#include<winsock2.h>
#include<iostream>
#include<string>
using namespace std;
#pragma comment(lib, "WS2_32.lib")
string getIP()
{
WSADATA WSAData;
char hostName[256];
if (!WSAStartup(MAKEWORD(2, 0),&WSAData))
{
if(!gethostname(hostName,sizeof(hostName)))
{
hostent *host=gethostbyname(hostName);
if(host!=NULL)
{
return inet_ntoa(*(struct in_addr*)*host->h_addr_list);
}
}
}
return "Get IP failed.";
}
int main()
{
cout<<"IP地址为:"<<getIP()<<endl;
system("pause");
return 0;
}
C++获取本机IP地址信息
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