添加项目

SocketStudy.ClientApp/App.xaml

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+<Application x:Class="SocketStudy.ClientApp.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:SocketStudy.ClientApp"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

SocketStudy.ClientApp/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SocketStudy.ClientApp
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

SocketStudy.ClientApp/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

SocketStudy.ClientApp/MainWindow.xaml

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+<Window x:Class="SocketStudy.ClientApp.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:SocketStudy.ClientApp"
+        mc:Ignorable="d"
+        Title=" 客户端" Height="677" Width="800" Icon="/Images/logo.ico" ResizeMode="CanMinimize">
+    <Grid Margin="0,0,0,74">
+        <TextBox x:Name="textBox_ServerAddress" HorizontalAlignment="Left" Margin="180,24,0,0" TextWrapping="Wrap" Text="192.168.1.66" VerticalAlignment="Top" Width="190" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Center"/>
+        <Label x:Name="lable_address_title" Content="远程服务器地址：" HorizontalAlignment="Left" Margin="25,24,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="150" BorderThickness="2,2,2,2" Grid.ColumnSpan="2"/>
+        <Label x:Name="lable_server_port_title" Content="远程服务端口号：" HorizontalAlignment="Left" Margin="517,24,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="150" BorderThickness="2,2,2,2"/>
+        <TextBox x:Name="textBox_ServerPort" HorizontalAlignment="Left" Margin="675,24,0,0" TextWrapping="Wrap" Text="6601" VerticalAlignment="Top" Width="87" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Center"/>
+        <RichTextBox x:Name="richTextBox_Log" Margin="25,342,35,-51" FontSize="14" VerticalScrollBarVisibility="Auto">
+            <FlowDocument>
+                <Paragraph>
+                    <Run Text=""/>
+                </Paragraph>
+            </FlowDocument>
+        </RichTextBox>
+        <Label x:Name="lable_SendData_Title" Content="发送数据：" HorizontalAlignment="Left" Margin="25,260,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="101" BorderThickness="2,2,2,2"/>
+        <TextBox x:Name="textBox_SendData" HorizontalAlignment="Left" Margin="25,260,0,0" TextWrapping="Wrap" Text="你好，我是来自客户端的数据！" VerticalAlignment="Top" Width="562" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Left"/>
+        <Button x:Name="btn_Connect" Content="连接服务器" HorizontalAlignment="Left" Margin="25,169,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" Click="btn_Connect_Click"/>
+        <Button x:Name="btn_Close" Content="关闭连接" HorizontalAlignment="Left" Margin="248,169,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" RenderTransformOrigin="1.482,0.633" Click="btn_Close_Click"/>
+        <Button x:Name="btn_Send" Content="发送数据" HorizontalAlignment="Left" Margin="640,261,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" RenderTransformOrigin="1.482,0.633" Click="btn_Send_Click"/>
+        <Label x:Name="lable_client_port_title" Content="本地连接端口号：" HorizontalAlignment="Left" Margin="517,95,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="150" BorderThickness="2,2,2,2"/>
+        <TextBox x:Name="textBox_ClientPort" HorizontalAlignment="Left" Margin="674,95,0,0" TextWrapping="Wrap" Text="6901" VerticalAlignment="Top" Width="88" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Center"/>
+        <Button x:Name="btn_Dispose" Content="释放连接" HorizontalAlignment="Left" Margin="465,169,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" RenderTransformOrigin="1.482,0.633" Click="btn_Dispose_Click"/>
+        <TextBox x:Name="textBox_ClientAddress" HorizontalAlignment="Left" Margin="180,95,0,0" TextWrapping="Wrap" Text="192.168.1.66" VerticalAlignment="Top" Width="190" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Center"/>
+        <Label x:Name="lable_client_address_title" Content="本地连接地址：" HorizontalAlignment="Left" Margin="25,95,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="150" BorderThickness="2,2,2,2" RenderTransformOrigin="-0.139,0.451"/>
+        <Button x:Name="btn_Back" Content="备用按钮" HorizontalAlignment="Left" Margin="640,169,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" RenderTransformOrigin="1.482,0.633" />
+
+    </Grid>
+</Window>

