c#发送控制台程序代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;
using System.Net.NetworkInformation;
namespace ConsoleApplication3
{
class Program
{
static void Main(string[] args)
{
string sendString = null;//要发送的字符串
byte[] sendData = null;//要发送的字节数组
UdpClient client = null;
IPAddress remoteIP = IPAddress.Parse("127.0.0.1");
int remotePort = 8080;
IPEndPoint remotePoint = new IPEndPoint(remoteIP, remotePort);//实例化一个远程端点
while (true)
{
sendString = Console.ReadLine();
sendData = Encoding.Default.GetBytes(sendString);
client = new UdpClient();
client.Send(sendData, sendData.Length, remotePoint);//将数据发送到远程端点
client.Close();//关闭连接
}
}
}
}
c++接收控制台代码：
#include <Winsock2.h>
#include <stdio.h>
#pragma comment(lib, "ws2_32.lib")
void main(){
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD(1, 1);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
return;
}
if (LOBYTE(wsaData.wVersion) != 1 ||
HIBYTE(wsaData.wVersion) != 1) {
WSACleanup();
return;
}
//创建套接字
SOCKET sockSrv = socket(AF_INET, SOCK_DGRAM, 0);
//创建地址结构体.
SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
addrSrv.sin_family = AF_INET;
addrSrv.sin_port = htons(6000);
//绑定套接字和地址.
bind(sockSrv, (SOCKADDR *)&addrSrv, sizeof(SOCKADDR));
char recvBuf[100] = {0};
char sendBuf[100];
char tempBuf[200];
SOCKADDR_IN addrClient;
int len = sizeof(SOCKADDR);
while (1){
//接收数据.
recvfrom(sockSrv, recvBuf, 100, 0, (SOCKADDR *)&addrClient, &len);
if ('q' == recvBuf[0]){
sendto(sockSrv, "q", 1, 0, (SOCKADDR *)&addrClient, sizeof(SOCKADDR));
printf("chat end ! \n");
break;
}
sprintf(tempBuf, "%s say: %s", inet_ntoa(addrClient.sin_addr), recvBuf);
printf("%s\n", tempBuf);
printf("please input data:\n");
gets(sendBuf);
//发送数据.
sendto(sockSrv, sendBuf, 100, 0, (SOCKADDR*)&addrClient, sizeof(SOCKADDR));
}
//关闭套接字.
closesocket(sockSrv);
//关闭套接字库.
WSACleanup();
}