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Server.cpp

// server.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include 
   
    #pragma comment(lib,"ws2_32.lib")int main(int argc, char* argv[]){	//加载winsock库	WSADATA wsaData;	WORD sockVersion = MAKEWORD(2,2);	if(WSAStartup(sockVersion,&wsaData)!=0)	   return 0;	//创建套接字	SOCKET sServer = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);                //创建socket	if(sServer==INVALID_SOCKET)	{	   printf("socket error\n");	   return 0;	}	//socket中装入地址信息	sockaddr_in sin;	sin.sin_family = AF_INET;	sin.sin_port = htons(1129);	sin.sin_addr.S_un.S_addr = INADDR_ANY;	//bind套接字	if(bind(sServer,(LPSOCKADDR)&sin,sizeof(sin)) == SOCKET_ERROR)           //绑定bind	{	   printf("bind error!\n");	   return 0;	}	//listen模式	if(listen(sServer,5) == SOCKET_ERROR)                                    //监听listen	{	   printf("listen error!\n");	   closesocket(sServer);	   return 0;	}	//循环接受连接请求	sockaddr_in remoteAddr;	SOCKET sClient;	int nAddrLen=sizeof(SOCKADDR_IN);	char revData[255];	int flag = 1;	char data[12]={'1','2','3','4','5','6','7','8','9','a','b','c'}; //待发送数据	int tmp = 0;	while(1)	{		tmp = 0;		//等待客户请求的到来	   sClient = accept (sServer,(SOCKADDR*)&remoteAddr,&nAddrLen);          //接受accept(阻塞) 等待请求   	   if(sClient==INVALID_SOCKET)	   {			printf("accept error\n");			continue;	   }	   printf("接受来自%s的连接.\n",inet_ntoa(remoteAddr.sin_addr));	   //发送数据	    while(flag)		{		   char SendData[4];		   int i,ch;		   for( i = 0; i<=2; i++)		   {				SendData[i] = data[i+tmp];		   }			if(tmp == 12)			{							   break;			}		   tmp = tmp + 3;			   SendData[i] = '\0';		   //SendData[i+1] = '\0';    		   send(sClient,SendData,4,0);		   printf("数据：%s\n",SendData);		}	/*	   while(true)	   {			int ret = recv(sClient,revData,255,0);			if(ret==0||(ret==SOCKET_ERROR&&WSAGetLastError()==WSAECONNRESET))			{				 printf("%s关闭连接\n",inet_ntoa(remoteAddr.sin_addr));				 closesocket(sClient);				 break;			}			else			{				 revData[ret]='\0';				 printf("%s",revData);			}	   }	   */		//关闭套接字（链接）		closesocket(sClient);	}	//关闭套接字	closesocket(sServer);	WSACleanup();	return 0;}
   

// client.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include 
   
    #pragma comment(lib,"ws2_32.lib")#include 
    
     #define PORT 1129#define ADDRESS "127.0.0.1"int main(int argc, char* argv[]){	//加载winsock库	WSADATA wsaData;	WORD sockVersion = MAKEWORD(2,2);	if(WSAStartup(sockVersion,&wsaData)!=0)	   return 0;	//创建套接字	SOCKET sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);                    //创建socket	if(sClient==INVALID_SOCKET)	{	   printf("socket error\n");	   return 0;	}	//socket中装入远程地址信息	SOCKADDR_IN remote;	remote.sin_family = AF_INET;	remote.sin_port = htons(1129);	remote.sin_addr.S_un.S_addr = inet_addr(ADDRESS);	if(connect(sClient,(SOCKADDR *)&remote,sizeof(SOCKADDR))==SOCKET_ERROR)      //连接connet	{	   printf("connect error\n");	   closesocket(sClient);	   return 0;	}	int index =0;	//接收数据（分段接收数据）	while(true)	{		char revData[4];		recv(sClient,revData,4,0);	                                            //接收recv				revData[3]='\0';		printf("%s\n",revData);		index = index +1;		if(index == 4)			break;			}	/*while(true)	{	   char SendData[255];	   int i,ch;	   for( i = 0; (i < 254) && ((ch = getchar()) != EOF) && (ch!='\n'); i++)	   SendData[i] = (char)ch;	   SendData[i] = '\n';	   SendData[i+1] = '\0';    	   send(sClient,SendData,i+2,0);	   printf("数据：%s\n",SendData);	}*/	//关闭套接字	closesocket(sClient);	WSACleanup();	return 0;}
    
   

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