C++实现简单职工信息管理系统

#include<iostream>
#include"string"
#include<fstream>
#include <stdlib.h>
#include <stdio.h>
#define N 100 //N作为最大职工总数
int f=0; //f作为开关
using namespace std;
string p; //p作为接收菜单选项的字符串


void menu(); //显示菜单
class worker
{
public:
 worker(){} 
 void show(); //职工信息显示 
 ~worker(){}
 friend class WorkerList;
private:
 string num,name,sex,edu,address,tel;
 int age,salary;
};


class WorkerList
{
private:
 worker w[N];
 int NUM; //用来计算职工数目
 int count; //用来暂时记录当前操作第几个职工
public:
 void add(); //职工信息录入
 void sort(); //职工信息排序
 void search(); //职工信息查找
 void dele(); //职工信息删除
 void modify(); //职工信息修改
 void save(); //职工信息以文件形式保存
 void showworker();//显示职工信息在屏幕上
 WorkerList(){
 NUM=0;
 count=0;
 }
};


void menu() //显示菜单
{
 cout<<endl;
 cout<<"***********************************************"<<endl;
 cout<<"** **"<<endl;
 cout<<"** 职工信息管理系统主菜单 **"<<endl;
 cout<<"** **"<<endl;
 cout<<"** 1.职工信息添加 **"<<endl;
 cout<<"** 2.职工信息修改 **"<<endl;
 cout<<"** 3.职工信息删除 **"<<endl;
 cout<<"** 4.职工信息排序 **"<<endl;
 cout<<"** 5.职工信息查找 **"<<endl;
 cout<<"** 6.职工信息显示 **"<<endl;
 cout<<"** 7.职工信息保存 **"<<endl;
 cout<<"** 0.退出 **"<<endl;
 cout<<"** **"<<endl;
 cout<<"***********************************************"<<endl;
 cout<<endl;
}

void domain() //主菜单函数实现
{
 
 WorkerList wl;
 while(1)
 {
 system("cls");
 menu();
 cout<<"请选择数字编号0~7"<<endl;
 int i1;
 cin>>i1;
 while(!(i1>=0&&i1<=7))
 {
 cout<<"输入有误，请重新输入："<<endl;
 cin>>i1;
 }
 switch(i1)
 {
 case 1:wl.add();break;
 case 2:wl.modify();break;
 case 3:wl.dele();break;
 case 4:wl.sort();break;
 case 5:wl.search();break;
 case 6:wl.showworker();break;
 case 7:wl.save();break;
 case 0:cout<<"系统退出！！"<<endl;
 exit(0);
 default:
 break;
 }
 cout<<"是否返回主菜单? Y/N"<<endl;
 cin>>p;
 if(p=="n"||p=="N")
 { 
 cout<<"系统退出！！"<<endl;
 exit(0);
 }
 }
}

void WorkerList::add() //职工信息添加函数实现
{
 cout<<"请输入职工信息:"<<endl;
 cout<<"工号:";
 string num;
 cin>>num;
 for(int i=0;i<NUM;i++)
 while(num==w[i].num)
 {
 cout<<"此职工编号已存在，请重新输入："<<endl;
 cout<<"工号:";
 cin>>num;
 }
 w[NUM].num=num;
 cout<<"姓名:";cin>>w[NUM].name;
 cout<<"性别:";cin>>w[NUM].sex;
 cout<<"学历:";cin>>w[NUM].edu;
 cout<<"年龄:";cin>>w[NUM].age;
 cout<<"工资:";cin>>w[NUM].salary;
 cout<<"地址:";cin>>w[NUM].address;
 cout<<"电话:";cin>>w[NUM].tel;
 ++NUM;
 count=NUM;
}

void worker::show() //职工信息显示函数实现
{
 cout<<"工号:"<<num<<endl;
 cout<<"姓名:"<<name<<endl;
 cout<<"性别:"<<sex<<endl;
 cout<<"学历:"<<edu<<endl;
 cout<<"年龄:"<<age<<endl;
 cout<<"工资:"<<salary<<endl;
 cout<<"地址:"<<address<<endl;
 cout<<"电话:"<<tel<<endl;
 cout<<endl;
}

