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C++基于socket編程實(shí)現(xiàn)聊天室功能

更新時(shí)間：2021年07月01日 08:30:27 作者：Hugh677

這篇文章主要介紹了C++基于socket編程實(shí)現(xiàn)聊天室功能，文中示例代碼介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下

本文實(shí)例為大家分享了C++基于socket編程實(shí)現(xiàn)聊天室的具體代碼，供大家參考，具體內(nèi)容如下

服務(wù)端

// server.cpp : 此文件包含 "main" 函數(shù)。程序執(zhí)行將在此處開始并結(jié)束。
//
 
#include "pch.h"
#include <iostream>
#include "winsock2.h"
#include "stdlib.h"
#include "stdio.h"
#include "string"
#pragma comment (lib, "ws2_32.lib")
 
using namespace std;
 
 
SOCKET clientSocket[1024];
int k = 0;
 
void communication(LPVOID n)
{
 char buff[256];
 int r;
 int i = (int)n;
 //cout << i << ":" << endl;
 while (1)
 {
 
  memset(buff, 0, 256);
  r = recv(clientSocket[i - 1], buff, 255, NULL);
  if (r > 0)
  {
   cout << i << ":" << buff << endl;
   for (int j = 0; j < k; j++)
   {
    send(clientSocket[j], buff, strlen(buff), NULL);
   }
  }
 
 }
}
 
 
int main()
{
 
 //加載socket庫 版本號(hào)
 WSADATA wsaData;
 WSAStartup(MAKEWORD(2, 2), &wsaData) != 0;//成功==0
 if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 2)
 {
  cout << "請(qǐng)求版本失??！\n" << endl;
  return -1;
 }
 cout << "請(qǐng)求版本成功!\n" << endl;
 //創(chuàng)建socket
 //sockSer = socket(AF_INET, SOCK_STREAM,IPPROTO_TCP);//AF=Address family ,ipv4,TCP,0
 SOCKET serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
 if (serverSocket == INVALID_SOCKET)
 {
  cout << "創(chuàng)建socket失??！\n" << endl;
  return -1;
 }
 cout << "創(chuàng)建socket成功！\n" << endl;
 //addrSer.sin_addr.S_un.S_addr
 SOCKADDR_IN addr = { 0 };
 
 //初始化地址
 addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");// htonl(INADDR_ANY);//inet_addr("192.168.0.13");//dec--->2進(jìn)制-->網(wǎng)絡(luò)字節(jié)序
 addr.sin_family = AF_INET;
 addr.sin_port = htons(10086);//端口號(hào)~65535
 //綁定Socket
 int r = bind(serverSocket, (SOCKADDR*)&addr, sizeof(addr));
 if (r == -1)
 {
  cout << "bind失?。n" << endl;
  return -1;
 }
 cout << "bind成功！\n" << endl;
 //listen
 r = listen(serverSocket, 10);
 if (r == -1)
 {
  cout << "listen失?。n" << endl;
  return -1;
 }
 cout << "listen成功！\n" << endl;
 //連接
 //地址族
 SOCKADDR_IN cAddr = { 0 };
 int len = sizeof cAddr;
 
 //SOCKET clientSocket[1024];
 int i = 0;
 while (i < 1024)
 {
  clientSocket[i++] = accept(serverSocket, (sockaddr*)&cAddr, &len);
  k++;
  if (clientSocket[i - 1] == SOCKET_ERROR)
  {
   cout << "錯(cuò)誤的客戶端！\n" << endl;
   closesocket(serverSocket);
   WSACleanup();
   return -1;
  }
  cout << "有客戶端接入進(jìn)來！" << inet_ntoa(cAddr.sin_addr) << endl;
  CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)communication, (LPVOID)i, NULL, NULL);
 }
 
 
 //closesocket(clientSocket);
 //closesocket(serverSocket);
 //WSACleanup();
 return 0;
}

客戶端

#include "pch.h"
#include <iostream>
#include "winsock2.h"
#include "stdlib.h"
#include "stdio.h"
#include "string"
#pragma comment (lib, "ws2_32.lib")
 
//#include "graphics.h"
 
using namespace std;
 
SOCKET serverSocket;//服務(wù)器
 
 
void recvAndShow()
{
 int r, i = 0;
 char buff[256];
 //ofstream out;
 while (1)
 {
  memset(buff, 0, 256);
  r = recv(serverSocket, buff, 255, NULL);
  if (r > 0)
  {
  // out.open("QQ.txt", ios::app||ios::_Nocreate);
  // out << buff << endl;
   //outtextxy(0, i * 20, buff);
   i++;
   //out.close();
  }
 }
}
 
int main()
{
 //initgraph(300, 300, SHOWCONSOLE);
 //加載socket庫 版本號(hào)
 
 WSADATA wsaData;
 WSAStartup(MAKEWORD(2, 2), &wsaData) != 0;//成功==0
 if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 2)
 {
  cout << "請(qǐng)求版本失??！\n" << endl;
  return -1;
 }
 cout << "請(qǐng)求版本成功!\n" << endl;
 
 //創(chuàng)建socket
 
 serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
 if (serverSocket == INVALID_SOCKET)
 {
  cout << "創(chuàng)建socket失敗！\n" << endl;
  return -1;
 }
 cout << "創(chuàng)建socket成功！\n" << endl;
 
 //地址族
 
 SOCKADDR_IN addr = { 0 };
 
 //初始化地址
 
 addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");// htonl(INADDR_ANY);//inet_addr("192.168.0.13");//dec--->2進(jìn)制-->網(wǎng)絡(luò)字節(jié)序
 addr.sin_family = AF_INET;
 addr.sin_port = htons(10086);//端口號(hào)~65535盡量大于1W
 
 //連接到服務(wù)器
 
 int r = connect(serverSocket, (SOCKADDR*)&addr, sizeof addr);
 if (r == -1)
 {
  cout << "連接服務(wù)器失??！\n" << endl;
  return -1;
 }
 cout << "連接服務(wù)器成功！\n" << endl;
 
 CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)recvAndShow, NULL, NULL, NULL);
 
 char buff[256];
 while (1)
 {
  memset(buff, 0, 256);
  cout << "你要發(fā)啥？\n" << endl;
  cin >> buff;
  r = send(serverSocket, buff, strlen(buff), NULL);
  if (r > 0)
  {
   cout << "發(fā)送" << r << "字節(jié)到服務(wù)器成功！\n" << endl;
  }
 
 }
 //closesocket(serverSocket);
 //WSACleanup();
 return 0;
}

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