C# udp通信测试助手
1、UI界面和最终实现功能测试
2、代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;namespace UdpTest
{public partial class MaiForm : Form{public MaiForm(){InitializeComponent();}bool isContinueSend = false; //是否连续发送// 创建UdpClient实例Socket udpClient;Thread t;Thread t2;string udpRecv;private void MaiForm_Load(object sender, EventArgs e){udpClient = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);udpClient.Bind(new IPEndPoint(IPAddress.Parse(txtLocalIp.Text), int.Parse(txtLocalPort.Text)));t = new Thread(sendMsg);t.Start();t2 = new Thread(ReciveMsg);t2.Start();timer1.Start();}/// <summary>/// 向特定ip的主机的端口发送数据报/// </summary>void sendMsg(){EndPoint point = new IPEndPoint(IPAddress.Parse(txtSendIp.Text), int.Parse(txtSendPort.Text));while (true){if(isContinueSend){string msg = txtSend.Text;udpClient.SendTo(Encoding.Default.GetBytes(msg), point);Thread.Sleep(1000);}}}/// <summary>/// 接收发送给本机ip对应端口号的数据报/// </summary>void ReciveMsg(){while (true){EndPoint point = new IPEndPoint(IPAddress.Any, 0);//用来保存发送方的ip和端口号byte[] buffer = new byte[1024];int length = udpClient.ReceiveFrom(buffer, ref point);//接收数据报string strRecvTemp = Encoding.UTF8.GetString(buffer, 0, length);if (length > 0){udpRecv += point.ToString() + ": " + strRecvTemp + "\r\n";}}}private void btnSend_Click(object sender, EventArgs e){EndPoint point = new IPEndPoint(IPAddress.Parse(txtSendIp.Text), int.Parse(txtSendPort.Text));string msg = txtSend.Text;udpClient.SendTo(Encoding.UTF8.GetBytes(msg), point);}private void timer1_Tick(object sender, EventArgs e){txtUdpRecv.Text = udpRecv;}private void MaiForm_FormClosing(object sender, FormClosingEventArgs e){System.Environment.Exit(0); //强制关闭所有线程 Application.Exit();}private void checkContinueSend_CheckedChanged(object sender, EventArgs e){isContinueSend = checkContinueSend.Checked;if(isContinueSend){btnSend.Enabled = false;}else{btnSend.Enabled = true;}}}
}
3、下载连接
https://download.csdn.net/download/panjinliang066333/89616042