void WorkerList::modify() //职工信息修改函数实现
{
 if(NUM<=0)
 {
 cout<<"没有职工信息存入，系统将返回主菜单"<<endl;
 menu();
 }
 cout<<"请输入需要修改信息职工的工号："<<endl;
 string num1;
 cin>>num1;
 int j=0,k;
 int flag=1;
 while(flag)
 {
 for(;j<count;j++)
 {
 if(num1==w[j].num)
 {
 flag=0;
 k=j;
 break;
 }
 }
 if(flag)
 {
 cout<<"不存在此员工，请重新输入："<<endl;
 j=0;
 cin>>num1;
 }
 }
 cout<<"你选择的职工的信息为："<<endl;
 cout<<" 工号:"<<w[k].num<<endl;
 cout<<" 姓名:"<<w[k].name<<endl;
 cout<<" 性别:"<<w[k].sex<<endl;
 cout<<" 学历:"<<w[k].edu<<endl;
 cout<<" 年龄:"<<w[k].age<<endl;
 cout<<" 工资:"<<w[k].salary<<endl;
 cout<<" 地址:"<<w[k].address<<endl;
 cout<<" 电话:"<<w[k].tel<<endl;
 cout<<endl;
 cout<<"***********************************************"<<endl;
 cout<<"** 1.修改工号 **"<<endl;
 cout<<"** 2.修改姓名 **"<<endl;
 cout<<"** 3.修改性别 **"<<endl;
 cout<<"** 4.修改学历 **"<<endl;
 cout<<"** 5.修改年龄 **"<<endl;
 cout<<"** 6.修改工资 **"<<endl;
 cout<<"** 7.修改地址 **"<<endl;
 cout<<"** 8.修改电话 **"<<endl;
 cout<<"** 0.返回主菜单 **"<<endl;
 cout<<"***********************************************"<<endl;
 cout<<endl;
 cout<<"请选择数字编号0~8"<<endl;
 int i3;
 cin>>i3;
 while(i3<0||i3>8)
 {
 cout<<"输入有误，请重新输入："<<endl;
 cin>>i3;
 }
 switch(i3)
 {
 case 1:
 cout<<"请输入新的职工工号:";
 cin>>w[k].num;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 2:
 cout<<"请输入新的职工姓名:";
 cin>>w[k].name;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 3:
 cout<<"请输入新的职工性别:";
 cin>>w[k].sex;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 4:
 cout<<"请输入新的职工学历:";
 cin>>w[k].edu;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 5:
 cout<<"请输入新的职工年龄:";
 cin>>w[k].age;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 6:
 cout<<"请输入新的职工工资:";
 cin>>w[k].salary;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 7:
 cout<<"请输入新的职工地址:";
 cin>>w[k].address;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 8:
 cout<<"请输入新的职工电话:";
 cin>>w[k].tel;
 cout<<"修改信息已保存，现返回主菜单："<<endl;
 menu();
 break;
 case 0:
 menu();
 default:
 break;
 }
}

void WorkerList::showworker() //职工信息显示函数实现
{
 if(NUM<=0)
 {
 cout<<"没有职工信息存入，系统将返回主菜单"<<endl;
 menu();
 }
 else
 cout<<"已保存的职工信息如下："<<endl;
 for(int i=0;i<count;i++)
 {
 cout<<"***********************************************"<<endl;
 cout<<" 工号:"<<w[i].num<<endl;
 cout<<" 姓名:"<<w[i].name<<endl;
 cout<<" 性别:"<<w[i].sex<<endl;
 cout<<" 学历:"<<w[i].edu<<endl;
 cout<<" 年龄:"<<w[i].age<<endl;
 cout<<" 工资:"<<w[i].salary<<endl;
 cout<<" 地址:"<<w[i].address<<endl;
 cout<<" 电话:"<<w[i].tel<<endl;
 cout<<"***********************************************"<<endl;
 }
}


