#include <WinSock2.h>
#include <Windows.h>
#include <iostream>
#pragma comment(lib,"ws2_32.lib")
using namespace std;
int main()
{
WSADATA d;
WORD w = MAKEWORD(2, 0);
WSAStartup(w, &d);
SOCKET s = socket(AF_INET, SOCK_DGRAM, 0);
sockaddr_in serverAddr;
serverAddr.sin_family = AF_INET;
serverAddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
serverAddr.sin_port = htons(9999);
int len = sizeof(serverAddr);
char buf[] = "Hello,UDP server!";
sendto(s, buf, sizeof(buf), 0, (sockaddr*)&serverAddr,len);
char recvBuf[512] = { 0 };
int recvLen = recvfrom(s, recvBuf, 512, 0, (sockaddr*)&serverAddr, &len);
if (recvLen > 0) {
cout << recvBuf << endl;
}
getchar();
closesocket(s);
WSACleanup();
return 0;
}
用C++创建一个简单的UDP客户端
最新推荐文章于 2024-10-10 20:56:50 发布