www.gusucode.com > VC 图书管理系统源码程序 > VC 图书管理系统/VC 图书管理系统/图书管理系统/LoginDlg.cpp
// LoginDlg.cpp : implementation file // #include "stdafx.h" #include "Library.h" #include "LoginDlg.h" #include "ClerkDataSet.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CLoginDlg dialog CLoginDlg::CLoginDlg(CWnd* pParent /*=NULL*/) : CDialog(CLoginDlg::IDD, pParent) { //{{AFX_DATA_INIT(CLoginDlg) m_strName = _T(""); m_strPassword = _T(""); //}}AFX_DATA_INIT m_bSuccess = FALSE; m_strUSERID = _T(""); } void CLoginDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CLoginDlg) DDX_Text(pDX, IDC_LOGIN_NAME, m_strName); DDV_MaxChars(pDX, m_strName, 8); DDX_Text(pDX, IDC_LOGIN_PASSWORD, m_strPassword); DDV_MaxChars(pDX, m_strPassword, 8); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CLoginDlg, CDialog) //{{AFX_MSG_MAP(CLoginDlg) ON_BN_CLICKED(IDC_CONFIRM, OnConfirm) ON_BN_CLICKED(IDC_CANCEL, OnCancel) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CLoginDlg message handlers void CLoginDlg::OnConfirm() { // TODO: Add your control notification handler code here CClerkDataSet mrsDataSet; /*声明记录集*/ CString mSqlStr; UpdateData(TRUE); if (m_strName.IsEmpty()) /*判断用户名信息是否为空*/ { AfxMessageBox("请输入用户名!"); return; } mSqlStr = "SELECT * FROM CLERK WHERE NAME='"; mSqlStr = mSqlStr + m_strName; mSqlStr = mSqlStr + "' AND PASSWORD='"; mSqlStr = mSqlStr + m_strPassword; mSqlStr = mSqlStr + "'"; if (!mrsDataSet.Open(AFX_DB_USE_DEFAULT_TYPE, mSqlStr)) { AfxMessageBox("CLERK表打开失败!"); return; } if (!mrsDataSet.IsEOF()) { // Open all function for user m_bSuccess = TRUE; m_strUSERID = mrsDataSet.m_CLERK_ID ; CDialog::OnOK(); } else { AfxMessageBox("登录失败!"); m_strUSERID = _T(""); return; } } void CLoginDlg::OnCancel() { // TODO: Add your control notification handler code here CDialog::OnCancel(); }