void WorkerList::search() //职工信息查询函数实现
{
 if(NUM<=0)
 {
 cout<<"没有职工信息存入，系统将返回主菜单"<<endl;
 menu();
 }
 else
 cout<<"***********************************************"<<endl;
 cout<<"** 请选择查找方式： **"<<endl;
 cout<<"** 1.按工号查找 **"<<endl;
 cout<<"** 2.按姓名查找 **"<<endl;
 cout<<"** 3.按学历查找 **"<<endl;
 cout<<"** 0.返回主菜单 **"<<endl;
 cout<<"***********************************************"<<endl;
 cout<<endl;
 cout<<"请选择数字编号0~3"<<endl;
 int i4;
 cin>>i4;
 while(i4<0||i4>3)
 {
 cout<<"输入有误，请重新输入："<<endl;
 cin>>i4;
 }
 if(i4==1)
 { 
 string num2;
 cout<<"请输入要查询的职工的工号："<<endl;
 cin>>num2;
 int j=0,k;
 int flag=1;
 while(flag)
 {
 for(;j<count;j++)
 {
 if(num2==w[j].num)
 {
 flag=0;
 k=j;
 cout<<"查询的职工信息如下："<<endl;
 cout<<" 工号:"<<w[k].num<<endl;
 cout<<" 姓名:"<<w[k].name<<endl;
 cout<<" 性别:"<<w[k].sex<<endl;
 cout<<" 学历:"<<w[k].edu<<endl;
 cout<<" 年龄:"<<w[k].age<<endl;
 cout<<" 工资:"<<w[k].salary<<endl;
 cout<<" 地址:"<<w[k].address<<endl;
 cout<<" 电话:"<<w[k].tel<<endl;
 break;
 }
 }
 if(flag)
 {
 flag=0;
 cout<<"不存在此职工!!\n返回主菜单"<<endl;
 break;
 }
 }
 } 
 else if(i4==2)
 {
 string name2;
 cout<<"请输入要查询的职工的姓名："<<endl;
 cin>>name2;
 int j2=0,k2;
 int flag2=1;
 while(flag2)
 {
 for(;j2<count;j2++)
 {
 if(name2==w[j2].name)
 {
 flag2=0;
 k2=j2;
 cout<<"查询的职工信息如下："<<endl;
 cout<<" 工号:"<<w[k2].num<<endl;
 cout<<" 姓名:"<<w[k2].name<<endl;
 cout<<" 性别:"<<w[k2].sex<<endl;
 cout<<" 学历:"<<w[k2].edu<<endl;
 cout<<" 年龄:"<<w[k2].age<<endl;
 cout<<" 工资:"<<w[k2].salary<<endl;
 cout<<" 地址:"<<w[k2].address<<endl;
 cout<<" 电话:"<<w[k2].tel<<endl;
 break;
 }
 }
 if(flag2)
 {
 flag2=0;
 cout<<"不存在此职工!!\n返回主菜单"<<endl;
 break;
 }
 }
 
 }
 else if(i4==3)
 {
 string edu2;
 cout<<"请输入要查询的职工的学历："<<endl;
 cin>>edu2;
 int j4=0,k4;
 int flag4=1;
 while(flag4)
 {
 for(;j4<count;j4++)
 {
 if(edu2==w[j4].edu)
 {
 flag4=0;
 k4=j4;
 cout<<"查询的职工信息如下："<<endl;
 cout<<" 工号:"<<w[k4].num<<endl;
 cout<<" 姓名:"<<w[k4].name<<endl;
 cout<<" 性别:"<<w[k4].sex<<endl;
 cout<<" 学历:"<<w[k4].edu<<endl;
 cout<<" 年龄:"<<w[k4].age<<endl;
 cout<<" 工资:"<<w[k4].salary<<endl;
 cout<<" 地址:"<<w[k4].address<<endl;
 cout<<" 电话:"<<w[k4].tel<<endl;
 break;
 }
 }
 if(flag4)
 {
 flag4=0;
 cout<<"不存在此职工!!\n返回主菜单"<<endl;
 break;
 }
 }
 
