本文共 2417 字，大约阅读时间需要 8 分钟。

服务端：

 

//***********************************

//*********tcp服务端*****************//***********************************#include <WINSOCK2.H>#include <stdio.h>#include <string.h>#include <time.h>

void main()

{  WORD wVersion; WSADATA wsaData; int err;

 wVersion = MAKEWORD(1,1);

 err = WSAStartup(wVersion,&wsaData); if (err != 0) {   return ; }

 if (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1)

 {   WSACleanup();  return ; }  SOCKET sockSrc = socket(AF_INET,SOCK_STREAM,0); SOCKADDR_IN addrSrv; addrSrv.sin_addr.S_un.S_addr = htonl(INADDR_ANY); addrSrv.sin_family = AF_INET; addrSrv.sin_port   = htons(6000);

 bind(sockSrc,(SOCKADDR *)&addrSrv,sizeof(SOCKADDR));

 listen(sockSrc,5);

 

 SOCKADDR_IN addClient; int len = sizeof(SOCKADDR);

 while (1)

 {   SOCKET sockConn = accept(sockSrc,(SOCKADDR *)&addClient,&len);  char sendBuf[100];  sprintf(sendBuf,"welcome %s to ));  //   DWORD dwTime = 0;//   dwTime = GetTickCount();    time_t t_long;// = (long)dwTime;  time(&t_long);  tm *ttime =  localtime(&t_long);  printf(" timer of current = %d/n",ttime->tm_sec);  send(sockConn,sendBuf,strlen(sendBuf)+1,0);  // = (long)dwTime;  time(&t_long);  ttime =  localtime(&t_long);  printf(" timer of after = %d/n",ttime->tm_sec);  char recvBuf[100];  recv(sockConn,recvBuf,100,0);  printf("%s/n",recvBuf);  closesocket(sockConn); }}

 

客户端：

//***********************************

//*********tcp客户端*****************//***********************************#include <WINSOCK2.H>#include <stdio.h>#include <string.h>

void main()

{  WORD wVersion; WSADATA wsaData; int err;

 wVersion = MAKEWORD(1,1);

 err = WSAStartup(wVersion,&wsaData); if (err != 0) {   return ; }

 if (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1)

 {   WSACleanup();  return ; }  SOCKET sockClient = socket(AF_INET,SOCK_STREAM,0); SOCKADDR_IN addrSrv; addrSrv.sin_addr.S_un.S_addr = inet_addr("127.0.0.1"); addrSrv.sin_family = AF_INET; addrSrv.sin_port   = htons(6000);

 connect(sockClient,(SOCKADDR *)&addrSrv,sizeof(SOCKADDR));

 //listen(sockSrc,5);

//  SOCKADDR_IN addClient;

//  int len = sizeof(SOCKADDR);

//  while (1)

//  { //  SOCKET sockConn = accept(sockSrc,(SOCKADDR *)&addClient,&len); // char sendBuf[100]; // sprintf(sendBuf,"welcome %s to ));

 // send(sockConn,sendBuf,strlen(sendBuf)+1,0);

  char recvBuf[100];  recv(sockClient,recvBuf,100,0);  printf("%s/n",recvBuf);  send(sockClient,"this is lisi",strlen("this is lisi")+1,0);  closesocket(sockClient);  WSACleanup();/* }*/}

转载地址：http://lxuli.baihongyu.com/