详谈C++ socket网络编程实例(2)_C/C++

详谈C++ socket网络编程实例(2)

2022-02-28 14:34ufgnix0802 C/C++

这篇文章主要为大家介绍了C++ socket网络编程实例，具有一定的参考价值，感兴趣的小伙伴们可以参考一下，希望能够给你带来帮助

功能

完成Cpp客户端简单功能，可收发数据。

Cpp服务端实例地址：【点击跳转】

源码

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									#define _WINSOCK_DEPRECATED_NO_WARNINGS

									#define _CRT_SECURE_NO_WARNINGS

									#include <iostream>

									//网络库文件

									#include <winsock2.h>

									//引入ws2_32.lib

									#pragma comment(lib,"ws2_32.lib")

									using std::cout;

									using std::endl;

									using std::cin;

									int main()

									{

									    system("chcp 65001");

									    WSADATA wsaData;

									    if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)

									    {

									        cout << "WSAStartUp error " << GetLastError() << endl;

									        return 0;

									    }

									    //1、创建句柄

									    SOCKET clientSocket = socket(AF_INET, SOCK_STREAM, 0);

									    //2、连接服务端

									    // connect(绑定的句柄, 服务端地址, 第二个参数的大小);

									    SOCKADDR_IN ServerAddr;

									    ServerAddr.sin_family = AF_INET;

									    ServerAddr.sin_port = htons(7890);

									    ServerAddr.sin_addr.s_addr = inet_addr("127.0.0.1");//点分十进制转化为十进制

									    if (SOCKET_ERROR == connect(clientSocket, (sockaddr *)&ServerAddr, sizeof(SOCKADDR_IN)))

									    {

									        cout << "连接失败" << endl;

									        return 0;

									    }

									    //3、接收发送数据

									    while (true)

									    {

									        char buffer[1024] = { 0 };

									        scanf("%s", buffer);

									        send(clientSocket, buffer, strlen(buffer), 0);

									        int nRecv = recv(clientSocket, buffer, 1024, 0);

									        if (nRecv <= 0)

									        {

									            break;

									        }

									        printf("[%d]接收数据, %s\n", nRecv, buffer);

									    }

									    printf("断开连接\n");

									    //4、关闭句柄

									    return 0;

									}