Visual C++(MFC)实现C/S

Posted 2020-07-02 虹小猫

C/S源码见日志文尾

该代码仅是关键代码

• Server

<pre name="code" class="cpp">// ServerDlg.cpp : implementation file
#include "stdafx.h"
#include "Server.h"
#include "ServerDlg.h"
#include "ListenSocket.h"

#include "CLientSocket.h"
#include "../Content/UserType.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()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg dialog

CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)
: CDialog(CServerDlg::IDD, pParent)
{

//读取配置文件
m_uPort = GetPrivateProfileInt(_T("NET"), _T("SERVERPORT"), 8811, _T("./Server.ini"));

GetPrivateProfileString(_T("NET"), _T("SERVERIP"), 
_T("127.0.0.1"),m_strIP.GetBuffer(15), 15, _T("./Server.ini"));

//{{AFX_DATA_INIT(CServerDlg)
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_Logo);
}

void CServerDlg::DoDataExchange(CDataExchange* pDX)
{
//设置默认按钮
this->SetDefID(IDC_BUTTON_StartServer);

CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CServerDlg)
DDX_Control(pDX, IDC_LIST_ServerOnLineList, m_ServerOnLine);
DDX_Text(pDX, IDC_EDIT_SerPort, m_uPort);
DDX_Text(pDX, IDC_EDIT_IP, m_strIP);
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServerDlg, CDialog)
//{{AFX_MSG_MAP(CServerDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_StartServer, OnBUTTONStartServer)
ON_BN_CLICKED(IDC_BUTTON_PauseServer, OnBUTTONPauseServer)
ON_WM_CLOSE()
//}}AFX_MSG_MAP
ON_MESSAGE(UD_NETPACK, OnNetRecv)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg message handlers

BOOL CServerDlg::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

//服务器未启动时，暂停按钮不可用
GetDlgItem(IDC_BUTTON_PauseServer)->EnableWindow(FALSE);

//设置服务器的IP地址
SetDlgItemText(IDC_IPADDRESS_IP, m_strIP);
//显示ListControl网格
m_ServerOnLine.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES|LVS_EX_HEADERDRAGDROP );
//设置ListControl的属性
m_ServerOnLine.InsertColumn(0, _T("序号"), LVCFMT_LEFT, 50, -1);
m_ServerOnLine.InsertColumn(1, _T("用户名"), LVCFMT_LEFT, 80, -1);
m_ServerOnLine.InsertColumn(2, _T("时间"), LVCFMT_LEFT, 160, -1);
m_ServerOnLine.InsertColumn(3, _T("事件"), LVCFMT_LEFT, 190, -1);



return TRUE; // return TRUE unless you set the focus to a control
}

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


void CServerDlg::OnBUTTONStartServer() 
{
UpdateData(TRUE);
if (m_Socket.m_hSocket != 0xffffffff)
{
return;
}
//	创建流式Socket 及 绑定
int res = m_Socket.Create(m_uPort, SOCK_STREAM, m_strIP);
if (!res)
{
MessageBox(_T("创建套接字失败"), _T("提示"), MB_ICONINFORMATION);
return;
}
//	监听
if (!m_Socket.Listen())
{
MessageBox(_T("监听失败"), _T("提示"), MB_ICONINFORMATION);
m_Socket.Close();	//监听失败关闭Socket
return;
}
//按下启动服务按钮后，将其设置为灰色不可用
GetDlgItem(IDC_BUTTON_StartServer)->EnableWindow(FALSE);

//服务器列表插入日志
InsertLog(_T("服务器"), _T("启动服务器"));

//按下启动服务按钮后，将暂停按钮设置可用
GetDlgItem(IDC_BUTTON_PauseServer)->EnableWindow(TRUE);
UpdateData(FALSE);