SocketStudy.ClientApp/MainWindow.xaml.cs

@@ -0,0 +1,273 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace SocketStudy.ClientApp
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private TcpClient _tcpClient;
+
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+
+        /// <summary>
+        /// 连接服务网络
+        /// </summary>
+        private void btn_Connect_Click(object sender, RoutedEventArgs e)
+        {
+            if (_tcpClient?.Connected ?? false)
+            {
+                WriteLog("已经连接上！");
+                return;
+            }
+
+            IPAddress serverAddress;
+            if (!IPAddress.TryParse(textBox_ServerAddress.Text.Trim(), out serverAddress))
+            {
+                WriteLog("服务地址错误");
+                return;
+            }
+
+            int serverPort = 6605;
+            if (!int.TryParse(textBox_ServerPort.Text.Trim(), out serverPort))
+            {
+                WriteLog("服务器端口号错误");
+                return;
+            }
+            else
+            {
+                if (serverPort <= 1024 || serverPort >= 65535)
+                {
+                    WriteLog("服务器端口号错误:必须在 1205-65534");
+                    return;
+                }
+            }
+            IPEndPoint serverEndPoint = new IPEndPoint(serverAddress, serverPort);
+
+            IPAddress clientAddress;
+            if (!IPAddress.TryParse(textBox_ClientAddress.Text.Trim(), out clientAddress))
+            {
+                WriteLog("本地连接地址错误");
+                return;
+            }
+            int clientPort = 6901;
+            if (!int.TryParse(textBox_ClientPort.Text.Trim(), out clientPort))
+            {
+                WriteLog("本地连接端口号错误");
+                return;
+            }
+            else
+            {
+                if (clientPort <= 1024 || clientPort >= 65535)
+                {
+                    WriteLog("本地连接端口号错误:必须在 1205-65534");
+                    return;
+                }
+            }
+            IPEndPoint clientEndPoint = new IPEndPoint(clientAddress, clientPort);
+
+            if (_tcpClient != null)
+            {
+                _tcpClient?.Dispose();
+                _tcpClient = null;
+            }
+
+            try
+            {
+                _tcpClient = new TcpClient(clientEndPoint);
+                _tcpClient.LingerState = new LingerOption(true, 0);
+                //_tcpClient.SendTimeout = 10000;
+                //_tcpClient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
+                _tcpClient.Connect(serverEndPoint);
+
+                textBox_ServerAddress.IsEnabled = false;
+                textBox_ServerPort.IsEnabled = false;
+                textBox_ClientPort.IsEnabled = false;
+
+                WriteLog("连接到服务器，成功");
+
+                //接收服务端发来的数据
+                ThreadPool.QueueUserWorkItem(obj =>
+                {
+                    try
+                    {
+                        do
+                        {
+                            NetworkStream streamToClient = _tcpClient.GetStream();
+                            if (streamToClient.CanRead && streamToClient.DataAvailable)
+                            {
+                                byte[] buffer = new byte[8096];
+                                var readCount = streamToClient.Read(buffer, 0, buffer.Length);
+                                if (readCount <= 0)
+                                {
+                                    break;
+                                }
+                                var message = Encoding.UTF8.GetString(buffer, 0, readCount);
+
+                                WriteLog($"接收到数据：{message}");
+
+                            }
+                            else
+                            {
+                                //WriteLog($"接收到无用数据包");
+                            }
+                        }
+                        while (_tcpClient.Connected);
+                    }
+                    catch (Exception ex)
+                    {
+
+                    }
+                    finally
+                    { 
+                    
+                    }
+                   
+                });
+
+                WriteLog($"连接操作执行完成，数据接收线程已启动！");
+            }
+            catch (SocketException socketException)
+            {
+                WriteLog($"连接到服务器时，异常：{socketException.Message}");
+            }
+            catch (Exception ex)
+            {
+                WriteLog($"连接到服务器时，异常：{ex.Message}");
+            }
+            finally
+            {
+                
+            }
+        }
+
+        /// <summary>
+        /// 关闭网络连接
+        /// </summary>
+        private void btn_Close_Click(object sender, RoutedEventArgs e)
+        {
+            if (_tcpClient == null || _tcpClient.Connected == false)
+            {
+                WriteLog("网络未连接到服务器，无需关闭！");
+                return;
+            }
+
+            _tcpClient.GetStream().Close();
+            //_tcpClient.GetStream().Dispose();
+            _tcpClient.Close();
+            
+            _tcpClient.Client?.Disconnect(false);
+            
+            _tcpClient.Dispose();
+            
+            
+
+            textBox_ServerAddress.IsEnabled = true;
+            textBox_ServerPort.IsEnabled = true;
+            textBox_ClientPort.IsEnabled = true;
+
+            WriteLog($"连接已成功关闭！");
+        }
+
+        /// <summary>
+        /// 使用连接，发送数据给服务器
+        /// </summary>
+        private void btn_Send_Click(object sender, RoutedEventArgs e)
+        {
+            if (_tcpClient == null)
+            {
+                WriteLog("网络连接不存在，请先连接到网络服务器！");
+                return;
+            }
+
+            if (!_tcpClient.Connected)
+            {
+                WriteLog("请先连接到网络服务器！");
+                return;
+            }
+
+            try
+            {
+                var message = textBox_SendData.Text.Trim();
+                byte[] buffer = Encoding.UTF8.GetBytes(message);
+                NetworkStream networkStream = _tcpClient.GetStream(); 
+                networkStream.Write(buffer, 0, buffer.Length);
+                WriteLog($"数据发送成功:{message}");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"{ex.Message}");
+                WriteLog($"{ex.Message}");
+            }
+            finally
+            {
+
+            }
+        }
+
+        /// <summary>
+        /// 释放连接
+        /// </summary>
+
+        private void btn_Dispose_Click(object sender, RoutedEventArgs e)
+        {
+            if (_tcpClient == null)
+            {
+                WriteLog("网络未连接到服务器，无需释放！");
+                return;
+            }
+
+            if (_tcpClient.Connected)
+            {
+                //_tcpClient.GetStream().Close();
+                _tcpClient.Client?.Disconnect(true);
+                _tcpClient.Close();
+                WriteLog("关闭连接成功！");
+            }
+
+            
+            _tcpClient.Dispose();
+            
+
+            textBox_ServerAddress.IsEnabled = true;
+            textBox_ServerPort.IsEnabled = true;
+            textBox_ClientPort.IsEnabled = true;
+
+            WriteLog("连接已成功释放！");
+        }
+
+        /// <summary>
+        /// 写日志信息
+        /// </summary>
+        private void WriteLog(string message)
+        {
+            Dispatcher.BeginInvoke(new Action(() =>
+            {
+                richTextBox_Log.AppendText($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")} {message}{System.Environment.NewLine}");
+                richTextBox_Log.ScrollToEnd();
+                Console.WriteLine(message);
+            }));
+        }
+    }
+}

