supmakt.h

超市收银

// Contain Goods's kind, name, price, number, conserve_date
// Goods.cpp - for goods's information
#include <iostream>
using namespace std;
#ifndef GOODS_H_
#define GOODS_H_
// base class
class Goods_Info{
private:
	enum {KIND = 20};
	enum {NAME = 35};
	int kind;
	char name[NAME];
	double price;
	double inprice;
	int number;
	int total_number;
	char conserve_date[11];
	int has_it;
	double total_price;
	double in_total_price;
	double profit;
	double profited;
public:
	const int Kind() const{ return kind;}
	const char * Name() const { return name;}
	const double Price() const { return price;}
	const int Number() const { return number;}
	const char * ConseveDate() const { return conserve_date;}
	const int Hasit() const { return has_it;}
	
	const double Inprice() const { return inprice;}
	const int Total_number() const { return total_number;}
	const double Total_price() const { return total_price;}
	const double In_total_price() const { return in_total_price;}
	const double Profit() const { return profit;}
	const double Profited_return() const { return profited;}

	Goods_Info(const int kd = 100001,
			   const char * nm = "none name",
			   double pri = 0.0,
			   int    num = 0,
			   const char * con_date = "20080525",
			   int ht = 0,
			   
			   double inpri = 0.0,
			   int total_num = 0,
			   double total_pri = 0.0,
			   double in_total_pri = 0.0,
			   double profi =0.0,
			   double profied = 0.0);
	int num_add(){ return ++ kind ;}

	int number_add( int m ){
		if (-m > number) {
			cerr << "You sell more goods! ERROR!" << endl;
			return 0;
		}
		number += m;
		return 1;
	}

	int price_add(double pri){
		price += pri;
		return 1;
	}
	void updName(char * nm){
		strncpy(name, nm, NAME - 1);
		name[NAME - 1] = '\0';
	}
	void updPrice(double pri){
			price = pri;
	}
	void updAmount(int amn){
		number = amn;
	}
	void updConserve(char * con_date){
		strncpy(conserve_date, con_date, 10);
		conserve_date[10] = '\0';
	}

	int hasit_upd(){
		if (number <= 0) {
			has_it = 0;
		}else{
			has_it = 1;
		}
		return 1;
	}
	int Has_It() const { return has_it;}
	virtual ~Goods_Info(){
		cout <<  "Goods_Info's deconstructor executed !"<< endl;
	}
	int Show(){
		cout << kind << "\t" << name << "\t" << number << "\t" << inprice <<"\t" << price
			<< "\t" << conserve_date << "\t" << has_it ;
		return 1;
	}
	// Compute total_price
	void TotalPrice(int temp){ total_price += temp * price; }
	// Compute profit
	void TotalProfit(int temp){ profit += (price - inprice) * temp; }
	void Profited(int sell_num){ profited += (price - inprice) * sell_num; 
					//profited = abs(profited);
	}
	// Compute total_number
	void TotalNumber(int temp){ total_number += temp; }
	//	Compute in_total_price
	void Cin_total_price(){
		in_total_price = number * inprice;
	}
};

// Foodstuff class
class Foodstuff:public Goods_Info{
private:
	enum {SMELL = 20};
	char smell[SMELL];

public:
	const char * Smell() const { return smell;}	
	Foodstuff(const int kd = 100001,
		const char * nm = "none name",
		double pri = 0.0,
		int    num = 0,
		const char * con_date = "20080101",
		int ht = 0,
		double inpri =0.0,
		int total_num = 0,
		double total_pri = 0.0,
		double in_total_pri = 0.0,
		double profi =0.0,
		double profied = 0.0,
		const char * sm = "none");

	int FoodstuffShow(){
		Show();
		cout << "\t" << smell << endl;
		return 1;
	}
	void sell(int num = 0){
		if ( num < num ) {
			cerr << " This goods's amount is lacking ! " << endl;
		}else{
			num -= num;
		}
	}
};
//	Define link
typedef struct anode{
	Foodstuff *data;
	struct anode *next;
}node;
//	Function declare
void dh();
void pria();
void priz();
int pri_load();
int pri();
int sest();
int priquery();
int pridel();
void clear();
node *init();
node *addRec(node * header);
node * searchSmall(node * header);
node *search(node *header,int n);
void deleteKind(node * header, int kind);
void SortLink(node * head);
void display(node *header);
void freeMemory(node *header);
int link_size( node *header );
void del_all(node *header);
node *data_load();
void data_save(node *header);
int Sell(node * header);
void Stock(node * header);
int AccountShow(node * head);
int DataMaintenance(node * header);
#endif