本文实例为大家分享了C++实现TCP聊天室功能的具体代码，供大家参考，具体内容如下
TCPServer.cpp：
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// TCPServer.cpp : Defines the entry point for the console application.
#include "stdafx.h"
#include<iostream>
#include<stdio.h>
#include<WinSock2.h>
using namespace std;
#pragma comment(lib,"ws2_32.lib")
const char *WELCOMTOCHATROOM = "欢迎来到聊天室";
const char *MESSAGECOMED = "收到客户端发来的信息：";
const char *ANSWER = "您的回复是：";
const char *WAIFORCLIENT = "等待客户连接.......";
int main()
{
BOOL bSuccess = FALSE;//是否执行成功
int nError = ERROR;
SOCKET socketServ = INVALID_SOCKET;
SOCKET socketClient = INVALID_SOCKET;
do
{
WSADATA wsaData;
nError = WSAStartup(MAKEWORD(2, 2), &wsaData);//初始化
if (0 != nError)
break;
//创建Socket
socketServ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (INVALID_SOCKET == socketServ)
break;
//创建地址
sockaddr_in addrServ = { 0 };
addrServ.sin_addr.S_un.S_addr = INADDR_ANY;//所有ip地址
addrServ.sin_family = AF_INET;//ipv4
addrServ.sin_port = htons(10800);//端口
//绑定
if (SOCKET_ERROR == bind(socketServ, (SOCKADDR*)&addrServ, sizeof(addrServ)))
break;
if (SOCKET_ERROR == listen(socketServ, SOMAXCONN))
break;
sockaddr_in addrClient = { 0 };
int nAddrSize = sizeof(addrClient);
//等待客户连接
cout << WAIFORCLIENT << endl;
socketClient = accept(socketServ, (SOCKADDR*)&addrClient, &nAddrSize);
if (INVALID_SOCKET == socketClient)
break;
if (SOCKET_ERROR == send(socketClient, WELCOMTOCHATROOM, strlen(WELCOMTOCHATROOM)+1,0))
break;
char szRecvMessage[MAXBYTE] = { 0 };
char szSendMessage[MAXBYTE] = { 0 };
while (true)
{
int nResult = recv(socketClient, szRecvMessage, MAXBYTE, 0);
if (nResult > 0)
{
cout << MESSAGECOMED << szRecvMessage << endl;
cout << ANSWER;
cin >> szSendMessage;
if (SOCKET_ERROR == send(socketClient, szSendMessage, strlen(szSendMessage)+1, 0))
break;//跳出while
}
else if (nResult == 0)
{
cout << "连接被关闭：" << endl;
break;
}
else
{
cout << "recv错误！" << endl;
break;
}
}
bSuccess = TRUE;
} while (false);
if (!bSuccess)
{
nError = WSAGetLastError();
cout << "出现错误信息" << nError << endl;
if (INVALID_SOCKET != socketServ)
closesocket(socketServ);
if (INVALID_SOCKET != socketClient)
closesocket(socketClient);
}
WSACleanup();
system("pause");
return 0;
}
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TCPClient.cpp：
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// TCPClient.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include<iostream>
//#include<stdio.h>
#include<WinSock2.h>
using namespace std;
#pragma comment(lib,"ws2_32.lib")
const char *SERVERIPADDRESS = "192.168.8.106";
int main()
{
bool bSuccess = FALSE;
SOCKET socketClient = INVALID_SOCKET;//客户端的套接字
do
{
WSADATA wsaData;
if (0 != WSAStartup(MAKEWORD(2, 2), &wsaData))//叫醒
break;
//判断
if (2 != LOBYTE(wsaData.wVersion) ||
2 != HIBYTE(wsaData.wVersion))
break;
//拿手机
socketClient = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (INVALID_SOCKET == socketClient)
break;
//拿到电话号码
sockaddr_in addrServ = { 0 };
addrServ.sin_family = AF_INET;
addrServ.sin_port = htons(10800);
addrServ.sin_addr.S_un.S_addr = inet_addr(SERVERIPADDRESS);
//拨打号码
if (SOCKET_ERROR == connect(socketClient, (SOCKADDR*)&addrServ, sizeof(addrServ)))
break;
char szRecvMessage[MAXBYTE] = { 0 };
char szSendMessage[MAXBYTE] = { 0 };
while (true)
{
int nResult = recv(socketClient, szRecvMessage, MAXBYTE, 0);
if (nResult > 0)//接收到信息
{
cout << "接收到来自服务器的消息：" << szRecvMessage << endl;
cout << "你的回复是：";
cin >> szSendMessage;
if (SOCKET_ERROR == send(socketClient, szSendMessage, MAXBYTE, 0))
break;//跳出循环
}
else if (nResult == 0)//连接被关闭
{
cout << "连接被关闭:" << endl;
break;
}
else
{
cout << "未知原因：" << endl;
break;
}
}
bSuccess = TRUE;
} while (FALSE);
if (!bSuccess)
{
int nError=WSAGetLastError();
cout << "出现错误信息" << nError << endl;
if (INVALID_SOCKET != socketClient)
closesocket(socketClient);
}
WSACleanup();
system("pause");
return 0;
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/SWY18929564409/article/details/81077927