C# tcp test 服务器端

最新推荐文章于 2025-04-24 15:03:13 发布

不如学也

最新推荐文章于 2025-04-24 15:03:13 发布

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CC 4.0 BY-SA版权

文章标签： c# tcp

本文链接：https://blog.youkuaiyun.com/artisans/article/details/52751840

本文介绍了一个使用C#实现的简易TCP服务器程序。该程序能够监听并接收来自客户端的消息，并将其显示出来。此外，还提供了消息发送及文件上传的功能。

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using System;
using System.Diagnostics;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using Microsoft.Win32;

//server

namespace WpfApplication1
{
    /// <summary>
    ///     MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private TcpListener _tcpListener;
        private TcpClient _acceptTcpClient;

        public MainWindow()
        {
            InitializeComponent();

            _tcpListener = new TcpListener(IPAddress.Any, 8888);
            _tcpListener.AllowNatTraversal(true);
            _tcpListener.Start();

            Thread thread = new Thread(() => { InitTcpServer(_tcpListener); });
            thread.Start();
        }

        private void InitTcpServer(TcpListener tcpListener)
        {
            try
            {
                _acceptTcpClient = tcpListener.AcceptTcpClient();

                while (true)
                {
                    if (_acceptTcpClient.Connected)
                    {
                        var t = new Thread(() => { ReadNetworkSream(_acceptTcpClient); });
                        t.Start();
                    }
                }
            }
            catch (Exception)
            {
                System.Console.WriteLine("发生异常");
            }
            finally
            {
                tcpListener.Stop();
            }
        }

        private void ReadNetworkSream(TcpClient client)
        {
            var stopWatch = new Stopwatch();
            stopWatch.Start();

            if (stopWatch.ElapsedMilliseconds > 30000)
            {
                client.Close();
                Console.WriteLine("连接超时");
                return;
            }

            var stream = client.GetStream();

            while (stream != null &&
                    stream.CanRead &&
                    stream.DataAvailable)
            {
                var bytes = new byte[client.ReceiveBufferSize];
                int numbersByteRead = stream.Read(bytes, 0, bytes.Length);
                var str = Encoding.Default.GetString(bytes, 0, numbersByteRead);
                Dispatcher.Invoke(() =>
                {
                    var txtLable = this.FindName("ReceiveText")
                        as TextBox;
                    txtLable.Text += str;
                });

                Console.WriteLine("bytes num {0}, text  {1}", bytes.Length, str);
            }
        }

        private void _发送按钮(object sender, RoutedEventArgs e)
        {
            var inputBox = this.FindName("InputBox") as TextBox;
            Byte[] bytes = System.Text.Encoding.Default.GetBytes(inputBox.Text);
            _acceptTcpClient.GetStream().Write(bytes, 0, bytes.Length);
        }

        private void _选择文件上传按钮(object sender, RoutedEventArgs e)
        {
            var fileDlg = new OpenFileDialog();
            fileDlg.ShowDialog();
        }
    }
}