建立win32控制台项目,然后新建cpp文件
server:
#include "WinSock2.h"
#include "stdio.h"
#pragma comment(lib,"Ws2_32.lib")//导入库,lib表示库," "表示库的名称
int main(int argc, CHAR* argv[])
{
//加载WinSock库
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 )
return 0;
if ( LOBYTE( wsaData.wVersion ) != 2 ||
HIBYTE( wsaData.wVersion ) != 2 ) {
WSACleanup( );
return 0;
}
SOCKET lSocket,aSocket;
SOCKADDR_IN AddrSer;
AddrSer.sin_family=AF_INET;
AddrSer.sin_port=htons(5000);
AddrSer.sin_addr.S_un.S_addr=htonl(INADDR_ANY);//INADDR_ANY表示接受任何机器的请求
lSocket=socket(AF_INET,SOCK_STREAM,0);
//绑定服务器地址
if(::bind(lSocket,(SOCKADDR*)&AddrSer,sizeof(SOCKADDR))==SOCKET_ERROR)
{
printf("绑定套接字失败");
return 0;
}
::listen(lSocket,1);//开始监听客户端的连接请求
SOCKADDR_IN AddrCli;//客户端的地址信息
int len=sizeof(SOCKADDR);
aSocket=::accept(lSocket,(SOCKADDR*)&AddrCli,&len);//连接成功时,产生新的socket用来与客户端通信
char recBuf[1024];
char senBuf[1024];
while (1)
{
//TCP下为recv与send,UDP下为recefrom与sendto
::recv(aSocket,recBuf,1024,0);
if (recBuf[0]=='#')
{
printf("客户端请求断开\n");
printf("正在断开...");
Sleep(3000);
break;
}
printf("客户端:%s\n",recBuf);
printf("服务器:");
gets_s(senBuf);//warming:gets()is unsafe
if (senBuf[0]=='#')
{
::send(aSocket,senBuf,1024,0);
printf("正在请求断开...\n");
Sleep(3000);
return 0;
}
//printf("服务器:%s\n",senBuf);
::send(aSocket,senBuf,1024,0);
memset(recBuf,' ',1024);
memset(senBuf,' ',1024);
}
::closesocket(aSocket);
::closesocket(lSocket);
::WSACleanup();
return 0;
}
编辑运行
再建立客户端项目 client,新建文件client.cpp
代码为:
#include "WinSock2.h"
#include "stdio.h"
#pragma comment(lib,"Ws2_32.lib")
int main(int argc, CHAR* argv[])
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 )
return 0;
if ( LOBYTE( wsaData.wVersion ) != 2 ||
HIBYTE( wsaData.wVersion ) != 2 ) {
WSACleanup( );
return 0;
}
SOCKET cSocket;
cSocket=socket(AF_INET,SOCK_STREAM,0);
SOCKADDR_IN addrSer;
addrSer.sin_family=AF_INET;
addrSer.sin_port=htons(5000);
addrSer.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");
if(::connect(cSocket,(SOCKADDR*)&addrSer,sizeof(SOCKADDR))==SOCKET_ERROR)
{
printf("连接服务器失败");
return 0;
}
char senBuf[1024];
char recBuf[1024];
while(1)
{
printf("客户端:");
gets_s(senBuf);
if (senBuf[0]=='#')
{
::send(cSocket,senBuf,1024,0);
printf("正在请求断开...\n");
Sleep(3000);
return 0;
}
//printf("客户端:%s\n",senBuf);
::send(cSocket,senBuf,1024,0);
::recv(cSocket,recBuf,1024,0);
if(recBuf[0]=='#')
{
printf("与服务器断开");
printf("正在断开...");
Sleep(3000);
break;
}
printf("服务器:%s\n",recBuf);
memset(recBuf,' ',1024);
memset(senBuf,' ',1024);
}
::closesocket(cSocket);
::WSACleanup();
return 0;
}
编辑运行。
然后呢,先启动server.exe,再启动client.exe 好了 可以简单地会话了,自己给自己聊天吧