Login.cpp
资源名称:01.rar [点击查看]
上传用户:connie527
上传日期:2022-04-15
资源大小:4326k
文件大小:3k
源码类别:
行业应用
开发平台:
Visual C++
- // Login.cpp : implementation file
- //
- #include "stdafx.h"
- #include "capture.h"
- #include "Login.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_Name = _T("");
- m_PassWord = _T("");
- //}}AFX_DATA_INIT
- m_Time = 0;
- }
- void CLogin::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CLogin)
- DDX_Control(pDX, IDC_OK, m_OK);
- DDX_Control(pDX, IDC_CANCEL, m_Cancel);
- DDX_Text(pDX, IDC_EDIT1, m_Name);
- DDX_Text(pDX, IDC_EDIT2, m_PassWord);
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CLogin, CDialog)
- //{{AFX_MSG_MAP(CLogin)
- // NOTE: the ClassWizard will add message map macros here
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CLogin message handlers
- BOOL CLogin::PreTranslateMessage(MSG* pMsg)
- {
- // TODO: Add your specialized code here and/or call the base class
- if(pMsg->message==WM_KEYDOWN && pMsg->wParam==13)
- {
- pMsg->wParam = 9;
- }
- if(pMsg->message == WM_LBUTTONDOWN)
- {
- CRect rect,rc;
- m_OK.GetWindowRect(&rect);
- m_Cancel.GetWindowRect(&rc);
- CPoint point;
- GetCursorPos(&point);
- if(rect.PtInRect(point))
- {
- UpdateData(TRUE);
- if(m_Name.IsEmpty() || m_PassWord.IsEmpty())
- {
- MessageBox("用户名或密码不能为空");
- return FALSE;
- }
- m_Time++;
- try
- {
- //创建连接对象实例
- m_pConnection.CreateInstance("ADODB.Connection");
- //设置连接字符串
- CString strConnect="DRIVER={Microsoft Access Driver (*.mdb)};
- uid=;pwd=;DBQ=shujuku.mdb;";
- //使用Open方法连接数据库
- m_pConnection->Open((_bstr_t)strConnect,"","",adModeUnknown);
- }
- catch(_com_error e)
- {
- AfxMessageBox(e.Description());
- }
- CString sql;
- sql.Format("select * from tb_user where 用户名 = '%s' and 密码 = '%s'",
- m_Name,m_PassWord);
- m_pRecordset = m_pConnection->Execute((_bstr_t)sql,NULL,adCmdText);
- if(!m_pRecordset->adoEOF)
- {
- CDialog::OnOK();
- }
- else
- {
- if(m_Time == 3)
- {
- MessageBox("密码3次不正确");
- CDialog::OnCancel();
- }
- else
- {
- MessageBox("用户名或密码不正确");
- m_Name = "";
- m_PassWord = "";
- UpdateData(FALSE);
- }
- }
- m_pRecordset->Close();
- m_pConnection->Close();
- }
- if(rc.PtInRect(point))
- {
- CDialog::OnCancel();
- }
- }
- return CDialog::PreTranslateMessage(pMsg);
- }