SocketStudy.ClientApp/SocketStudy.ClientApp.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="Images\logo.ico" />
+    <None Remove="Images\logo.red.ico" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Resource Include="Images\logo.ico">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+    <Resource Include="Images\logo.red.ico">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+  </ItemGroup>
+
+</Project>

SocketStudy.ServerApp/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="SocketStudy.ServerApp.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:SocketStudy.ServerApp"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

SocketStudy.ServerApp/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SocketStudy.ServerApp
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

SocketStudy.ServerApp/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

SocketStudy.ServerApp/MainWindow.xaml

@@ -0,0 +1,29 @@
+<Window x:Class="SocketStudy.ServerApp.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:SocketStudy.ServerApp"
+        mc:Ignorable="d"
+        Title=" 服务器" Height="593" Width="800" Icon="/Images/logo.ico" ContentRendered="Window_ContentRendered">
+    <Grid>
+        <Label x:Name="lable_address_title" Content="服务地址：" HorizontalAlignment="Left" Margin="20,24,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="101" BorderThickness="2,2,2,2"/>
+        <Label x:Name="lable_port_title" Content="端口号：" HorizontalAlignment="Left" Margin="311,24,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="79" BorderThickness="2,2,2,2"/>
+        <TextBox x:Name="textBox_ServerPort" HorizontalAlignment="Left" Margin="390,25,0,0" TextWrapping="Wrap" Text="6601" VerticalAlignment="Top" Width="86" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Center"/>
+        <RichTextBox x:Name="richTextBox_Log" Margin="30,170,30,23" FontSize="14" Grid.ColumnSpan="2" VerticalScrollBarVisibility="Auto">
+            <FlowDocument>
+                <Paragraph>
+                    <Run Text=""/>
+                </Paragraph>
+            </FlowDocument>
+        </RichTextBox>
+        <Label x:Name="lable_SendData_Title" Content="发送数据：" HorizontalAlignment="Left" Margin="20,97,0,0" VerticalAlignment="Top" Height="45" FontSize="18" VerticalContentAlignment="Center" Width="101" BorderThickness="2,2,2,2"/>
+        <TextBox x:Name="textBox_SendData" HorizontalAlignment="Left" Margin="121,97,0,0" TextWrapping="Wrap" Text="你好，我是远程服务器数据！" VerticalAlignment="Top" Width="253" FontSize="18" Height="45" VerticalContentAlignment="Center" Padding="5,5,5,5" FontWeight="Bold" HorizontalContentAlignment="Left"/>
+        <Button x:Name="btn_Start" Content="启动服务" HorizontalAlignment="Left" Margin="499,25,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" Click="btn_Start_Click"/>
+        <Button x:Name="btn_Stop" Content="停止服务" HorizontalAlignment="Left" Margin="643,24,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" RenderTransformOrigin="1.482,0.633" Click="btn_Stop_Click"/>
+        <Button x:Name="btn_Send" Content="发送数据" HorizontalAlignment="Left" Margin="643,97,0,0" VerticalAlignment="Top" Height="45" Width="122" FontSize="18" RenderTransformOrigin="1.482,0.633" Click="btn_Send_Click"/>
+        <ComboBox x:Name="comboBox_Clients" HorizontalAlignment="Left" Margin="390,97,0,0" VerticalAlignment="Top" Width="231" Height="45" FontSize="18" HorizontalContentAlignment="Left" VerticalContentAlignment="Center"/>
+        <ComboBox x:Name="comboBox_ServerAddress" HorizontalAlignment="Left" Margin="121,25,0,0" VerticalAlignment="Top" Width="185" Height="45" FontSize="18" HorizontalContentAlignment="Left" VerticalContentAlignment="Center"/>
+
+    </Grid>
+</Window>

