mfc怎么获取计算机ip,MFC 获取实时IP地址

#if !defined(AFX_SOCKINFO_H__FA14210C_2BED_11D6_81EB_0080C8ED46AF__INCLUDED_)

#define AFX_SOCKINFO_H__FA14210C_2BED_11D6_81EB_0080C8ED46AF__INCLUDED_

#if _MSC_VER > 1000

#pragma once

#endif // _MSC_VER > 1000

#include "afxcmn.h"

#include "afxwin.h"

class CSockInfo

{

public:

static CString GetLocalHostIP();

static CString GetLocalHostName();

CSockInfo();

virtual ~CSockInfo();

};

#endif // !defined(AFX_SOCKINFO_H__FA14210C_2BED_11D6_81EB_0080C8ED46AF__INCLUDED_)

#include "stdafx.h"

#include "CSockInfo.h"

#include

#ifdef _DEBUG

#undef THIS_FILE

static char THIS_FILE[]=__FILE__;

#define new DEBUG_NEW

#endif

//

// Construction/Destruction

//

CSockInfo::CSockInfo()

{

}

CSockInfo::~CSockInfo()

{

}

CString CSockInfo::GetLocalHostName()

{

WORD wVersionRequested;

WSADATA wsaData;

char name[255];

memset(name,'\0',255);

wVersionRequested = MAKEWORD( 2, 0 );

if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )

{

if( gethostname (name, sizeof(name)) == 0)

{

return name;

}

WSACleanup( );

}

return "";

}

CString CSockInfo::GetLocalHostIP()

{

CString strIP("");

WORD wVersionRequested;

WSADATA wsaData;

char name[255];

memset(name,'\0',255);

PHOSTENT hostinfo;

wVersionRequested = MAKEWORD( 2, 0 );

if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )

{

if( gethostname ( name, sizeof(name)) == 0)

{

if((hostinfo = gethostbyname(name)) != NULL)

{

strIP= inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);

}

}

WSACleanup( );

}

return strIP;

}