商业编程-源码-一个网络类示例代码.zip

// NetDlg.cpp : implementation file // #include "stdafx.h" #include "Net.h" #include "NetDlg.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() ///////////////////////////////////////////////////////////////////////////// // CNetDlg dialog CNetDlg::CNetDlg(CWnd* pParent /*=NULL*/) : CDialog(CNetDlg::IDD, pParent) { //{{AFX_DATA_INIT(CNetDlg) m_message = _T(""); m_port = 1025; m_type = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); NetType = 0; m_clientSocket.SetMessagePara(this,WM_MY_NETMESSAGE); m_srvrSocket.SetMessagePara(this,WM_MY_NETMESSAGE); } void CNetDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CNetDlg) DDX_Control(pDX, IDC_LINK, m_link); DDX_Control(pDX, IDC_ICONSTATE, m_iconstate); DDX_Control(pDX, IDC_IP, m_ipadrres); DDX_Text(pDX, IDC_MESSAGE, m_message); DDX_Text(pDX, IDC_PORT, m_port); DDV_MinMaxInt(pDX, m_port, 1024, 9999); DDX_Radio(pDX, IDC_SEVER, m_type); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CNetDlg, CDialog) //{{AFX_MSG_MAP(CNetDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_SEND, OnSend) ON_BN_CLICKED(IDC_LINK, OnLink) ON_BN_CLICKED(IDC_CLIENT, OnClient) ON_BN_CLICKED(IDC_SEVER, OnSever) ON_WM_TIMER() ON_BN_CLICKED(IDC_STOP, OnStop) //}}AFX_MSG_MAP ON_MESSAGE(WM_MY_NETMESSAGE,MyNETMessage) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CNetDlg message handlers LRESULT CNetDlg::MyNETMessage(WPARAM wParam, LPARAM lParam) { CString str; switch(wParam){ case MYNET_CLIENTREAD: str = m_clientSocket.GetMessStr(); m_message = str; break; case MYNET_CLIENTSEND: break; case MYNET_CONNECT: m_message = "已连接上服务器 !"; break; case MYNET_SERVERCLOSE: m_message = "服务器已关闭"; break; case MYNET_SERVERREAD: str = m_srvrSocket.GetMessStr(); m_message = str; break; case MYNET_SERVERSEND: break; case MYNET_ACCEPT: KillTimer(2); m_message = "已接受客户机请求 !"; break; case MYNET_CLIENTCLOSE: m_message = "客户机已关闭"; break; } UpdateData(false); return TRUE; } BOOL CNetDlg::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 m_ipadrres.EnableWindow(FALSE); BYTE a1 = 127; BYTE a2 = 0; BYTE a3 = 0; BYTE a4 = 1; m_ipadrres.SetAddress(a1,a2,a3,a4); return TRUE; // return TRUE unless you set the focus to a control } void CNetDlg::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 CNetDlg::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 CNetDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CNetDlg::OnSend() { // TODO: Add your control notification handler code here UpdateData(true); char ch[255]; strcpy(ch,LPCTSTR(m_message)); if( !NetType ) { m_srvrSocket.SendStr(m_message); } else { m_clientSocket.SendStr(m_message); } } void CNetDlg::OnLink() { // TODO: Add your control notification handler code here if( !NetType ) { if(m_srvrSocket.m_hSocket == INVALID_SOCKET) { BOOL bFlag = m_srvrSocket.Create(m_port, SOCK_STREAM, FD_ACCEPT); if(!bFlag) { MessageBox("网络建立错误 !"); m_srvrSocket.Close(); return; } } //“侦听”成功，等待连接请求 if(!m_srvrSocket.Listen(1)) { int nErrorCode = m_srvrSocket.GetLastError(); if(nErrorCode = WSAEWOULDBLOCK) { MessageBox("网络侦听错误 !"); m_srvrSocket.Close(); return; } } SetTimer(2,500,NULL); } else { BYTE a1,a2,a3,a4; m_ipadrres.GetAddress(a1,a2,a3,a4); m_ServerAdr.Format("%d.%d.%d.%d",a1,a2,a3,a4); m_clientSocket.ShutDown(2); m_clientSocket.Rest(); //建立计时器，每1秒尝试连接一次，直到连上或TryCount>10 SetTimer(1,500,NULL); SetTimer(2,500,NULL); TryCount=0; } } void CNetDlg::OnClient() { // TODO: Add your control notification handler code here m_ipadrres.EnableWindow(TRUE); m_link.SetWindowText("连接"); m_type = 1; NetType = 1; } void CNetDlg::OnSever() { // TODO: Add your control notification handler code here m_ipadrres.EnableWindow(FALSE); m_link.SetWindowText("启动"); m_type = 0; NetType = 0; } void CNetDlg::OnTimer(UINT nIDEvent) { switch(nIDEvent){ case 1: if (m_clientSocket.m_hSocket == INVALID_SOCKET) { BOOL bFlag=m_clientSocket.Create(0,SOCK_STREAM,FD_CONNECT); if(!bFlag) { MessageBox("网络请求失败 !"); m_clientSocket.Close(); KillTimer(1); KillTimer(2); return; } } m_clientSocket.Connect(m_ServerAdr,m_port); TryCount++; if (TryCount >=10 || m_clientSocket.IsConnect()) { KillTimer(1); KillTimer(2); if (TryCount >=10) AfxMessageBox("Connect Failed!"); return; } break; case 2: { static BOOL bOne=TRUE; bOne=!bOne; HICON hIcon=AfxGetApp()->LoadIcon((bOne)?IDI_NET1:IDI_NET2); m_iconstate.SetIcon(hIcon); } break; } CDialog::OnTimer(nIDEvent); } void CNetDlg::OnStop() { // TODO: Add your control notification handler code here if(!NetType) { m_srvrSo