#include <iostream.h>
#include <iomanip.h>
#include <cstring>
#include <string.h>
#include <fstream.h>
const int Maxr=100;
class Employee //職工類
{
   int tag;//刪除標記
   int no;//職工編號
   char name[20]; //職工姓名
   char zw[20];//職工職務(wù)
   int salary;//職工工資
   int grade;//職工級別
public:
   Employee(){}
   char *getname() {return name;}//獲取名字
   int gettag() {return tag;}//獲取標記
   int getno() {return no;}//獲取編號
   int getgrade() {return grade;}//獲取級別
   int getsalary(){return salary;} //獲取工資
    void setzw(char q[])//設(shè)置職務(wù)
    {
     strcpy(zw,q);
}
    void setname(char na[])//設(shè)置名字
{
    strcpy(name,na);
}
    void getsalary(int sa){salary=sa;}
    void getgrade(int gr){grade=gr;}
    void delna(){tag=1;}//刪除
    void addemp(int n,int sa,char *na,char *q,int gr)//增加
{
    tag=0;
    no=n;
    salary=sa;
    grade=gr;
    strcpy(name,na);
    strcpy(zw,q);
}




    void disp()//顯示職工信息
{

    cout<<" "<<setw(13)<<no<<" "<<setw(13)<<name<<" "<<setw(13)<<salary<<" "<<setw(13)<<zw<<" "<<setw(13)<<grade<<endl;

}
};



class Database//職工數(shù)據(jù)類
{
    int top;
    Employee read[Maxr];

public:
    Database()//將職工信息從employee.txt讀取到read[]中
{ Employee s;
        top=-1;
        fstream file("employee.txt",ios::in);
        while (1)
{
           file.read((char *)&s,sizeof(s));
           if (!file) break;
           top++;
           read[top]=s;
}
        file.close();

    }



    int addemp (int n, int sa,char *na,char*q,int gr) //增加職工
{

    Employee *p=query(n);
    if (p==NULL)
{
    top++;
    read[top].addemp(n,sa,na,q,gr);
    return 1;
    }
      return 0;
}

    Employee *query(int empid)
{
    for (int i=0;i<=top;i++)
    if (read[i].getno()==empid && read[i].gettag()==0)
    return &read[i];
    return NULL;
}

    Employee *query1(char empna[20])
{
     for (int i=0;i<=top;i++)
    if ((!strcmp(read[i].getname(), empna)) && read[i].gettag()==0)
    return &read[i];
    return NULL;
}

    void disp() //職工信息顯示
{
    for (int i=0;i<=top;i++)
if (read[i].gettag()==0)
    read[i].disp();
}

    void empdata();
    
~Database() //將read[]中的信息讀如到employee.txt中
{
    fstream file("employee.txt",ios::out);
      for (int i=0;i<=top;i++)
    if (read[i].gettag()==0)
    file.write((char *)&read[i],sizeof(read[i]));
    file.close();
}
};