}

void CServerDlg::OnBUTTONPauseServer() 
{
//点击关闭服务器后将其按钮设置为不可用
GetDlgItem(IDC_BUTTON_PauseServer)->EnableWindow(FALSE);
NET_PACK pPack;
memset(&pPack, 0, sizeof(NET_PACK));
pPack.fun = SRVSTOP;
lstrcpy(pPack.Content, _T("服务器维护中..."));
list<CCLientSocket *>::iterator itr;
for (itr=CCLientSocket::m_plClient.begin(); itr!=CCLientSocket::m_plClient.end(); itr++)
{
(*itr)->Send(&pPack, sizeof(NET_PACK));
delete (*itr);
}

//清空链表
CCLientSocket::m_plClient.clear();
if (m_Socket.m_hSocket != 0xffffffff)
{	
m_Socket.Close();
//插入日志	
InsertLog(_T("服务器"), _T("关闭服务器"));

//按下暂停按钮后，将启动服务按钮设置可用
GetDlgItem(IDC_BUTTON_StartServer)->EnableWindow(TRUE);
}

}

void CServerDlg::InsertLog(CString strName, CString strEvent)
{
//获取行数
int iCount = m_ServerOnLine.GetItemCount();
m_iNumber.Format("%d", iCount+1);
m_ServerOnLine.InsertItem(iCount, m_iNumber);
m_ServerOnLine.SetItemText(iCount, 1, strName);
//获取服务器启动的时间
CTime StartTime = CTime::GetCurrentTime();
CString SerStartTime = StartTime.Format(_T("%Y/%m/%d %H:%M:%S"));
m_ServerOnLine.SetItemText(iCount, 2, SerStartTime);
m_ServerOnLine.SetItemText(iCount, 3, strEvent);

}

LRESULT CServerDlg::OnNetRecv(WPARAM wParam, LPARAM lParam)
{
NET_PACK *pPack = (NET_PACK *)wParam;
CCLientSocket *pClient = (CCLientSocket *)lParam;
switch(pPack->fun)
{
case LOGIN:
DealLogin(pPack->SenderID, pClient);

break;
case LOGOUT:
DealLogout(pPack->SenderID);

break;
case TRANSMIT:
DealTransmit(pPack);
break;
case SENDUSERLIST:
SendToClientOLUserList(pPack->ReceiveID);
break;
}

delete pPack;
pPack = NULL;

return 0;
}

void CServerDlg::DealLogin(CString strName, CCLientSocket *pClient)
{
NET_PACK pack;
//初始化网络包
memset(&pack, 0, sizeof(NET_PACK));

CCLientSocket *pSocket = FindClientSocket(strName);
if (pSocket == NULL)
{
//未登录
pack.fun = LOGOK;
/*	CString UserList;
UserList.Format(_T("%s 在线"), strName);
lstrcpy(pack.Content, UserList);
pClient->Send(&pack, sizeof(NET_PACK));*/

pClient->m_strName = strName;
CCLientSocket::m_plClient.push_back(pClient);
InsertLog(strName, strName+_T(" 登陆成功"));

}
else
{
//用户已登录
pack.fun = LOGERR;
lstrcpy(pack.Content, _T("该用户已登录"));
pClient->Send(&pack, sizeof(NET_PACK));
pClient->Close();
}

SendToClientOLUserList(strName);
}

CCLientSocket * CServerDlg::FindClientSocket(CString strName, BOOL bRemove)
{
CCLientSocket* pClient = NULL;
list<CCLientSocket*>::iterator itr;
for (itr=CCLientSocket::m_plClient.begin(); itr!=CCLientSocket::m_plClient.end(); itr++)
{
if ((*itr)->m_strName == strName)
{
pClient = *itr;
if (bRemove)
{
CCLientSocket::m_plClient.erase(itr);
}
break;
}
}

return pClient;
}

void CServerDlg::DealLogout(CString strName)
{
CCLientSocket* pSocket = FindClientSocket(strName, TRUE);
if (pSocket)
{
delete pSocket;
pSocket = NULL;
InsertLog(strName, strName+_T(" 注销成功"));
}

}

void CServerDlg::DealTransmit(NET_PACK *pPack)
{

CCLientSocket *pSocket = FindClientSocket(pPack->ReceiveID);
if (pSocket)
{
pSocket->Send(pPack, sizeof(NET_PACK));
}
}

void CServerDlg::OnClose() 
{
OnBUTTONPauseServer();

