// Thread.cpp : 定义控制台应用程序的入口点。  //      #include "stdafx.h"  #include <stdio.h>  #include <stdlib.h>  #include <winsock2.h>  #include <iostream>  #pragma comment(lib, "ws2_32.lib")  using namespace std;          #define PORT 4000  #define IP_ADDRESS "127.0.0.1"      //创建线程  DWORD WINAPI ClientThread (LPVOID ipParameter)  {      SOCKET ClientScoket  = (SOCKET)ipParameter;      int RET =  0;      char RecvBuffer[MAX_PATH];      //初始化 recvBuffer      while(true){      memset(RecvBuffer,0x00,sizeof(RecvBuffer));      RET  =  recv(ClientScoket,RecvBuffer,MAX_PATH,0);      if(RET == 0||RET == SOCKET_ERROR)      {          cout<<"failed,exit"<<endl;          break;      }      cout<<"接受的消息为"<<RecvBuffer<<endl;      }          return 0;    }  int main(void)  {      WSADATA     WSA;      SOCKET      severScoket,clientScoket;      struct      sockaddr_in  LocalAddr,clientAddr;      int         AddrLen =  0;      HANDLE      hThread =  NULL;      int         RET = 0;      //init windows socket      if (WSAStartup(MAKEWORD(2,2),&WSA)!= 0 )      {          cout<<"init failed"<<endl;          return -1;      }      //creat socket      severScoket = socket(AF_INET,SOCK_STREAM,0);      if(severScoket == INVALID_SOCKET)      {        cout<<"creat failed"<<GetLastError()<<endl;        return -1;      }      LocalAddr.sin_family = AF_INET;      LocalAddr.sin_addr.s_addr = inet_addr(IP_ADDRESS);      LocalAddr.sin_port = htons(PORT);      memset(LocalAddr.sin_zero,0x00,8);      //bind socket      RET = bind(severScoket,(struct sockaddr*)&LocalAddr,sizeof(LocalAddr));      if (RET != 0)      {          cout<<"bind failed";          return -1;      }      RET = listen(severScoket,5);      if (RET!= 0)      {          cout<<"listen failed";          return -1;      }      cout<<"服务器已启动"<<endl;      while(true)      {         AddrLen = sizeof(clientAddr);         clientScoket = accept(severScoket,(struct sockaddr*)&clientAddr,&AddrLen);         if (clientScoket ==INVALID_SOCKET)         {             cout<<"accept failed";             break;         }         cout<<"客户端连接"<<inet_ntoa(clientAddr.sin_addr)<<"."<<clientAddr.sin_port<<endl;         hThread  = CreateThread(NULL,0,ClientThread,(LPVOID)clientScoket,0,NULL);         if(hThread == NULL)         {             cout<<"creat thread failed"<<endl;             break;         }         CloseHandle(hThread);      }      closesocket(severScoket);      closesocket(clientScoket);      WSACleanup();      return 0;  }    

// Client.cpp : 定义控制台应用程序的入口点。

#include "stdafx.h"  #include <stdio.h>  #include <stdlib.h>  #include <winsock2.h>  #include <iostream>  #pragma comment(lib, "ws2_32.lib")  using namespace std;          #define PORT 4000  #define IP_ADDRESS "127.0.0.1"  int main(void)  {      WSADATA     WSA;      SOCKET      clientScoket;      struct      sockaddr_in  serveAddr;      int         AddrLen =  0;      HANDLE      hThread =  NULL;      int         RET = 0;      char        SendBuffer[MAX_PATH];      //init windows socket      if (WSAStartup(MAKEWORD(2,2),&WSA)!= 0 )      {          cout<<"init failed"<<endl;          return -1;      }      //creat socket      clientScoket = socket(AF_INET,SOCK_STREAM,0);      if(clientScoket == INVALID_SOCKET)      {          cout<<"creat failed"<<GetLastError()<<endl;          return -1;      }      serveAddr.sin_family = AF_INET;      serveAddr.sin_addr.s_addr = inet_addr(IP_ADDRESS);      serveAddr.sin_port = htons(PORT);      memset(serveAddr.sin_zero,0x00,8);          RET = connect(clientScoket,(struct sockaddr*)&serveAddr,sizeof(serveAddr));      if (RET != 0)      {          cout<<"connect failed";          return -1;      }      else{ cout<<"链接成攻"<<endl;}      while(true)      {          cin.getline(SendBuffer,sizeof(SendBuffer));          RET = send(clientScoket,SendBuffer,(int)strlen(SendBuffer),0);          if (RET == SOCKET_ERROR)          {              cout<<"send to error"<<endl;              break;          }      }      closesocket(clientScoket);      WSACleanup();      return 0;  }