本文实例为大家分享了C++基于socket编程实现聊天室的具体代码，供大家参考，具体内容如下
服务端
// server.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//
#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()
{
//加载socket库 版本号
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData) != 0;//成功==0
if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 2)
{
cout << "请求版本失败！\n" << endl;
return -1;
}
cout << "请求版本成功!\n" << endl;
//创建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 << "创建socket失败！\n" << endl;
return -1;
}
cout << "创建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进制-->网络字节序
addr.sin_family = AF_INET;
addr.sin_port = htons(10086);//端口号~65535
//绑定Socket
int r = bind(serverSocket, (SOCKADDR*)&addr, sizeof(addr));
if (r == -1)
{
cout << "bind失败！\n" << endl;
return -1;
}
cout << "bind成功！\n" << endl;
//listen
r = listen(serverSocket, 10);
if (r == -1)
{
cout << "listen失败！\n" << endl;
return -1;
}
cout << "listen成功！\n" << endl;
//连接
//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 << "错误的客户端！\n" << endl;
closesocket(serverSocket);
WSACleanup();
return -1;
}
cout << "有客户端接入进来！" << inet_ntoa(cAddr.sin_addr) << endl;
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)communication, (LPVOID)i, NULL, NULL);
}
//closesocket(clientSocket);
//closesocket(serverSocket);
//WSACleanup();
return 0;
}
客户端
#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;//服务器
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);
//加载socket库 版本号
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData) != 0;//成功==0
if (LOBYTE(wsaData.wVersion) != 2 || HIBYTE(wsaData.wVersion) != 2)
{
cout << "请求版本失败！\n" << endl;
return -1;
}
cout << "请求版本成功!\n" << endl;
//创建socket
serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (serverSocket == INVALID_SOCKET)
{
cout << "创建socket失败！\n" << endl;
return -1;
}
cout << "创建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进制-->网络字节序
addr.sin_family = AF_INET;
addr.sin_port = htons(10086);//端口号~65535尽量大于1W
//连接到服务器
int r = connect(serverSocket, (SOCKADDR*)&addr, sizeof addr);
if (r == -1)
{
cout << "连接服务器失败！\n" << endl;
return -1;
}
cout << "连接服务器成功！\n" << endl;
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)recvAndShow, NULL, NULL, NULL);
char buff[256];
while (1)
{
memset(buff, 0, 256);
cout << "你要发啥？\n" << endl;
cin >> buff;
r = send(serverSocket, buff, strlen(buff), NULL);
if (r > 0)
{
cout << "发送" << r << "字节到服务器成功！\n" << endl;
}
}
//closesocket(serverSocket);
//WSACleanup();
return 0;
}