login.cpp

MFC写的银行储蓄系统

// LOGIN.cpp : implementation file
//

#include "stdafx.h"
#include "银行储蓄系统.h"
#include "LOGIN.h"
#include "iostream.h"
#include "fstream.h"
#include "String.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLOGIN dialog


CLOGIN::CLOGIN(CWnd* pParent /*=NULL*/)
	: CDialog(CLOGIN::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLOGIN)
	m_accnumber = 0;
	m_password = 0;
	//}}AFX_DATA_INIT
}


void CLOGIN::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLOGIN)
	DDX_Text(pDX, IDC_EDIT1, m_accnumber);
	DDX_Text(pDX, IDC_EDIT2, m_password);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CLOGIN, CDialog)
	//{{AFX_MSG_MAP(CLOGIN)
	ON_BN_CLICKED(IDC_EXIT_BUTTON, OnExitButton)
	ON_BN_CLICKED(IDC_CREATE_BUTTON, OnCreateButton)
	ON_BN_CLICKED(IDC_LOGIN_BUTTON, OnLoginButton)
	ON_BN_CLICKED(IDC_DELETE_BUTTON, OnDeleteButton)
	ON_BN_CLICKED(IDC_SAVE_BUTTON, OnSaveButton)
	ON_BN_CLICKED(IDC_READ_BUTTON, OnReadButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLOGIN message handlers

void CLOGIN::OnExitButton() 
{
	// TODO: Add your control notification handler code here
    OnOK();	
}

void CLOGIN::OnCreateButton() 
{
	// TODO: Add your control notification handler code here
    creat.DoModal();
}

void CLOGIN::OnLoginButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);

    int item=0;

	if(m_accnumber/100==1)
	{
	  Savings *pS;
      for(Savings* p=(Savings*)pS->getFirst(); p ;p=(Savings*)p->getNext())
	  {
		if(m_accnumber==p->AccountNo()&&m_password==p->getPass())
        {
            operation.aS=p;
			operation.tag=1;
			operation.DoModal();
			item=1;
		}
	  }
	}
	else if(m_accnumber/100==2) 
    {
		Checkings *pC;
		for(Checkings* pp=(Checkings*)pC->getFirst(); pp ;pp=(Checkings*)pp->getNext())
		{
		  if(m_accnumber==pp->AccountNo()&&m_password==pp->getPass())
		  {
		    operation.aC=pp;
			operation.tag=2;
			operation.DoModal();
		    item=1;
		  }
		}
	}

    if(item==0)
	  MessageBox("密码或帐号错误");
}



void CLOGIN::OnDeleteButton() 
{
	// TODO: Add your control notification handler code here
	deleteaccount.DoModal();
}

void CLOGIN::OnSaveButton() 
{
	// TODO: Add your control notification handler code here
	 int aN;
	 double bal;
	 long password;
	 ofstream outfile("account.dat",ios::trunc);
	 if(outfile)
	 {
		 Savings *pS;

		 for(Savings* p=(Savings*)pS->getFirst(); p ;p=(Savings*)p->getNext())
		 {
		    aN=p->AccountNo();
		    bal=p->GetBalance();
			password=p->getPass();
	        outfile<<aN<<" "<<bal<<" "<<password<<endl;
		 }
	 }
	 else cout<<"错误，文件无法打开!"<<endl;
	 outfile.close();
	 MessageBox("保存完毕");
}

void CLOGIN::OnReadButton() 
{
	// TODO: Add your control notification handler code here
	int aN;
	double bal;
	long password;
	Savings *pS;
    for(Savings* p=(Savings*)pS->getFirst(); p; )
	{
       Savings* t=p;
       p=(Savings*)p->getNext();
       delete t;
	}
    pS->getFirst()=NULL;
    ifstream infile("account.dat");
    if(infile)
	   while(infile.good())
	   {
		   infile>>aN;
		   infile>>bal;
		   infile>>password;
		   if(aN/100==1)
		   {
		      Savings *pSS;	   
		      pSS=new Savings(aN,bal);
			  pSS->Password(password);
		   }
		   else if((aN/100)==2)
		   {
		      Checkings *pCC;	   
		      pCC=new Checkings(aN,bal);
			  pCC->Password(password);
		   }
	   }
	else cout<<"错误,文件无法打开!"<<endl;
	infile.close();
    MessageBox("导入完毕");
}