SocketStudy.ServerApp/MainWindow.xaml.cs

@@ -0,0 +1,382 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Concurrent;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+using System.Net;
+using System.Net.Http;
+using System.Net.Sockets;
+using System.Threading;
+
+namespace SocketStudy.ServerApp
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        //服务监听
+        private TcpListener _tcpServer = null;
+
+        //存放活动客户端连接字典
+        private ConcurrentDictionary<string, TcpClient> _remoteClientDic = new ConcurrentDictionary<string, TcpClient>();
+
+        //监听线程
+        private Thread _listenerThread;
+
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        /// <summary>
+        /// 窗口呈现完毕事件
+        /// </summary>
+        private void Window_ContentRendered(object sender, EventArgs e)
+        {
+            //初始化客户端
+            comboBox_Clients.Items.Clear();
+            comboBox_Clients.Items.Insert(insertIndex: 0,"广播");
+            comboBox_Clients.SelectedIndex = 0;
+
+            //默认服务器网址
+            comboBox_ServerAddress.Items.Insert(0, "本机所有IP4");
+            comboBox_ServerAddress.SelectedIndex = 0;
+
+            var ip4Addresses = Dns.GetHostAddresses(Dns.GetHostName(), AddressFamily.InterNetwork) ?? new IPAddress[] { IPAddress.Any};
+            foreach (var ip in ip4Addresses)
+            { 
+                comboBox_ServerAddress.Items.Add(ip);
+            }
+        }
+
+        /// <summary>
+        /// 启动服务
+        /// </summary>
+        private void btn_Start_Click(object sender, RoutedEventArgs e)
+        {
+            if (_tcpServer?.Server?.IsBound ?? false)
+            {
+                WriteLog("服务正在运行，无需启动！");
+                return;
+            }
+
+            IPAddress serverAddress = IPAddress.Any;
+
+            if (comboBox_ServerAddress.SelectedValue.ToString() != "本机所有IP4")
+            {
+                serverAddress = (IPAddress)comboBox_ServerAddress.SelectedValue;
+            }
+
+            int serverPort = 6605;
+            if (!int.TryParse(textBox_ServerPort.Text.Trim(), out serverPort))
+            {
+                WriteLog("端口号错误");
+                return;
+            }
+            else
+            {
+                if (serverPort <= 1024 || serverPort >= 65535)
+                {
+                    WriteLog("端口号错误:必须在 1205-65534");
+                    return;
+                }
+            }
+
+            WriteLog("启动服务...");
+            _tcpServer = new TcpListener(serverAddress, serverPort);
+            _tcpServer.Start();
+
+            WriteLog("服务成功启动！");
+
+            //开启监听线程
+            _listenerThread = new Thread(AcceptTcpClient);
+            _listenerThread.IsBackground = true;
+            _listenerThread.Start(_tcpServer);
+
+            //控件操作
+            comboBox_ServerAddress.IsEnabled = false;
+            textBox_ServerPort.IsEnabled = false;
+
+            WriteLog("服务启动完毕！");
+        }
+
+        /// <summary>
+        /// 停止服务
+        /// </summary>
+        private void btn_Stop_Click(object sender, RoutedEventArgs e)
+        {
+            if (_tcpServer == null || _tcpServer.Server.IsBound == false)
+            {
+                WriteLog("服务正未运行，无法停止！");
+                return;
+            }
+
+            //关闭客户端
+            foreach (var item in _remoteClientDic)
+            {
+                if (item.Value.Connected)
+                {
+                    item.Value.Close();
+                    item.Value.Dispose();
+                }
+            }
+
+            WriteLog("停止服务...");
+            _tcpServer?.Stop();
+
+            //清空客户端
+            _remoteClientDic.Clear();
+            ResetClientsItems();
+            
+
+            //恢复控制状态
+            comboBox_ServerAddress.IsEnabled = true;
+            textBox_ServerPort.IsEnabled = true;
+
+            WriteLog("服务停止完成！");
+        }
+
+        /// <summary>
+        /// 发送数据
+        /// </summary>
+        private void btn_Send_Click(object sender, RoutedEventArgs e)