 }
 else if(i4==0)
 menu();
}

void WorkerList::sort() //职工信息排序功能实现
{ 
 if(NUM<=0)
 {
 cout<<"没有职工信息存入，系统将返回主菜单"<<endl;
 menu();
 }
 else
 cout<<"***********************************************"<<endl;
 cout<<"** 请选择排序方式： **"<<endl;
 cout<<"** 1.按工资排序（升序） **"<<endl;
 cout<<"** 2.按工资排序（降序） **"<<endl;
 cout<<"** 0.返回主菜单 **"<<endl;
 cout<<"***********************************************"<<endl;
 cout<<endl;
 cout<<"请选择数字编号0~2"<<endl;
 int i5;
 cin>>i5;
 while(i5<0||i5>2)
 {
 cout<<"输入有误，请重新输入："<<endl;
 cin>>i5;
 }
 if(i5==1)
 { 
 for(int i=0;i<count-1;i++)
 for(int j=0;j<count-i-1;j++)
 if(w[j].salary>w[j+1].salary)
 {
 worker temp;
 temp=w[j];
 w[j]=w[j+1];
 w[j+1]=temp;
 }
 cout<<"按工资升序后的信息如下："<<endl;
 for( i=0;i<count;i++)
 {
 cout<<"***********************************************"<<endl;
 cout<<" 工号:"<<w[i].num<<endl;
 cout<<" 姓名:"<<w[i].name<<endl;
 cout<<" 性别:"<<w[i].sex<<endl;
 cout<<" 学历:"<<w[i].edu<<endl;
 cout<<" 年龄:"<<w[i].age<<endl;
 cout<<" 工资:"<<w[i].salary<<endl;
 cout<<" 地址:"<<w[i].address<<endl;
 cout<<" 电话:"<<w[i].tel<<endl;
 cout<<"***********************************************"<<endl;
 }
 }
 else if(i5==2)
 { 
 for(int i=0;i<count-1;i++)
 for(int j=0;j<count-i-1;j++)
 if(w[j].salary<w[j+1].salary)
 {
 worker temp;
 temp=w[j];
 w[j]=w[j+1];
 w[j+1]=temp;
 }
 cout<<"按工资降序后的信息如下："<<endl;
 for( i=0;i<count;i++)
 {
 cout<<"***********************************************"<<endl;
 cout<<" 工号:"<<w[i].num<<endl;
 cout<<" 姓名:"<<w[i].name<<endl;
 cout<<" 性别:"<<w[i].sex<<endl;
 cout<<" 学历:"<<w[i].edu<<endl;
 cout<<" 年龄:"<<w[i].age<<endl;
 cout<<" 工资:"<<w[i].salary<<endl;
 cout<<" 地址:"<<w[i].address<<endl;
 cout<<" 电话:"<<w[i].tel<<endl;
 cout<<"***********************************************"<<endl;
 }
 }
 else if(i5==0)
 menu();
}
void WorkerList::dele() //职工信息删除函数实现
{
 if(NUM<=0)
 {
 cout<<"没有职工信息存入，系统将返回主菜单"<<endl;
 menu();
 }
 cout<<"请输入需要删除信息职工的工号："<<endl;
 string num3;
 cin>>num3;
 int j=0,k;
 int flag=1;
 while(flag)
 {
 for(;j<count;j++)
 {
 if(num3==w[j].num)
 {
 flag=0;
 k=j;
 break;
 }
 }
 if(flag)
 {
 cout<<"不存在此员工，请重新输入："<<endl;
 j=0;
 cin>>num3;
 }
 }
 cout<<"你选择的职工的信息为："<<endl;
 cout<<" 工号:"<<w[k].num<<endl;
 cout<<" 姓名:"<<w[k].name<<endl;
 cout<<" 性别:"<<w[k].sex<<endl;
 cout<<" 学历:"<<w[k].edu<<endl;
 cout<<" 年龄:"<<w[k].age<<endl;
 cout<<" 工资:"<<w[k].salary<<endl;
 cout<<" 地址:"<<w[k].address<<endl;
 cout<<" 电话:"<<w[k].tel<<endl;
 cout<<endl;
 cout<<"确认删除请输入Y，返回主菜单请输入N "<<endl;
 string p;
 cin>>p;
 while(1)
 {
 if(p=="y"||p=="Y")
 {
 cout<<"员工信息已删除！"<<endl;
 for(int i=0;i<count;i++)
 if(w[i].num==num3)
 int j=i;
 for(;j<=count-1;j++)
 w[j]=w[j+1];
 count--;
 break;
 }
 else if(p=="n"||p=="N")
 {
 menu(); 
 }
 else 
 {
 cout<<"输入有误，请重新输入：";
 cin>>p;
 }
 }
}
void WorkerList::save() //职工信息保存函数实现
{
 if(NUM<=0)
 {
 cout<<"没有职工信息存入，系统将返回主菜单"<<endl;
 menu();
 }
 else
 {
 ofstream fout;
 fout.open("D:\\worker.txt",ios::out);
 cout<<"文件正在保存......请稍候！！"<<endl;
 cout<<"数据保存成功！！！"<<endl;
 fout<<"已保存员工信息如下："<<endl;
 for(int i=0;i<count;i++)
 {
 fout<<"***********************************************"<<endl;
 fout<<" 工号:"<<w[i].num<<endl;
 fout<<" 姓名:"<<w[i].name<<endl;
 fout<<" 性别:"<<w[i].sex<<endl;
 fout<<" 学历:"<<w[i].edu<<endl;
 fout<<" 年龄:"<<w[i].age<<endl;
 fout<<" 工资:"<<w[i].salary<<endl;
 fout<<" 地址:"<<w[i].address<<endl;
 fout<<" 电话:"<<w[i].tel<<endl;
 fout<<"***********************************************"<<endl;
 }
 cout<<"系统返回主菜单："<<endl;
 menu();
 fout.close();
 } 
}
int main()
{ 
 domain(); 
 return 0;
}