CDialog::OnClose();
}



BOOL CServerDlg::PreTranslateMessage(MSG* pMsg) 
{
//屏蔽ESC
if (pMsg->message == WM_KEYDOWN)
{
switch(pMsg->wParam)
{
case VK_ESCAPE:
return TRUE;
}
}

return CDialog::PreTranslateMessage(pMsg);
}

void CServerDlg::SendToClientOLUserList(CString strName)
{

NET_PACK pack;
memset(&pack, 0, sizeof(NET_PACK));

pack.fun = SENDUSERLIST;
CString UserList;
UserList.Format(_T("%s (在线)"), strName);
lstrcpy(pack.Content, UserList);
list<CCLientSocket *>::iterator itr;
for (itr=CCLientSocket::m_plClient.begin(); itr!=CCLientSocket::m_plClient.end(); itr++)
{
(*itr)->Send(&pack, sizeof(NET_PACK));
//delete (*itr);
}

}


// ListenSocket.cpp : implementation file
//
/******************************************************************************************************************************************/
#include "stdafx.h"
#include "Server.h"
#include "ListenSocket.h"
#include "CLientSocket.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CListenSocket

CListenSocket::CListenSocket()
{
}

CListenSocket::~CListenSocket()
{
}


// Do not edit the following lines, which are needed by ClassWizard.
#if 0
BEGIN_MESSAGE_MAP(CListenSocket, CSocket)
//{{AFX_MSG_MAP(CListenSocket)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
#endif	// 0

/////////////////////////////////////////////////////////////////////////////
// CListenSocket member functions

void CListenSocket::OnAccept(int nErrorCode) 
{
CCLientSocket *pClient = new CCLientSocket;
Accept(*pClient);

CSocket::OnAccept(nErrorCode);
}

// CLientSocket.cpp : implementation file
//

/******************************************************************************************************************************************/
#include "stdafx.h"
#include "Server.h"
#include "CLientSocket.h"

#include "../Content/UserType.h"
#include "ServerDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CCLientSocket

list<CCLientSocket *> CCLientSocket::m_plClient;

CCLientSocket::CCLientSocket()
{
m_strName = _T("");
}

CCLientSocket::~CCLientSocket()
{
}


// Do not edit the following lines, which are needed by ClassWizard.
#if 0
BEGIN_MESSAGE_MAP(CCLientSocket, CSocket)
//{{AFX_MSG_MAP(CCLientSocket)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
#endif	// 0

/////////////////////////////////////////////////////////////////////////////
// CCLientSocket member functions

void CCLientSocket::OnReceive(int nErrorCode) 
{


NET_PACK *pPack = new NET_PACK;
Receive(pPack, sizeof(NET_PACK));
//////////////////////////////////////////////////////////////////////////
//将接收到的数据包发送给主对话框处理
//////////////////////////////////////////////////////////////////////////
//获取主对话框的地址 
CServerDlg *pDlg = (CServerDlg *)AfxGetApp()->m_pMainWnd;
//给主对话框发送UD_NETPACK消息
pDlg->PostMessage(UD_NETPACK, (WPARAM)pPack, (LPARAM)this);

CSocket::OnReceive(nErrorCode);
}

/******************************************************************************************************************************************/
//定义的用户数据包

#ifndef _USER_TYPE_
#define _USER_TYPE_
//功能号
typedef enum{LOGIN = 1, LOGOUT, LOGERR, LOGOK, TRANSMIT, SRVSTOP, SENDUSERLIST}FUN;

//定义数据包
typedef struct
{
FUN	fun;
char	SenderID[32];
char	ReceiveID[32];
char	Content[1024];
}NET_PACK;
#endif

•  Client

// ClientDlg.cpp : implementation file
#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"

#include "../Content/UserType.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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{

	color = RGB(0, 0, 255);
	//{{AFX_DATA_INIT(CClientDlg)
	m_Name = _T("");
	m_Input = _T("");
	m_Receiver = _T("");
	m_MsgList = _T("");
	m_strAddUserName = _T("");
	//}}AFX_DATA_INIT

