商店进存销管理系统C++

定义的外部变量：

#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
int n=0;
int chemise_n=0;
int cabinet_n=0;
int hat_n=0;

定义的货物头文件：

#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
extern int n;
extern int chemise_n;
extern int cabinet_n;
extern int hat_n;
class Goods
{
public:
 char gn[40];
 char gi[40];
 char* goodsname;
 char* goodsId;
 float buyin;//当前进货
 float sellout;//当前出货
 float weight;//当前总库存
 float totalbuyin;//总进货
 float totalsellout;//总出货

public:
 Goods()
 { 
  buyin=0;
  weight=0;
  sellout=0;
  totalbuyin=0;
  totalsellout=0;
 }
 /*Goods(char* gn,char* gi,float gw=0,float b=0,float s=0)
 {
  strcpy(goodsname,gn);
  strcpy(goodsId,gi);
  weight=gw;
  buyin=b;
  sellout=s;
 }*/
 void setgn();
 void buy();
 void sell();
 float total(); //显示当前货物的库存
 void show();
protected:
 
};
void Goods::setgn()
{ 
 cout<<"请输入货物名：";
 cin>>gn;
 cout<<"请输入货物条形码：";
 cin>>gi;
 cout<<"请输入货物重量：";
 cin>>buyin;
 /*cout<<strlen(gn)+1<<endl;*/
 /*cout<<goodsname<<endl;
 cout<<goodsId<<endl;
 cout<<&goodsname<<endl;
 cout<<&goodsId<<endl;
 show();*/
 weight=buyin;
 totalbuyin=buyin;
}
void Goods::buy()
{
 float b;
 cout<<"请输入卖入货物的重量 ：";
 cin>>b;
 totalbuyin=totalbuyin+b;
 weight=weight+b;
 cout<<"此次进货"<<b<<"千克"<<endl;
 cout<<"到目前为止，总进货量为："<<totalbuyin<<"千克"<<endl;
}
void Goods::sell()
{
 float s;
 cout<<"请输入卖出货物的重量 ：";
 cin>>s;
 totalsellout=totalsellout+s;
 weight=weight-s;
 cout<<"此次卖出货物"<<s<<"千克"<<endl;
 cout<<"到目前为止，总销货量为："<<totalsellout<<"千克"<<endl;
}
float Goods::total()
{
 
 return weight;
}
void Goods::show()
{
 cout<<goodsId<<"  "<<goodsname<<"  "<<weight<<" 千克"<<endl;
}

class chemise
{
public:
 char gn[40];
 char gi[40];
 float price ;
 char product_area[50];
 char materiel[20];
 char* goodsname;
 char* goodsId;
 int buyin;//当前进货
 int sellout;//当前出货
 int amount;
 int totalbuyin;//总进货
 int totalsellout;//总出货
 chemise()
 { 
  price=0;
  buyin=0;
  amount=0;
  sellout=0;
  totalbuyin=0;
  totalsellout=0;
 }
 void setgn();
 void set_materiel();
 void buy();
 void sell();
 float total(); //显示当前货物的库存
 void show();
};
void chemise::setgn()
{ 
 cout<<"请输入货物名：";
 cin>>gn;
 cout<<"请输入货物条形码：";
 cin>>gi;
 cout<<"请输入单价：";
 cin>>price;
 cout<<"请输入产地：";
 cin>>product_area; 
 cout<<"请输入货物数量：";
 cin>>buyin;
 amount=buyin;
 totalbuyin=buyin;
}
void chemise::set_materiel()
{
 cout<<"请输入布料：";
 cin>>materiel;
}
void chemise::buy() //买进货物函数
{
 float b;
 cout<<"请输入买入货物的数量 ：";
 cin>>b;
 totalbuyin=totalbuyin+b;
 amount=amount+b;
 cout<<"此次进货"<<b<<"个"<<endl;
 cout<<"到目前为止，总进货量为："<<totalbuyin<<"个"<<endl;
}
void chemise::sell()//卖出货物函数
{
 float s;
 cout<<"请输入卖出货物的数量 ：";
 cin>>s;
 totalsellout=totalsellout+s;
 amount=amount-s;
 cout<<"此次卖出货物"<<s<<"个"<<endl;
 cout<<"到目前为止，总销货量为："<<totalsellout<<"个"<<endl;
}
float chemise::total()//库存货物函数
{

