imdlg.cpp

本系统所完成功能如下： &#61548 即时消息：用户之间发送即时消息。 &#61548 聊天纪录：聊天记录的保存及显示。 &#61548 注册：登陆界面即可进入注册界面 &#61548

// IMDlg.cpp : implementation file
//

#include "stdafx.h"
#include "IM.h"
#include "IMDlg.h"
#include "IM1.h"
#include "RegDlg.h"
extern int m_uid,total;
extern CString CRdir;
extern HWND IMhWnd;
extern SOCKET TCPsocket;

#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()

/////////////////////////////////////////////////////////////////////////////
// CIMDlg dialog

CIMDlg::CIMDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CIMDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CIMDlg)
	m_uPW = 0;
	m_nuid = 0;
	m_nPort = 0;
//	m_nCheck = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON);
}

void CIMDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CIMDlg)
	DDX_Text(pDX, IDC_EDIT2, m_uPW);
	DDX_Text(pDX, IDC_EDIT1, m_nuid);
	DDX_Text(pDX, IDC_EDIT3, m_nPort);
//	DDX_Check(pDX, IDC_CHECK2, m_nCheck);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CIMDlg, CDialog)
	//{{AFX_MSG_MAP(CIMDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_BTN_REG, OnBtnReg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CIMDlg message handlers

BOOL CIMDlg::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, IDI_ICON, 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
	
	//初始化TCP套接字
	InitTCPSocket();

	// TODO: Add extra initialization here
	m_uLogin=FALSE;
	SetDlgItemText(IDC_EDIT1,NULL);
	SetDlgItemText(IDC_EDIT2,NULL);
	SetDlgItemText(IDC_EDIT3,NULL);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CIMDlg::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 CIMDlg::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 CIMDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CIMDlg::OnOK() 
{
	// TODO: Add extra validation here

	UpdateData();//获取对话框数据内容

	CString str;
	char buffer[4];

	//标志a,代表客户端登陆请求 所属服务器A类服务
	str.Format("a%d#%d#%d",m_nuid,m_uPW,m_nPort);
	::send(TCPsocket,str,str.GetLength()+1,0);
	
	//判断是否登陆成功 等待服务器回复
	if(::recv(TCPsocket,buffer,4,0)==-1)
	{
		MessageBox("登陆失败！");
		exit(1);
	}
	else 
	{
		str.Format("%s",buffer);
		total=atoi(str);
	}
	EndDialog(1);
	m_uid=m_nuid;
	char sdir[100];

	//获取当前路径名
	GetCurrentDirectory(100,sdir);
	CRdir.Format("%s\\ChatRecord%d",sdir,m_nuid);
	str.Format("%s\\fenzu.ini",CRdir);
	FILE *R=fopen(str,"r+");
	
	//判断纪录文件是否存在
	if(R==NULL) 
	{
		//不存在？则新创建
		R=fopen(str,"w+");
		if(R==NULL) 
		{
			if (!SetCurrentDirectory(CRdir)) 
				CreateDirectory(CRdir, NULL);
			R=fopen(CRdir+"\\fenzu.ini","w+");
		}
		CRdir.Format(".\\ChatRecord%d",m_nuid);
		
		//在新建分组文件里写入基本组 我的好友
		WritePrivateProfileString("FriendGroup","Groupnum",
						"1",CRdir+"\\fenzu.ini");
		WritePrivateProfileString("FriendGroup","Groupname1",
						"我的好友",CRdir+"\\fenzu.ini");
	}
	fclose(R);
	
	IM dlg_IM;
	dlg_IM.m_nPort=m_nPort;
	dlg_IM.DoModal();
	IMhWnd=NULL;

	
	CDialog::OnOK();
}

void CIMDlg::OnBtnReg() 
{
	// TODO: Add your control notification handler code here
	RegDlg rd;
	rd.DoModal();
}




BOOL CIMDlg::InitTCPSocket()
{

	TCPsocket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
	if(INVALID_SOCKET==TCPsocket)
	{
		AfxMessageBox("TCP套接字创建失败！");
		exit(1);
	}
	SOCKADDR_IN servAddr;
	servAddr.sin_family=AF_INET;
	servAddr.sin_port=htons(700);
	servAddr.sin_addr.S_un.S_addr=inet_addr("59.72.27.169");
	/*注意 此处填服务器IP */;

	//连接服务器端
	if(::connect(TCPsocket, (SOCKADDR*)&servAddr, sizeof(servAddr)) == -1)
		{
			MessageBox("无法和服务器建立连接！");
			exit(0);
		}

	return TRUE;
}

void CIMDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	if(!TCPsocket)closesocket(TCPsocket);
	exit(0);
	CDialog::OnCancel();
}