	//读取配置文件
	m_uPort = GetPrivateProfileInt(_T("NET"), _T("CLIENTPORT"), 8000, _T("./Client.ini"));
	GetPrivateProfileString(_T("NET"), _T("CLIENTIP"), 
		_T("127.0.0.1"), m_strIP.GetBuffer(15), 15, _T("./Client.ini"));
	
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON_Client);
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	//设置默认按钮
	this->SetDefID(IDC_BUTTON_Send);
	//设置默认焦点
	GetDlgItem(IDC_EDIT_Input)->SetFocus();
	
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_LIST_UserList, m_UserList);
	DDX_Text(pDX, IDC_EDIT_Name, m_Name);
	DDX_Text(pDX, IDC_EDIT_Input, m_Input);
	DDX_Text(pDX, IDC_EDIT_Recver, m_Receiver);
	DDX_Text(pDX, IDC_EDIT_MsgList, m_MsgList);
	DDX_Text(pDX, IDC_EDIT_Addfri, m_strAddUserName);
	//}}AFX_DATA_MAP
	
	
}
BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_Login, OnBUTTONLogin)
	ON_BN_CLICKED(IDC_BUTTON_Logout, OnBUTTONLogout)
	ON_BN_CLICKED(IDC_BUTTON_Send, OnBUTTONSend)
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_BUTTON_Exit, OnBUTTONExit)
	ON_BN_CLICKED(IDC_BUTTON_AddFriend, OnBUTTONAddFriend)
	ON_NOTIFY(NM_CLICK, IDC_LIST_UserList, OnClickLISTUserList)
	//}}AFX_MSG_MAP
	ON_MESSAGE(UD_NETPACK, OnNetRecv)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::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

	//初始化用户的ListBox
	m_UserList.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES|LVS_EX_HEADERDRAGDROP);
	m_UserList.InsertColumn(0, _T("序号"), LVCFMT_LEFT, 48, -1);
	m_UserList.InsertColumn(1, _T("用户名"), LVCFMT_LEFT, 150, -1);

	//将部分按钮初始化为不可用，登陆成功后方可使用
	InitBtnStatus();


	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CClientDlg::OnBUTTONLogin() 
{
	UpdateData(TRUE);

	if (m_Socket.m_hSocket != 0xffffffff)
	{
		return;
	}
	if (m_Name.IsEmpty())
	{

		MessageBox(_T("账号不能为空"), _T("提示"), MB_ICONINFORMATION);
		return;
	}
	// 创建Socket
	if (!m_Socket.Create())
	{
		MessageBox(_T("创建套接字失败"), _T("提示"), MB_ICONINFORMATION);
		return;
	}
	// 连接服务器
	
	if (!m_Socket.Connect(m_strIP, m_uPort))
	{
		MessageBox(_T("连接服务器失败"), _T("提示"), MB_ICONINFORMATION);
		m_Socket.Close();	//关闭Socket
		return;
	}

	//登陆成功后设置各按钮的状态
	LogOkBtnStatus();
	//登陆成功后字体设置为蓝色
	SetUsetListColor(RGB(0, 0, 255));

	UpdateData(FALSE);
	//定义网络包
	NET_PACK pack;
	memset(&pack, 0, sizeof(NET_PACK));
	pack.fun = LOGIN;
	lstrcpy(pack.SenderID, m_Name);
	//发送数据
	m_Socket.Send(&pack, sizeof(NET_PACK));