 return amount;
}
void chemise::show()
{
 
}
class hat:public chemise //派生
{
public:
 char style[20];
public: 
 hat()
 {
  buyin=0;
  amount=0;
  sellout=0;
  totalbuyin=0;
  totalsellout=0;
 }
 void set_style()   //设置帽子的样式函数
 {
  cout<<"请输入样式（平顶或尖顶）：";
  cin>>style;
 }
};
class cabinet:public chemise
{
public:
 char style[20];
public:
 cabinet(){price=0;
 buyin=0;
 amount=0;
 sellout=0;
 totalbuyin=0;
 totalsellout=0;}
 void set_materiel()
 {
  cout<<"请输入木料：";
  cin>>materiel;
 }
 void set_style()
 {
  cout<<"请输入颜色：";
  cin>>style;
 }
};

定义的商店类：

#include "stdafx.h"
#include <iostream>
#include "goods.h"
#include <string>
#include "exbianliang.h"
using namespace std;
extern int n;
extern int chemise_n;
extern int cabinet_n;
extern int hat_n;
class Shop
{
public:

 Goods huowu[20];
 chemise chenyi[20];
 hat maozi[20];
 cabinet ligui[20];
 Shop(char* shopn,char* shopb);
 void setshopn();
 void setboss();
 void delg();
 void show_g();
 void show_c();
 void show_h();
 void show_cabinet();
 void show();
protected:
private:
 char* shopname ;
 char* boss;

};
Shop::Shop(char *shopn, char *shopb)
{ 
 shopname=new char[strlen(shopn)+1];
 strcpy(shopname,shopn);
 boss=new char[strlen(shopb)+1];
 strcpy(boss,shopb); 
}
void Shop::setshopn()
{ char* shopn= new char[40];
cout<<"请输入店名：";
cin>>shopn;
strcpy(shopname,shopn);
}
void Shop::setboss()
{
 char* shopb= new char[40];
 cout<<"请输入店主名：";
 cin>>shopb;
 strcpy(boss,shopb);
}
void Shop::delg()
{
 int delglei;
 cout<<"请输入要删除货物的类别号：";
 cin>>delglei;
 switch(delglei)
 {
 case 0:
  int delgID;
  cout<<"请输入你要删除的货物的序号！"<<"序号：";
  cin>>delgID;
  huowu[delgID]=huowu[n-1];
  n--;
  break;
 case 1:
  int delgID1;
  cout<<"请输入你要删除的货物的序号！"<<"序号：";
  cin>>delgID1;
  chenyi[delgID1]=chenyi[chemise_n];
  chemise_n--;
  break;
 case 2:
  int delgID2;
  cout<<"请输入你要删除的货物的序号！"<<"序号：";
  cin>>delgID2;
  maozi[delgID2]=maozi[hat_n];
  hat_n--;
  break;
 case 3:
  int delgID3;
  cout<<"请输入你要删除的货物的序号！"<<"序号：";
  cin>>delgID3;
  ligui[delgID3]=ligui[hat_n];
  cabinet_n--;
  break;
 default:
  break;

 }
}
void Shop::show_g()
{
 int i,j,k,gidn,gnn; 
 cout<<"                    0 、重量类"<<endl;
 cout<<"序号"<<"  货物条形码     "<<"货物名称       "<<"总数"<<endl; 
 for (i=0;i<n;i++)
 {

