#include <windows.h>#include <iostream>#include <stdio.h>#include "Iphlpapi.h"#pragma comment(lib,"Iphlpapi")#pragma comment(lib,"WS2_32")using namespace std;u_char g_ucLocalMac[6];DWORD  g_dwGatewayIP;DWORD  g_dwLocalIP;DWORD  g_dwMask;BOOL GetGlobalData(){ ZeroMemory(g_ucLocalMac,6); PIP_ADAPTER_INFO pAdapterInfo=NULL; ULONG ulLen=0; //为适配器结构申请内存 ::GetAdaptersInfo(pAdapterInfo,&ulLen); pAdapterInfo=(PIP_ADAPTER_INFO)::GlobalAlloc(GPTR,ulLen); //获取本地适配器结构信息 if(::GetAdaptersInfo(pAdapterInfo,&ulLen) ==  ERROR_SUCCESS) { if(pAdapterInfo != NULL) { memcpy(g_ucLocalMac, pAdapterInfo->Address, 6); g_dwGatewayIP = ::inet_addr(pAdapterInfo->GatewayList.IpAddress.String); g_dwLocalIP = ::inet_addr(pAdapterInfo->IpAddressList.IpAddress.String); g_dwMask = ::inet_addr(pAdapterInfo->IpAddressList.IpMask.String); } } cout<<"--------------输出本机IP地址----------"<<endl<<endl; in_addr in; in.S_un.S_addr=g_dwLocalIP; cout<<"  IP地址: "<<inet_ntoa(in)<<endl; in.S_un.S_addr=g_dwMask; cout<<"子网掩码:"<<inet_ntoa(in)<<endl; in.S_un.S_addr=g_dwGatewayIP; cout<<"  网关号:"<<inet_ntoa(in)<<endl;/* u_char *p = g_ucLocalMac; printf("MAC地址 : %02X-%02X-%02X-%02X-%02X-%02X \n", p[0], p[1], p[2], p[3], p[4], p[5]);*/ u_char *p = g_ucLocalMac; cout<<"MAC地址:"<<hex <<setw(2)<< *(BYTE*)&p[0] <<'-'<<*(BYTE*)&p[1]<<'-'<<*(BYTE*)&p[2]<<'-'<<*(BYTE*)&p[3]<<'-'<<*(BYTE*)&p[4]<<'-'<<*(BYTE*)&p[5]<<endl; return TRUE;}

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