}
LRESULT CClientDlg::OnNetRecv(WPARAM wParam, LPARAM lParam)
{
	NET_PACK *pPack = (NET_PACK *)wParam;
	switch (pPack->fun)
	{
	case LOGERR://登录失败
		DealLogErr(pPack->Content);
		break;
	case LOGOK://登陆成功
		DealLogOk(pPack->Content);
		break;
	case TRANSMIT://转发消息
		DealTransmit(pPack);
		break;
	case SRVSTOP://服务器停止
		DealSrvStop(pPack->Content);
		break;
	case SENDUSERLIST:
		RecvUserList(pPack->Content);
		break;
	}
	delete pPack;
	pPack = NULL;
	
	return 0;
}

void CClientDlg::OnBUTTONLogout() 
{

	//定义网络包
	NET_PACK pack;
	memset(&pack, 0, sizeof(NET_PACK));
	pack.fun = LOGOUT;
	lstrcpy(pack.SenderID, m_Name);
	//发送数据
	m_Socket.Send(&pack, sizeof(NET_PACK));
	//0  表示不接受数据
	m_Socket.ShutDown(0);
	m_Socket.Close();	//关闭Socket
	
	CString Status;
	Status.Format(_T("%s (离线)"), m_Name);
	//插入用户状态
	InsertUser(Status);
/*	CString m_iNumber, str;
	int iCount = m_UserList.GetItemCount();
	for	(int i=-1; i<iCount; i++)
	{
		str = m_UserList.GetItemText(i++, 1);
		if (str.Right(7) == _T(" (在线)"))
		{
			m_UserList.DeleteItem(i);
			m_UserList

		//	return;
		}
	}
	*/
	//用户离线，字体设置为灰色
	SetUsetListColor(RGB(127, 127, 127));
	//注销后各按钮的状态
	LogOutBtnStatus();

}

void CClientDlg::OnBUTTONSend() 
{
	UpdateData(TRUE);
	if (m_Receiver.IsEmpty())
	{
		MessageBox(_T("请先选择接收对象"), _T("提示"), MB_ICONINFORMATION);
		return;
	}
	
	//定义网络包
	NET_PACK pack;
	memset(&pack, 0, sizeof(NET_PACK));
	pack.fun = TRANSMIT;
	lstrcpy(pack.SenderID, m_Name);
	lstrcpy(pack.ReceiveID, m_Receiver);
	lstrcpy(pack.Content, m_Input);
	//发送数据,若发送内容为空返回且不发送
	if (m_Input.IsEmpty())
	{
		MessageBox(_T("发送内容不能为空，请重新输入！"), _T("提示"), MB_ICONINFORMATION);
		return;
	}
	m_Socket.Send(&pack, sizeof(NET_PACK));
	//获取系统时间
	CString strTime, strInfo;
	CTime tm = CTime::GetCurrentTime();
	strTime = tm.Format(_T("%Y-%m-%d %H:%M:%S"));
	strInfo.Format(_T(" %s\r\n【%s】：%s\r\n"), strTime, m_Name, m_Input);	
	m_MsgList += strInfo;
	//发送成功后清空发送编辑框
	m_Input = _T("");

	UpdateData(FALSE);
}

void CClientDlg::DealLogOk(CString strContent)
{
//	InsertUser(strContent);

	//MessageBox(strContent, _T("提示"),	MB_ICONINFORMATION);
}

void CClientDlg::DealLogErr(CString strContent)
{
	//若该用户已登录则设置登录按钮可用
	LogOutBtnStatus();
	m_Socket.Close();	//关闭Socket
	MessageBox(strContent, _T("提示"), MB_ICONINFORMATION);

}

void CClientDlg::DealTransmit(NET_PACK *pPack)
{
	UpdateData(TRUE);
	CString strTime, strInfo;
	//获取系统时间
	CTime tm = CTime::GetCurrentTime();
	strTime = tm.Format("%Y-%m-%d %H:%M:%S");
	strInfo.Format(_T(" %s\r\n【%s】：%s\r\n"), strTime, pPack->SenderID, pPack->Content);	

	m_MsgList += strInfo;
	UpdateData(FALSE);
	
	
}

void CClientDlg::DealSrvStop(CString  strContent)
{

	m_Socket.Close();	//关闭Socket
	m_UserList.DeleteAllItems();
	LogOutBtnStatus();
	MessageBox(strContent, _T("提示"));
	
	
}

void CClientDlg::OnClose() 
{
	OnBUTTONLogout();
	