  gidn=15-strlen(huowu[i].gi);
  gnn=15-strlen(huowu[i].gn);  
  cout<<i<<"     "<<huowu[i].gi; 
  for (j=0;j<gidn;j++)
  {
   cout<<' ';
  }
  cout<<(huowu[i].gn);
  for (k=0;k<gnn;k++)
  {
   cout<<' ';
  }
  cout<<huowu[i].weight<<endl;
 }
}
void Shop::show_h()
{
 int i; 
 cout<<"                    2 、帽子类"<<endl;
 cout<<"序号"<<"  货物条形码"<<"  货物名称"<<"  总数"<<"  单价"<<"  布料"<<"  样式"<<"  产地"<<endl;
 for (i=0;i<hat_n;i++)
 {
  int j=0,k=0,gidn=0,gnn=0,m=0,n=0,p=0,s=0,amout_n=0,amout_a=0,int_price=0,price_n=0;
  gidn=12-strlen(maozi[i].gi);
  gnn=10-strlen(maozi[i].gn);  
  cout<<i<<"     "<<maozi[i].gi; 
  for (j=0;j<gidn;j++)
  {
   cout<<' ';
  }
  cout<<(maozi[i].gn);
  for (k=0;k<gnn;k++)
  {
   cout<<' ';
  }
  cout<<maozi[i].amount;
  amout_a=maozi[i].amount;
  while (amout_a)
  {
   amout_a=amout_a/10;
   amout_n++;
  }
  for (j=0;j<(6-amout_n);j++)
  {
   cout<<' ';
  }
  cout<<maozi[i].price;
  int_price=maozi[i].price;
  while (int_price)
  {
   int_price=int_price/10;   
   price_n++;
  }
  for (j=0;j<(6-price_n);j++)
  {
   cout<<' ';
  }
  cout<<maozi[i].materiel;
  for (p=0;p<(6-(strlen(maozi[i].materiel)));p++)
  {
   cout<<' ';
  }
  cout<<maozi[i].style;
  for (j=0;j<(6-(strlen(maozi[i].style)));j++)
  {
   cout<<' ';
  }
  cout<<maozi[i].product_area<<endl;
 }
 
}
void Shop::show_c()
{
 int i;
 cout<<"                    1 、衬衣类"<<endl;
 cout<<"序号"<<"  货物条形码"<<"  货物名称"<<"  总数"<<"  单价"<<"  布料"<<"  产地"<<endl;   
 for (i=0;i<chemise_n;i++)
 {
  int j=0,k=0,gidn=0,gnn=0,m=0,n=0,p=0,s=0,amout_n=0,amout_a=0,int_price=0,price_n=0;
  gidn=12-strlen(chenyi[i].gi);
  gnn=10-strlen(chenyi[i].gn);  
  cout<<i<<"     "<<chenyi[i].gi; 
  for (j=0;j<gidn;j++)
  {
   cout<<' ';
  }
  cout<<(chenyi[i].gn);
  for (k=0;k<gnn;k++)
  {
   cout<<' ';
  }
  cout<<chenyi[i].amount;
  amout_a=chenyi[i].amount;
  while (amout_a)
  {
   amout_a=amout_a/10;
   amout_n++;
  }
  for (j=0;j<(6-amout_n);j++)
  {
   cout<<' ';
  }
  cout<<chenyi[i].price;
  int_price=chenyi[i].price;
  while (int_price)
  {
   int_price=int_price/10;   
   price_n++;
  }
  for (j=0;j<(6-price_n);j++)
  {
   cout<<' ';
  }
  cout<<chenyi[i].materiel;
  for (p=0;p<(5-strlen(chenyi[i].materiel));p++)
  {
   cout<<' ';
  }
  cout<<chenyi[i].product_area<<endl;
 }
}
void Shop::show_cabinet()
{
 int i; 
 cout<<"                    3 、柜子类"<<endl;
 cout<<"序号"<<"  货物条形码"<<"  货物名称"<<"  总数"<<"  单价"<<"  木料"<<"  颜色"<<"  产地"<<endl;
 for (i=0;i<cabinet_n;i++)
 {
  int j=0,k=0,gidn=0,gnn=0,m=0,n=0,p=0,s=0,amout_n=0,amout_a=0,int_price=0,price_n=0;
  gidn=12-strlen(ligui[i].gi);
  gnn=10-strlen(ligui[i].gn);  
  cout<<i<<"     "<<ligui[i].gi; 
  for (j=0;j<gidn;j++)
  {
   cout<<' ';
  }
  cout<<(ligui[i].gn);
  for (k=0;k<gnn;k++)
  {
   cout<<' ';
  }
  cout<<ligui[i].amount;
  amout_a=ligui[i].amount;
  while (amout_a)
  {
   amout_a=amout_a/10;
   amout_n++;
  }
  for (j=0;j<(6-amout_n);j++)
  {
   cout<<' ';
  }
  cout<<ligui[i].price;
  int_price=ligui[i].price;
  while (int_price)
  {
   int_price=int_price/10;   
   price_n++;
  }
  for (j=0;j<(6-price_n);j++)
  {
   cout<<' ';
  }
  cout<<ligui[i].materiel;
  for (p=0;p<(6-strlen(ligui[i].materiel));p++)
  {
   cout<<' ';
  }
  cout<<ligui[i].style;
  for (j=0;j<(6-strlen(ligui[i].style));j++)
  {
   cout<<' ';
  }
  cout<<ligui[i].product_area<<endl;
 }
}
void Shop::show()
{
 cout<<"        商店名："<<shopname<<"         店主："<<boss<<endl<<endl<<endl;
 show_g();
 show_c();
 show_h();
 show_cabinet();
}

