banksystemdlg.cpp

银行管理系统,在VisualC++中操作SQL数据库进行银行帐号的创建,删除,修改,转帐,存款,取款,生成密码卡等操作.

// BankSystemDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "BankSystem.h"
#include "BankSystemDlg.h"
#include ".\BankSystemdlg.h"
#include "MenuDialog.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CBankSystemDlg 对话框



CBankSystemDlg::CBankSystemDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBankSystemDlg::IDD, pParent)
	, m_UserPWD(_T(""))
	, m_UserName(_T(""))
	, m_name(_T(""))
	, m_id(_T(""))
	, m_amount(0)
	, m_pwd(_T(""))
	, m_pwdagain(_T(""))
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBankSystemDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_UserName, m_UserName);
	DDV_MaxChars(pDX, m_UserName, 32);
	DDX_Text(pDX, IDC_UserPWD, m_UserPWD);
	DDV_MaxChars(pDX, m_UserPWD, 32);
	DDX_Text(pDX, IDC_UserPWD, m_UserPWD);
	DDX_Text(pDX, IDC_UserName, m_UserName);
	DDX_Text(pDX, IDC_EDIT1, m_name);
	DDX_Text(pDX, IDC_EDIT2, m_id);
	DDX_Text(pDX, IDC_EDIT3, m_amount);
	DDX_Text(pDX, IDC_EDIT4, m_pwd);
	DDX_Text(pDX, IDC_EDIT5, m_pwdagain);
	DDX_Control(pDX, IDC_LIVE, m_live);
	
}

BEGIN_MESSAGE_MAP(CBankSystemDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_Login, OnBnClickedLogin)
	ON_BN_CLICKED(IDC_Register, OnBnClickedRegister)
END_MESSAGE_MAP()


// CBankSystemDlg 消息处理程序

BOOL CBankSystemDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	
		
		

	// 将\“关于...\”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO: 在此添加额外的初始化代码
	CoInitialize(NULL);//初始化

	pConn.CreateInstance(__uuidof(Connection));//产生connection智能指针
	pRst.CreateInstance(__uuidof(Recordset));//产生recordset智能指针
	pRst2.CreateInstance(__uuidof(Recordset));//产生recordset智能指针


	pConn->ConnectionString="Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=NITPRO";//数据库信息
	pConn->Open("","","",adConnectUnspecified);//打开数据库
	
	m_live.SetCheck(1);
	
	
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

void CBankSystemDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CBankSystemDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CBankSystemDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CBankSystemDlg::OnBnClickedLogin()
{
	// TODO: 在此添加控件通知处理程序代码
	
/*
	//CString str="driver={SQL Server};Server=MS153331;DATABASE=NITPRO;UID=sa;PWD=";
	CString str="Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=NITPRO";

	HRESULT hr;
	try
	{
		hr = m_pConnection.CreateInstance("ADODB.Connection");///创建Connection对象
		if(SUCCEEDED(hr))
		{
			hr =  m_pConnection->Open(_bstr_t(str),"","",adModeUnknown);
		}
	}
		catch(_com_error e)///捕捉异常
		{
			CString errormessage;
			errormessage.Format("连接数据库失败!\r\n错误信息:%s",e.ErrorMessage());
			AfxMessageBox(errormessage);///显示错误信息
		} 
	
	// 构造查询语句
	
	
	CString strQuery;
	UpdateData();
	
	strQuery="SELECT user.uname FROM user WHERE user.uname=\'"+m_UserName+"\'";
	_bstr_t query = strQuery;
	//_variant_t RecordsAffected;
	
	try{
		
		m_pRecordset.CreateInstance("ADODB.Recordset");
		m_pRecordset=m_pConnection->Execute(query,NULL,adCmdText);
	}
	catch (_com_error &e){
		MessageBox(e.ErrorMessage()); 
		return ;
	}

*/
	/*放置在initdialog中
	CoInitialize(NULL);//初始化

	pConn.CreateInstance(__uuidof(Connection));//产生connection智能指针
	pRst.CreateInstance(__uuidof(Recordset));//产生recordset智能指针


	pConn->ConnectionString="Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=NITPRO";//数据库信息
	pConn->Open("","","",adConnectUnspecified);//打开数据库
	*/

	/*
	m_UserName="kknd";
	m_UserPWD="123456";
	UpdateData(FALSE);
	*/
	
	UpdateData();
	UserName=m_UserName;
	UserPWD=m_UserPWD;
	CString strQuery="SELECT * FROM bankbook WHERE bankbook.uname=\'"+m_UserName+"\' AND bankbook.password=\'"+m_UserPWD+"\'";

	try{
		pRst=pConn->Execute(_bstr_t(strQuery),NULL,adCmdText);
	}
	catch(_com_error &e)
	{
		MessageBox(e.ErrorMessage()); 
		return ;
	}

	if(!pRst->rsEOF)
	{
		::ShowWindow(m_hWnd,SW_HIDE);
		CMenuDialog menu;
		menu.DoModal();
		OnOK();
	}
	else
	{
		AfxMessageBox("用户名或密码不匹配");
		OnOK();
	}

	
}

void CBankSystemDlg::OnBnClickedRegister()
{
	// TODO: 在此添加控件通知处理程序代码
	CString strQuery="SELECT * FROM bankbook";
	


	try{
		pRst=pConn->Execute(_bstr_t(strQuery),NULL,adCmdText);
	}
	catch(_com_error &e)
	{
		MessageBox(e.ErrorMessage()); 
		return ;
	}
	
	UpdateData();
	
	if(m_pwd==m_pwdagain)
	{

		try
		{
			pRst.CreateInstance("ADODB.Recordset");
			pRst->CursorLocation=adUseClient;
			pRst->Open(_bstr_t(strQuery),_variant_t((IDispatch*)pConn,true),adOpenStatic,adLockOptimistic,adCmdText);
			
			
			int accnum=pRst->RecordCount;
			m_accnum.Format("%d",accnum);

			CTime tm=CTime::GetCurrentTime();
			m_date=tm.Format("%Y-%m-%d"); 

			int radioindex=this->GetCheckedRadioButton(IDC_LIVE,IDC_DEAD);
			switch(radioindex)
			{
			case IDC_LIVE:m_fundtype="live";break;
			case IDC_DEAD:m_fundtype="dead";break;
			}



			pRst->AddNew();
			pRst->put_Collect(_variant_t("uname"),_variant_t(m_name));
			pRst->put_Collect(_variant_t("uid"),_variant_t(m_id));
			pRst->put_Collect(_variant_t("password"),_variant_t(m_pwd));
			pRst->put_Collect(_variant_t("amount"),_variant_t(m_amount));
			pRst->put_Collect(_variant_t("accnum"),_variant_t(m_accnum));
			pRst->put_Collect(_variant_t("lastmodify"),_variant_t(m_date));
			pRst->put_Collect(_variant_t("fundtype"),_variant_t(m_fundtype));
			pRst->Update();

			
		}
		catch(_com_error &e)
		{
			MessageBox(e.ErrorMessage()); 
			return ;
		}

		AfxMessageBox("帐号创建成功！");
	}
	else
	{
		AfxMessageBox("两次密码不相同，请检查输入是否有误");
	}
}