	CDialog::OnClose();
}

void CClientDlg::OnBUTTONExit() 
{
	if (IDOK == MessageBox(_T("确定关闭并退出吗？"), _T("温馨提示"), MB_OKCANCEL|MB_ICONQUESTION))
	{
		OnBUTTONLogout();
		::PostMessage(AfxGetMainWnd()->GetSafeHwnd(), WM_CLOSE, 0, 0);
	}
		
}

void CClientDlg::InsertUser(CString strUserName)
{	
	int iCount = m_UserList.GetItemCount();
	m_iItem.Format("%d", iCount+1);
	m_UserList.InsertItem(iCount, m_iItem);
	m_UserList.SetItemText(iCount, 1, strUserName);
	
}

BOOL CClientDlg::PreTranslateMessage(MSG* pMsg) 
{
	//屏蔽ESC
	if (pMsg->message == WM_KEYDOWN)
	{
		switch(pMsg->wParam)
		{
		case VK_ESCAPE:
			return TRUE;
		}
	}
	
	return CDialog::PreTranslateMessage(pMsg);
}

void CClientDlg::LogOkBtnStatus()
{
	//登陆成功后，将注销按钮设置为可用
	GetDlgItem(IDC_BUTTON_Logout)->EnableWindow(TRUE);
	//登陆成功后，将登陆按钮设置为不可用
	GetDlgItem(IDC_BUTTON_Login)->EnableWindow(FALSE);
	//登陆成功后，将发送按钮设置为可用
	GetDlgItem(IDC_BUTTON_Send)->EnableWindow(TRUE);
	//登陆成功后，将添加好友按钮设置为可用
	GetDlgItem(IDC_BUTTON_AddFriend)->EnableWindow(TRUE);
	//登陆成功后，将添加好友编辑框设置为可用
	GetDlgItem(IDC_EDIT_Addfri)->EnableWindow(TRUE);
	//登陆成功后，将发送消息编辑框设置为可用
	GetDlgItem(IDC_EDIT_Input)->EnableWindow(TRUE);
	//登陆成功后，将接收者编辑框设置为可用
	GetDlgItem(IDC_EDIT_Recver)->EnableWindow(TRUE);
	//登陆成功后，将用户列表设置为可用
	GetDlgItem(IDC_LIST_UserList)->EnableWindow(TRUE);


}

void CClientDlg::LogOutBtnStatus()
{
	//点击注销按钮后 将其设置为不可用
	GetDlgItem(IDC_BUTTON_Logout)->EnableWindow(FALSE);
	//点击注销按钮后 将登陆按钮设置为可用
	GetDlgItem(IDC_BUTTON_Login)->EnableWindow(TRUE);
	//点击注销按钮后 将发送按钮设置为不可用
	GetDlgItem(IDC_BUTTON_Send)->EnableWindow(FALSE);
	//点击注销按钮后 将添加好友按钮设置为不可用
	GetDlgItem(IDC_BUTTON_AddFriend)->EnableWindow(FALSE);
	//点击注销按钮后 将添加好友编辑框设置为不可用
	GetDlgItem(IDC_EDIT_Addfri)->EnableWindow(FALSE);
	//点击注销按钮后 将发送消息编辑框设置为不可用
	GetDlgItem(IDC_EDIT_Input)->EnableWindow(FALSE);
	//点击注销按钮后 将接收者编辑框设置为不可用
	GetDlgItem(IDC_EDIT_Recver)->EnableWindow(FALSE);
	//点击注销按钮后 将用户列表设置为不可用
	GetDlgItem(IDC_LIST_UserList)->EnableWindow(FALSE);

}

void CClientDlg::RecvUserList(CString strContent)
{
	InsertUser(strContent);
}

void CClientDlg::SetUsetListColor(COLORREF color)
{
	m_UserList.SetTextColor(color);
}

void CClientDlg::OnBUTTONAddFriend() 
{
	UpdateData(TRUE);
	if (m_strAddUserName.IsEmpty())
	{
		MessageBox(_T("对方账号不能为空"), _T("温馨提示"), MB_ICONINFORMATION);
		return;
	}
	CString m_iNumber, str;
	int iCount = m_UserList.GetItemCount();
	for	(int i=0; i<iCount; i++)
	{
		str = m_UserList.GetItemText(i++, 1);
		
		if (m_strAddUserName == str.Left(str.GetLength()-7))
		{
			MessageBox(_T("该用户已经是你的好友，不能重复添加。"));
			return;
		}

