? ?T.show();
?? ??? ?}
?? ??? ??? ?system("pause");
?? ??? ??? ??? ?break;
?? ??? ?case 0:
?? ??? ??? ?T.addtofile();
?? ??? ??? ?exit(0);
?? ??? ?default:
?? ??? ??? ?cout << "輸入錯誤請重新輸入" << endl;
?? ??? ??? ?break;
?? ??? ?}
?? ?}
?? ?return 0;
}