socket 编程之TCP服务端与客户端_tcp socket command-优快云博客

本文提供了一组基于C++的网络编程示例代码，包括服务端与客户端的实现细节，通过TCP协议进行数据交互。服务端监听6000端口并接收来自客户端的数据，同时也能发送消息给客户端。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

服务端

<pre name="code" class="cpp">#include <WinSock2.h>
#include <ws2tcpip.h>
#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
//注意windows.h要放在最后
#pragma comment (lib,"Ws2_32.lib")
#pragma comment (lib,"Mswsock.lib")
#pragma comment (lib,"AdvApi32.lib")

int _cdecl main(int argc,char * argv[])
{
      WORD wVersionRequest;
	  WSADATA wsaData;
	  int err;

	  wVersionRequest=MAKEWORD(2,2);
	  err=WSAStartup(wVersionRequest,&wsaData);
	  if(err!=0)
		  return 1;
	  if(LOBYTE(wsaData.wVersion)!=2||HIBYTE(wsaData.wVersion)!=2)
	  {
		  WSACleanup();
	    return 1;
	  }

	  SOCKET sockListen=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);

	  SOCKADDR_IN addrSvr;
	  addrSvr.sin_addr.S_un.S_addr=htonl(INADDR_ANY);
	  addrSvr.sin_family=AF_INET;
	  addrSvr.sin_port=htons(6000);
      
	  bind(sockListen,(SOCKADDR *)&addrSvr,sizeof(SOCKADDR));
	  listen(sockListen,5);
	  
	 
	  SOCKADDR_IN addrClient;
	  int len=sizeof(SOCKADDR_IN);
	   SOCKET sockClient=accept(sockListen,(SOCKADDR *)&addrClient,&len);
	  while(1)
	  {
		 
		  char sendBuf[100];
		   printf("notebook: \n");
		  gets(sendBuf);
		 
		  send(sockClient,sendBuf,strlen(sendBuf)+1,0);
          char recvBuf[100];
		  recv(sockClient,recvBuf,100,0);
		  printf("PC: \n  %s \n",recvBuf);
		


	  
	  }
	    closesocket(sockClient);
		return 0;

}

客户端

<pre name="code" class="cpp">#include <WinSock2.h>
#include <ws2tcpip.h>
#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
#pragma comment (lib,"Ws2_32.lib")

int _cdecl main(int argc,char * argv[])
{
      WORD wVersionRequest;
	  WSADATA wsaData;
	  int err;

	  wVersionRequest=MAKEWORD(2,2);
	  err=WSAStartup(wVersionRequest,&wsaData);
	  if(err!=0)
		  return 1;
	  if(LOBYTE(wsaData.wVersion)!=2||HIBYTE(wsaData.wVersion)!=2)
	  {
		  WSACleanup();
	    return 1;
	  }
      
	  SOCKET sockClient=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
	  SOCKADDR_IN addrSvr;
	  addrSvr.sin_family=AF_INET;
	  addrSvr.sin_port=htons(6000);
	  addrSvr.sin_addr.S_un.S_addr=inet_addr("192.168.0.113");

	  err=connect(sockClient,(sockaddr *)&addrSvr,sizeof(SOCKADDR));
	  if(err==SOCKET_ERROR)
		  return 1;
	  while(1)                                                                                                                                                                                                                                                   
	  {
	  char recvBuf[100];
	  memset(recvBuf,0,sizeof(recvBuf));
	  recv(sockClient,recvBuf,100,0);
	  printf(" notebook: \n  %s \n",recvBuf);
	  char sendBuf[100];
	   printf(" PC: \n");
	  gets(sendBuf);
	 
	  send(sockClient,sendBuf,strlen(sendBuf)+1,0);
	 
	  }
	   closesocket(sockClient);
	  WSACleanup();
		return 0;

}

注意服务端的ip地址为