void Database::empdata()//職工管理
{
int choice=1;
int m=1;int b=1;
char rname[20];
char empna[20];
int grade;double empid; double empsa;char q[20];
Employee *r;
while (choice!=0)
{
cout<<"職工維護 1：增加  2：刪除 3：查找 4：顯示 0：退出=>";
cin>>choice;
switch (choice)
{
case 1:
cout<<endl;
cout<<setw(50)<<" 請選擇您所需的操作,并按回車鍵結(jié)束: \n";
cout<<setw(50)<<" 經(jīng)理:1\n";
cout<<setw(50)<<" 銷售經(jīng)理:2\n";
cout<<setw(50)<<" 兼職推銷員:3\n";
cout<<setw(50)<<" 兼職技術(shù)人員:4\n";
cout<<setw(50)<<" 返回:5\n";
cin>>m;
while(m!=0){
switch(m)
{
case 1:
cout<<"輸入經(jīng)理編號：";
cin>>empid;
cout<<"輸入經(jīng)理姓名：";
cin>>rname;
cout<<"輸入級別:";
cin>>grade;
addemp(empid,8000,rname,"經(jīng)理",grade+1);
break;
case 2:
cout<<"輸入銷售經(jīng)理編號：";
cin>>empid;
cout<<"輸入本月提成: ";
cin>>empsa;
cout<<"輸入業(yè)務(wù)經(jīng)理姓名：";
cin>>rname;
cout<<"輸入級別:";
cin>>grade;
addemp(empid,4000+empsa,rname,"業(yè)務(wù)經(jīng)理",grade+1);
break;
case 3:
cout<<"輸入兼職推銷員編號：";
cin>>empid;
cout<<"輸入本月銷售額: ";
cin>>empsa;
cout<<"輸入職工姓名：";
cin>>rname;
cout<<"輸入級別:";
cin>>grade;
addemp(empid,empsa*0.05,rname,"兼職推銷員",grade+1);
break;
case 4:
cout<<"輸入兼職技術(shù)人員編號：";
cin>>empid;
cout<<"輸入本月工作小時數(shù): ";
cin>>empsa;
cout<<"輸入職工姓名：";
cin>>rname;
cout<<"輸入級別:";
cin>>grade;
addemp(empid,empsa*100,rname,"兼職技術(shù)人員",grade+1);
break; }
break;
}
break;

case 2:
cout<<"輸入職工編號：";
cin>>empid;
r=query(empid);
if (r==NULL)
{
cout<<"該職工不存在"<<endl;
break;

}
r->delna();
break;
case 3:

cout<<setw(50)<<" 請選擇您所需的操作 \n";
cout<<setw(50)<<" 按編號查找1，并按回車鍵 \n";
cout<<setw(50)<<" 按姓名查找2，并按回車鍵 \n";
cout<<setw(50)<<" 返回 3，并按回車鍵 \n";
cin>>b;
while(b!=0){
     switch(b)
{
     case 1:
     cout<<"輸入職工編號：";
     cin>>empid;
     r=query(empid);
     if (r==NULL)
{
     cout<<"該職工不存在"<<endl;
     break;
}
     cout<<" "<<setw(13)<<"編號"<<" "<<setw(13)<<"姓名"<<" "<<setw(13)<<"工資"<<" "<<setw(13)<<"職務(wù)"<<" "<<setw(13)<<"級別"<<endl;
     r->disp();
     break;

         case 2:
          cout<<"輸入職工姓名:";
         cin>>empna;
             r=query1(empna);
         if (r==NULL)
{
     cout<<"該職工不存在"<<endl;
     break;
}
     cout<<" "<<setw(13)<<"編號"<<" "<<setw(13)<<"姓名"<<" "<<setw(13)<<"工資"<<" "<<setw(13)<<"職務(wù)"<<" "<<setw(13)<<"級別"<<endl;
     r->disp();
        break;
}
    break;
}
break;
case 4:
cout<<" "<<setw(13)<<"編號"<<" "<<setw(13)<<"姓名"<<" "<<setw(13)<<"工資"<<" "<<setw(13)<<"職務(wù)"<<" "<<setw(13)<<"級別"<<endl;
disp();
break;

break;
}
}
}

void main()

{
int choice=1;Database EmpDB;
while(choice!=0)
{
cout<<endl;
cout<<endl;
cout<<setw(50)<<"***公司人員管理系統(tǒng)***"<<endl;
cout<<endl;
cout<<endl;

cout<<setw(60)<<"  請選擇您所需的操作，并按回車鍵結(jié)束: \n";
cout<<setw(44)<<"  進入系統(tǒng)：1 \n";
cout<<setw(44)<<"  返回    ：0 \n";

cin>>choice;
switch(choice)
{
case 1:
while(1){
cout<<setw(20);
EmpDB.empdata();
break;


break;}
}
}
}