mysql_testdlg.cpp

vc连接mysql的封装类

// mysql_testDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mysql_test.h"
#include "mysql_testDlg.h"


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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();
	
	// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA
	
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL
	
	// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMysql_testDlg dialog

CMysql_testDlg::CMysql_testDlg(CWnd* pParent /*=NULL*/)
: CDialog(CMysql_testDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMysql_testDlg)
	m_dbName = _T("");
	m_host = _T("");
	m_user = _T("");
	m_password = _T("");
	m_where = _T("");
	m_db_name = _T("");
	m_tab_name = _T("");
	m_select_exp = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMysql_testDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMysql_testDlg)
	DDX_Text(pDX, IDC_EDIT_dbName, m_dbName);
	DDX_Text(pDX, IDC_EDIT_host, m_host);
	DDX_Text(pDX, IDC_EDIT_user, m_user);
	DDX_Text(pDX, IDC_EDIT_password, m_password);
	DDX_Text(pDX, IDC_EDIT_where, m_where);
	DDX_Text(pDX, IDC_EDIT_db_name, m_db_name);
	DDX_Text(pDX, IDC_EDIT_tab_name, m_tab_name);
	DDX_Text(pDX, IDC_EDIT_select_exp, m_select_exp);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMysql_testDlg, CDialog)
//{{AFX_MSG_MAP(CMysql_testDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_connect, OnBUTTONconnect)
ON_BN_CLICKED(IDC_BUTTON_query, OnBUTTONquery)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMysql_testDlg message handlers

BOOL CMysql_testDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	// Add "About..." menu item to system menu.
	
	// IDM_ABOUTBOX must be in the system command range.
	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);
		}
	}
	
	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMysql_testDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting
		
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
		
		// Center icon in client rectangle
		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;
		
		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMysql_testDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMysql_testDlg::OnBUTTONconnect() 
{
	// TODO: Add your control notification handler code here
	GetDlgItemText(IDC_EDIT_dbName,m_dbName);
	GetDlgItemText(IDC_EDIT_host,m_host);
	GetDlgItemText(IDC_EDIT_user,m_user);
	GetDlgItemText(IDC_EDIT_password,m_password);
	string dbName = m_dbName;
	string host = m_host;
	string user = m_user;
	string password = m_password;
	Database_Param Database_p(host,user,password,dbName,0,NULL,0);
	if(mysql.ConnectDB(&Database_p))
	{
		AfxMessageBox("连接成功！");
	}
	else
	{
		AfxMessageBox("连接失败！");
	}
	
}

void CMysql_testDlg::OnBUTTONquery() 
{
	// TODO: Add your control notification handler code here
	GetDlgItemText(IDC_EDIT_db_name,m_db_name);
	GetDlgItemText(IDC_EDIT_tab_name,m_tab_name);
	GetDlgItemText(IDC_EDIT_where,m_where);
	GetDlgItemText(IDC_EDIT_select_exp,m_select_exp);
	string db_name = m_db_name;
	string tab_name = m_tab_name;
	string col_name = m_where;
	string select_exp = m_select_exp;
	Data_Param data_p(db_name,tab_name,col_name,select_exp);
	mysql.SelectDB(&data_p);
	if(mysql.SelectRecord(&data_p))
	{
		mysql.GetRecord();
		CString str_data;
		CString str_temp;
		for(int i=0;i<4;i++)
		{
			str_temp.Format("\n%s",mysql.row[i]);
			str_data +=str_temp;
		}
		SetDlgItemText(IDC_STATIC_result,str_data);
	}
	else
	{
		AfxMessageBox("NO found!");
	}
	
}