	}
	//m_UserList.InsertItem(iCount, m_iNumber);
//	m_UserList.SetItemText(iCount, 1, m_strAddUserName);
	
	InsertUser(m_strAddUserName);
	m_strAddUserName = _T("");
	UpdateData(FALSE);		
}

void CClientDlg::OnClickLISTUserList(NMHDR* pNMHDR, LRESULT* pResult) 
{
	UpdateData(TRUE);
	int nItem = -1;
	LPNMITEMACTIVATE lpNMItemActivate = (LPNMITEMACTIVATE)pNMHDR;
	if(lpNMItemActivate != NULL)
	{
		nItem = lpNMItemActivate->iItem;
	}

	CString  strName, Extra;
	strName.Format("%d",nItem);
	strName =  m_UserList.GetItemText(nItem,1);
	//在线用户，则提取其最左边的账号
	if (strName.GetLength() > 7)
	{
		m_Receiver = strName.Left(strName.GetLength()-7);
	}
	else
	{
		//添加的好友则直接获取账号
		m_Receiver = strName;
	}
	
	UpdateData(FALSE);

	*pResult = 0;
}

void CClientDlg::InitBtnStatus()
{
	//未登陆之前，注销按钮不可用
	GetDlgItem(IDC_BUTTON_Logout)->EnableWindow(FALSE);
	//未登陆之前，发送按钮不可用
	GetDlgItem(IDC_BUTTON_Send)->EnableWindow(FALSE);	
	//未登陆之前，添加好友按钮不可用
	GetDlgItem(IDC_BUTTON_AddFriend)->EnableWindow(FALSE);	
	//未登陆之前，添加好友编辑框不可用
	GetDlgItem(IDC_EDIT_Addfri)->EnableWindow(FALSE);
	//未登陆之前， 发送消息编辑框不可用
	GetDlgItem(IDC_EDIT_Input)->EnableWindow(FALSE);
	//未登陆之前， 接收者编辑框不可用
	GetDlgItem(IDC_EDIT_Recver)->EnableWindow(FALSE);
	//未登陆之前， 用户列表不可用
	GetDlgItem(IDC_LIST_UserList)->EnableWindow(FALSE);
}
/***************************************************************************************************************************************/
// ClientSocket.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientSocket.h"

#include "ClientDlg.h"
#include "../Content/UserType.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CClientSocket

CClientSocket::CClientSocket()
{
}

CClientSocket::~CClientSocket()
{
}


// Do not edit the following lines, which are needed by ClassWizard.
#if 0
BEGIN_MESSAGE_MAP(CClientSocket, CSocket)
	//{{AFX_MSG_MAP(CClientSocket)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
#endif	// 0

/////////////////////////////////////////////////////////////////////////////
// CClientSocket member functions

void CClientSocket::OnReceive(int nErrorCode) 
{	
	NET_PACK *pPack = new NET_PACK;
	Receive(pPack, sizeof(NET_PACK));

	//获取主对话框的地址 
	CClientDlg *pDlg = (CClientDlg *)AfxGetApp()->m_pMainWnd;
	pDlg->PostMessage(UD_NETPACK, (WPARAM)pPack, NULL);

	CSocket::OnReceive(nErrorCode);
}

/***********************************************************************************************************************************/
#ifndef _USER_TYPE_
#define _USER_TYPE_
//功能号
typedef enum{LOGIN = 1, LOGOUT, LOGERR, LOGOK, TRANSMIT, SRVSTOP, SENDUSERLIST}FUN;

//定义数据包
typedef struct
{
	FUN		fun;
	char	SenderID[32];
	char	ReceiveID[32];
	char	Content[1024];
}NET_PACK;

C/S源码链接（密码：pehe）