#include "Winsock2.h "
#pragma comment(lib, "Ws2_32.lib")
/// 注意字符串需以\0结尾 。 例如:lpzSeverName = " www.baidu.com/0";
bool WINAPI Domain2IP(char* lpzSeverName, TString & strIp)
{
if (!lpzSeverName)return false;
WORD wVersionRequested = MAKEWORD(1, 1);
WSADATA wsaData;
ZeroMemory(&wsaData, sizeof(wsaData));
WSAStartup(wVersionRequested, &wsaData);
hostent* pHostent = gethostbyname(lpzSeverName);
sockaddr_in sa;
ZeroMemory(&sa, sizeof(sa));
memcpy(&sa.sin_addr.s_addr,pHostent-> h_addr_list[0],pHostent-> h_length);
std::string strTemp = inet_ntoa(sa.sin_addr);//IP
WSACleanup();
TCHAR* lpzResult = NULL ;
if (!strTemp.c_str())return false;
int nLen = 0;
#ifdef UNICODE
nLen = ::MultiByteToWideChar(CP_ACP, 0, strTemp.c_str(), -1, NULL, 0); //include '\0'
lpzResult = new wchar_t [nLen];
::MultiByteToWideChar(CP_ACP, 0, strTemp.c_str(), -1, lpzResult, nLen);
#else
nLen = strlen(lpzByte);
lpzResult = new char[nLen + 1];
StringCbCopy(lpzResult, nLen + 1, strTemp.c_str());
#endif
strIp = lpzResult;
SAFE_DELETE(lpzResult);
return true;
}