要用到的头文件：// stdafx.h : 标准系统包含文件的包含文件，
// 或是经常使用但不常更改的
// 特定于项目的包含文件
//

#pragma once

#define WIN32_LEAN_AND_MEAN  // 从 Windows 头中排除极少使用的资料
#include <stdio.h>
#include <tchar.h>

 

// TODO: 在此处引用程序需要的其他头文件

附加的cpp文件：

// stdafx.cpp : 只包括标准包含文件的源文件
// exercise01.pch 将作为预编译头
// stdafx.obj 将包含预编译类型信息

#include "stdafx.h"

// TODO: 在 STDAFX.H 中
// 引用任何所需的附加头文件，而不是在此文件中引用
主文件：

#include "stdafx.h"
#include <iostream>
#include "shop.h"
#include <string>
using namespace std;
extern int n;
extern int chemise_n;
extern int cabinet_n;
extern int hat_n;
extern int n;
int main()
{
 int b_x=1;   
 int i;
 static char* shop_name= new char[100];
 static char* boss_name= new char[40];
 cout<<"请输入的店名，老板名！"<<endl;
 cin>>shop_name>>boss_name;
 //cout<<shop_name<<boss_name<<endl;
 Shop zhao_shop(shop_name,boss_name);
 for (i=0;i<n;i++)
 {
  cout<<"请输入第"<<i+1<<"个货物，条形码，货物重量　！"<<endl;
  (zhao_shop.huowu[i]).setgn();
   
 }
 while(b_x)
 {
  int x;
  cout<<"请输入 ："<<endl;
  cout<<"         0 、显示所有的商品信息"<<endl;
  cout<<"         1 、卖出货物"<<endl;
  cout<<"         2 、购进货物"<<endl;
  cout<<"         3 、增加品种"<<endl;
  cout<<"         4 、减少品种"<<endl;
  cin>>x;
  switch(x)
  {
  case 0:
   zhao_shop.show();
   break;
  case 1:
   int i,j;
   cout<<"请输入要卖出的货物类别号：";
   cin>>i;
   cout<<"请输入要卖出的货物类中序号：";
   cin>>j;
   switch(i)
   {
   case 0:
    zhao_shop.huowu[j].sell();
    break;
   case 1:
    zhao_shop.chenyi[j].sell();
    break;
   case 2:
    zhao_shop.maozi[j].sell();
    break;
   case 3:
    zhao_shop.ligui[j].sell();
    break;
   default:
    break;
   }
   break;
  case 3:
   int k;
   cout<<"请输入要增加货物品种类别号：";
   cin>>k;
   switch(k)
   {
   case 0:
    zhao_shop.huowu[n].setgn();
    n++;
    break;
   case 1:
    zhao_shop.chenyi[chemise_n].setgn();
    zhao_shop.chenyi[chemise_n].set_materiel();
    chemise_n++;
    break;
   case 2:
    zhao_shop.maozi[hat_n].setgn();
    zhao_shop.maozi[hat_n].set_materiel();
    zhao_shop.maozi[hat_n].set_style();
    hat_n++;
    break;
   case 3:
    zhao_shop.ligui[cabinet_n].setgn();
    zhao_shop.ligui[cabinet_n].set_materiel(); 
    zhao_shop.ligui[cabinet_n].set_style();
    cabinet_n++;
    break;
   default:
    break;
   }
   break;
  case 2:
   int m,n;
   cout<<"请输入要买进的货物类别号：";
   cin>>m;
   cout<<"请输入要买进的货物类中序号：";
   cin>>n;
   switch(m)
   {
   case 0:
    zhao_shop.huowu[n].buy();
    break;
   case 1:
    zhao_shop.chenyi[n].buy();
    break;
   case 2:
    zhao_shop.maozi[n].buy();
    break;
   case 3:
    zhao_shop.ligui[n].buy();
    break;
   default:
    break;
   }
   n++;
   break;
  case 4:
   zhao_shop.delg();
   break;
   default :
   break;
  }
  cout<<endl<<"请输入 0 退出！非 0 整数继续操作！ !/n";
  cin>>b_x;
 }
  
 
}