C + + Course Design -- restaurant ordering system (MFC)

Lesson title

Restaurant order system

Class setting requirements

  1. user management
  2. Membership registration
  3. Restaurant food category management
  4. Input, delete, modify and save the basic information (No., name, category, unit price) of dishes to a text file
  5. Fuzzy query based on dish category and name
  6. Customer ordering information (time, table number, dish number, quantity) management
  7. Customer checkout (discount for members)
  8. Count the sales volume of a dish one day
  9. Statistics of restaurant turnover by month, quarter and year
  10. System announcement management

Program operation interface



Core source code

// TotalDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Order.h"
#include "TotalDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTotalDlg dialog


CTotalDlg::CTotalDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTotalDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTotalDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CTotalDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTotalDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CTotalDlg, CDialog)
	//{{AFX_MSG_MAP(CTotalDlg)
	ON_BN_CLICKED(IDC_BUTTON8, OnButton8)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTotalDlg message handlers

void CTotalDlg::OnButton8() 
{
	// TODO: Add your control notification handler code here
	EndDialog(TRUE);
	
}

void CTotalDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	CString str; //get SysTime
	CTime tm; tm=CTime::GetCurrentTime();
	str=tm.Format("%Y-%m-%d");

	FILE *file=fopen("sale.txt","r");
	int a=0;
	char date[20];char money[10];
	float m=0;
	while(!feof(file))
	{
		fscanf(file,"%s%s",&date,&money);
		if(strcmp(date,str)==0)
		{
			m = m+atof(money);
		}
	}
	fclose(file);

	CString aaa;
	aaa.Format("The sales volume of the day is:%f",m);
	MessageBox(aaa);


	
}

void CTotalDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	FILE *file=fopen("sale.txt","r");
	int a=0;
	char date[20];char money[10];
	float m=0;
	while(!feof(file))    //If the file is opened successfully
	{
		fscanf(file,"%s%s",&date,&money);    //Input file contents into memory
		CString d = date;                      //Give date value to d
		if(strcmp(d.Left(7),"2019-12")==0)      //Judge whether it is December 2019
		{
			m = m+atof(money); //Statistics of monthly income
		}
	}
	fclose(file); //Close file

	CString aaa;
	aaa.Format("The sales volume of the current month is:%f",m);
	MessageBox(aaa);

	
}

void CTotalDlg::OnButton7() 
{
	FILE *file=fopen("sale.txt","r");
	int a=0;
	char date[20];char money[10];
	float m=0;
	while(!feof(file))
	{
		fscanf(file,"%s%s",&date,&money);
		CString d = date;
		if(strcmp(d.Left(7),"2019-10")==0||strcmp(d.Left(7),"2019-11")==0||strcmp(d.Left(7),"2019-12")==0)
		{
			m = m+atof(money);
		}
	}
	fclose(file);

	CString aaa;
	aaa.Format("Sales in the current quarter:%f",m);
	MessageBox(aaa);
	
}

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Posted on Sat, 08 Feb 2020 09:29:47 -0500 by coho75