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功能

完成Cpp客戶端簡單功能，可收發(fā)數(shù)據(jù)。

Cpp服務(wù)端實例地址：【點擊跳轉(zhuǎn)】

源碼

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									#define _WINSOCK_DEPRECATED_NO_WARNINGS

									#define _CRT_SECURE_NO_WARNINGS

									#include <iostream>

									//網(wǎng)絡(luò)庫文件

									#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、創(chuàng)建句柄

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

									    //2、連接服務(wù)端

									    // connect(綁定的句柄, 服務(wù)端地址, 第二個參數(shù)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");//點分十進(jìn)制轉(zhuǎn)化為十進(jìn)制

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

									    {

									        cout << "連接失敗" << endl;

									        return 0;

									    }

									    //3、接收發(fā)送數(shù)據(jù)

									    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]接收數(shù)據(jù), %s\n", nRecv, buffer);

									    }

									    printf("斷開連接\n");

									    //4、關(guān)閉句柄

									    return 0;

									}