VC++读写INI文件demo

// IniFileDemoDlg.cpp : 实现文件 // #include "stdafx.h" #include "IniFileDemo.h" #include "IniFileDemoDlg.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() // CIniFileDemoDlg 对话框 CIniFileDemoDlg::CIniFileDemoDlg(CWnd* pParent /*=NULL*/) : CDialog(CIniFileDemoDlg::IDD, pParent) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CIniFileDemoDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); DDX_Control(pDX, IDC_EDIT1, m_edit); } BEGIN_MESSAGE_MAP(CIniFileDemoDlg, CDialog) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() //}}AFX_MSG_MAP ON_BN_CLICKED(IDC_BUTTON1, &CIniFileDemoDlg::OnBnClickedButton1) ON_BN_CLICKED(IDC_BUTTON2, &CIniFileDemoDlg::OnBnClickedButton2) ON_BN_CLICKED(IDC_BUTTON3, &CIniFileDemoDlg::OnBnClickedButton3) ON_BN_CLICKED(IDC_BUTTON4, &CIniFileDemoDlg::OnBnClickedButton4) ON_BN_CLICKED(IDC_BUTTON5, &CIniFileDemoDlg::OnBnClickedButton5) END_MESSAGE_MAP() // CIniFileDemoDlg 消息处理程序 BOOL CIniFileDemoDlg::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) { BOOL bNameValid; CString strAboutMenu; bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX); ASSERT(bNameValid); 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 CFile file; file.Open(_T(".\\demo.ini"), CFile::modeCreate | CFile::modeNoTruncate ); file.Close(); return TRUE; // 除非将焦点设置到控件，否则返回 TRUE } void CIniFileDemoDlg::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 CIniFileDemoDlg::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); // 使图标在工作区矩形中居中 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 CIniFileDemoDlg::OnQueryDragIcon() { return static_cast<HCURSOR>(m_hIcon); } void CIniFileDemoDlg::OnBnClickedButton1()//read { // TODO: Add your control notification handler code here CString strClass, strName, strAge, strSex, strGrade; ::GetPrivateProfileString(_T("StudentInfo"), _T("Class"), _T(""), strClass.GetBuffer(MAX_PATH),MAX_PATH, _T(".\\demo.ini")); ::GetPrivateProfileString(_T("StudentInfo"), _T("Name"), _T(""),strName.GetBuffer(MAX_PATH),MAX_PATH, _T(".\\demo.ini")); ::GetPrivateProfileString(_T("StudentInfo"), _T("Age"), _T(""),strAge.GetBuffer(MAX_PATH),MAX_PATH, _T(".\\demo.ini")); ::GetPrivateProfileString(_T("StudentInfo"), _T("Sex"), _T(""),strSex.GetBuffer(MAX_PATH),MAX_PATH, _T(".\\demo.ini")); ::GetPrivateProfileString(_T("StudentInfo"), _T("Grade"), _T(""),strGrade.GetBuffer(MAX_PATH),MAX_PATH, _T(".\\demo.ini")); SetDlgItemText(IDC_EDIT1, strClass); SetDlgItemText(IDC_EDIT2, strName); SetDlgItemText(IDC_EDIT3, strAge); SetDlgItemText(IDC_EDIT4, strSex); SetDlgItemText(IDC_EDIT5, strGrade); } void CIniFileDemoDlg::OnBnClickedButton2()//writer { // TODO: Add your control notification handler code here CString strClass, strName, strAge, strSex, strGrade; GetDlgItemText(IDC_EDIT1, strClass); GetDlgItemText(IDC_EDIT2, strName); GetDlgItemText(IDC_EDIT3, strAge); GetDlgItemText(IDC_EDIT4, strSex); GetDlgItemText(IDC_EDIT5, strGrade); ::WritePrivateProfileString(_T("StudentInfo"), _T("Class"), strClass, _T(".\\demo.ini")); ::WritePrivateProfileString(_T("StudentInfo"), _T("Name"), strName, _T(".\\demo.ini")); ::WritePrivateProfileString(_T("StudentInfo"), _T("Age"), strAge, _T(".\\demo.ini")); ::WritePrivateProfileString(_T("StudentInfo"), _T("Sex"), strSex, _T(".\\demo.ini")); ::WritePrivateProfileString(_T("StudentInfo"), _T("Grade"), strGrade, _T(".\\demo.ini")); } void CIniFileDemoDlg::OnBnClickedButton3()//blog { // TODO: Add your control notification handler code here } void CIniFileDemoDlg::OnBnClickedButton4()//qq { // TODO: Add your control notification handler code here } void CIniFileDemoDlg::OnBnClickedButton5() { // TODO: Add your control notification handler code here SetDlgItemText(IDC_EDIT1, _T("")); SetDlgItemText(IDC_EDIT2, _T("")); SetDlgItemText(IDC_EDIT3, _T("")); SetDlgItemText(IDC_EDIT4, _T("")); SetDlgItemText(IDC_EDIT5, _T("")); }