qq.cpp

某小型公司

#include <iostream.h>
#include <iomanip.h>
#include <cstring>
#include <string.h>
#include <fstream.h>
const int Maxr=100;
class Employee //职工类
{
   int tag;//删除标记
   int no;//职工编号
   char name[20]; //职工姓名
   char zw[20];//职工职务
   int salary;//职工工资
   int grade;//职工级别
public:
   Employee(){}
   char *getname() {return name;}//获取名字
   int gettag() {return tag;}//获取标记
   int getno() {return no;}//获取编号
   int getgrade() {return grade;}//获取级别
   int getsalary(){return salary;} //获取工资
    void setzw(char q[])//设置职务
    {
     strcpy(zw,q);
}
    void setname(char na[])//设置名字
{
    strcpy(name,na);
}
    void getsalary(int sa){salary=sa;}
    void getgrade(int gr){grade=gr;}
    void delna(){tag=1;}//删除
    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()//显示职工信息
{

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

}
};



class Database//职工数据类
{
    int top;
    Employee read[Maxr];

public:
    Database()//将职工信息从employee.txt读取到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) //增加职工
{

    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() //职工信息显示
{
    for (int i=0;i<=top;i++)
if (read[i].gettag()==0)
    read[i].disp();
}

    void empdata();
    
~Database() //将read[]中的信息读如到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()//职工管理
{
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<<"职工维护 1：增加  2：删除 3：查找 4：显示 0：退出=>";
cin>>choice;
switch (choice)
{
case 1:
cout<<endl;
cout<<setw(50)<<" 请选择您所需的操作,并按回车键结束: \n";
cout<<setw(50)<<" 经理:1\n";
cout<<setw(50)<<" 销售经理:2\n";
cout<<setw(50)<<" 兼职推销员:3\n";
cout<<setw(50)<<" 兼职技术人员:4\n";
cout<<setw(50)<<" 返回:5\n";
cin>>m;
while(m!=0){
switch(m)
{
case 1:
cout<<"输入经理编号：";
cin>>empid;
cout<<"输入经理姓名：";
cin>>rname;
cout<<"输入级别:";
cin>>grade;
addemp(empid,8000,rname,"经理",grade+1);
break;
case 2:
cout<<"输入销售经理编号：";
cin>>empid;
cout<<"输入本月提成: ";
cin>>empsa;
cout<<"输入业务经理姓名：";
cin>>rname;
cout<<"输入级别:";
cin>>grade;
addemp(empid,4000+empsa,rname,"业务经理",grade+1);
break;
case 3:
cout<<"输入兼职推销员编号：";
cin>>empid;
cout<<"输入本月销售额: ";
cin>>empsa;
cout<<"输入职工姓名：";
cin>>rname;
cout<<"输入级别:";
cin>>grade;
addemp(empid,empsa*0.05,rname,"兼职推销员",grade+1);
break;
case 4:
cout<<"输入兼职技术人员编号：";
cin>>empid;
cout<<"输入本月工作小时数: ";
cin>>empsa;
cout<<"输入职工姓名：";
cin>>rname;
cout<<"输入级别:";
cin>>grade;
addemp(empid,empsa*100,rname,"兼职技术人员",grade+1);
break; }
break;
}
break;

case 2:
cout<<"输入职工编号：";
cin>>empid;
r=query(empid);
if (r==NULL)
{
cout<<"该职工不存在"<<endl;
break;

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

cout<<setw(50)<<" 请选择您所需的操作 \n";
cout<<setw(50)<<" 按编号查找1，并按回车键 \n";
cout<<setw(50)<<" 按姓名查找2，并按回车键 \n";
cout<<setw(50)<<" 返回 3，并按回车键 \n";
cin>>b;
while(b!=0){
     switch(b)
{
     case 1:
     cout<<"输入职工编号：";
     cin>>empid;
     r=query(empid);
     if (r==NULL)
{
     cout<<"该职工不存在"<<endl;
     break;
}
     cout<<" "<<setw(13)<<"编号"<<" "<<setw(13)<<"姓名"<<" "<<setw(13)<<"工资"<<" "<<setw(13)<<"职务"<<" "<<setw(13)<<"级别"<<endl;
     r->disp();
     break;

         case 2:
          cout<<"输入职工姓名:";
         cin>>empna;
             r=query1(empna);
         if (r==NULL)
{
     cout<<"该职工不存在"<<endl;
     break;
}
     cout<<" "<<setw(13)<<"编号"<<" "<<setw(13)<<"姓名"<<" "<<setw(13)<<"工资"<<" "<<setw(13)<<"职务"<<" "<<setw(13)<<"级别"<<endl;
     r->disp();
        break;
}
    break;
}
break;
case 4:
cout<<" "<<setw(13)<<"编号"<<" "<<setw(13)<<"姓名"<<" "<<setw(13)<<"工资"<<" "<<setw(13)<<"职务"<<" "<<setw(13)<<"级别"<<endl;
disp();
break;

break;
}
}
}

void main()

{
int choice=1;Database EmpDB;
while(choice!=0)
{
cout<<endl;
cout<<endl;
cout<<setw(50)<<"***公司人员管理系统***"<<endl;
cout<<endl;
cout<<endl;

cout<<setw(60)<<"  请选择您所需的操作，并按回车键结束: \n";
cout<<setw(44)<<"  进入系统：1 \n";
cout<<setw(44)<<"  返回    ：0 \n";

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


break;}
}
}
}