#include
#include
#include
#include
#include
#include
#include
#include 
#define filename "student.txt"
using namespace std;?
class Person
{
public:
?? ?Person(string, string, int = 0);//構造函數?
?? ?double virtual pay_salary() = 0; //借用虛函數進行工資初始化?
?? ?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;//技術級?
};
bool Person::operator<(const Person*& obj) const//函數重載<,用于比較薪水?
{
?? ?return this->Salary > obj->Salary;
}
Person::Person(string name1, string work1, int c1) //構造函數的實現?
{
?? ?c = c1;
?? ?Number = num++;
?? ?Name = name1;
?? ?Department = work1;
}
int Person::num = 1;//編號從1開始?
void ?Person::show() {
?? ?cout<<"-----------------------------------"< Ma;//vector數組，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::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::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::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();//關閉?
}
bool cmp(Person* x, Person* y) { //比較薪水
?? ?return x->Salary > y->Salary;
}

void Manage::show() {
?? ?for (vector::iterator iter = Ma.begin(); iter != Ma.end(); iter++) {
?? ??? ?if ((*iter)->Department == "銷售經理") {
?? ??? ??? ?(*iter)->Salary = salevolume * 0.002 +1500;
?? ??? ??? ?break;
?? ??? ?}
?? ?}
?? ?sort(Ma.begin(), Ma.end(), cmp);//薪水大小排序
?? ?for (vector::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; ? //銷售額或技術等級
?? ??? ?fscanf(fp, "%s%s%d", post, Name,&c);
?? ??? ?if (!strcmp(post, "經理")) { //文件中為經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, "銷售經理")) {
?? ??? ??? ?Person* peo = new SaleManager(Name, post, 0);
?? ??? ??? ?obj.add(peo);
?? ??? ?}
?? ?}
?? ?fclose(fp);//關閉文件?
}
void Manage::show1()//對vector數組進行讀取?
{
?? ?for (vector::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 ? ? ? ?|" << 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.經理 2.技術人員 3. 銷售人員 4.銷售經理）：" ;?
?? ??? ??? ??? ?cin >> n;
?? ??? ??? ??? ?if (n == 1) {
?? ??? ??? ??? ??? ?Person* peo = new Manager(Name, "經理", 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 == "經理") {
?? ??? ??? ??? ?cout << " ? ?經理無法修改" << endl;
?? ??? ??? ?}
?? ??? ??? ?else if (peo->Department == "技術人員") {
?? ??? ??? ??? ?int rank = 0;
?? ??? ??? ??? ?while (1) {
?? ??? ??? ??? ??? ?cout <> 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, "技術人員", rank);
?? ??? ??? ??? ?T.add(peo);
?? ??? ??? ??? ?cout << "修改成功！" << endl;
?? ??? ??? ??? ?
?? ??? ??? ?}
?? ??? ??? ?else if (peo->Department == "銷售人員") {
?? ??? ??? ??? ?int sales = 0;
?? ??? ??? ??? ?cout <> 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 == "銷售經理") {
?? ??? ??? ??? ?cout << " ? 銷售經理無法修改" << 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<<"-----------------------------------"<show();
?? ??? ??? ?cout<