+        {
+            if (_remoteClientDic.Count == 0 || comboBox_Clients.Items.Count ==0)
+            {
+                WriteLog("没有正在连接的客户端，请先使用客户端连接到本服务器！");
+                return;
+            }
+
+            var clientForSend=new List<TcpClient>();
+
+            var selectedItemValue = comboBox_Clients.SelectedValue as string;
+            if (selectedItemValue == "广播")
+            {
+                clientForSend = _remoteClientDic.Where(q => q.Value.Connected == true).Select(d => d.Value).ToList();
+            }
+            else
+            {
+                var queryItem = _remoteClientDic.FirstOrDefault(q => q.Key == comboBox_Clients.SelectedValue.ToString());
+
+                clientForSend.Add(queryItem.Value);
+            }
+
+            foreach (var client in clientForSend)
+            {
+                try
+                {
+                    var message = textBox_SendData.Text.Trim();
+                    byte[] buffer = Encoding.UTF8.GetBytes(message);
+                    NetworkStream networkStream = client.GetStream();
+                    networkStream.Write(buffer, 0, buffer.Length);
+
+                    WriteLog($"发送数据成功：{message}");
+                }
+                catch (Exception ex)
+                {
+                    WriteLog($"{ex.Message}");
+                }
+                finally
+                {
+
+                }
+            }
+        }
+
+        /// <summary>
+        /// 写日志信息
+        /// </summary>
+        private void WriteLog(string message)
+        {
+            Dispatcher.BeginInvoke(new Action(() =>
+            {
+                richTextBox_Log.AppendText($"{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")} {message}{System.Environment.NewLine}");
+                richTextBox_Log.ScrollToEnd();
+                Console.WriteLine(message);
+            }));
+        }
+
+        /// <summary>
+        /// 重新设置客户端列表项
+        /// </summary>
+        private void ResetClientsItems()
+        {
+            Dispatcher.BeginInvoke(new Action(() =>
+           {
+               //字典中的远程客户端同步到下拉列表项
+               foreach (var clientItem in _remoteClientDic)
+               {
+                   if (!comboBox_Clients.Items.Contains(clientItem.Key))
+                   {
+                       comboBox_Clients.Items.Add(clientItem.Key);
+                   }
+               }
+
+               //从下拉项中移除已经下线的远程客户端
+               for (int i = 0; i < comboBox_Clients.Items.Count; i++)
+               {
+                   var itemValue = comboBox_Clients.Items[i] as string;
+
+                   if (itemValue == null)
+                   {
+                       continue;
+                   }
+
+                   if (itemValue.Contains("广播"))
+                   {
+                       continue;
+                   }
+
+                   if (!_remoteClientDic.ContainsKey(itemValue))
+                   {
+                       comboBox_Clients.Items.Remove(comboBox_Clients.Items[i]);
+                   }
+               }
+           }));
+        }
+
+        /// <summary>
+        /// 监听客户端连接方法
+        /// </summary>
+        private void AcceptTcpClient(Object? tcpListener)
+        {
+            TcpListener? tcpServer = tcpListener as TcpListener;
+
+            if (tcpServer == null)
+            {
+                WriteLog("调用监听连接方法时，参数为null，将监听不到客户端连接！");
+                return;
+            }
+
+            WriteLog("开始监听客户端连接...");
+            //无限循环：处理多个客户端连接
+            while (_tcpServer.Server.IsBound)
+            {
+                TcpClient remoteClientSocket = null;
+                try
+                {
+                    //阻塞等待操作
+                    remoteClientSocket = _tcpServer.AcceptTcpClient();
+                    WriteLog("接收到连接请求...");
+
+                    var remoteEndPoint = remoteClientSocket.Client.RemoteEndPoint as IPEndPoint;
+                    if (remoteEndPoint == null)
+                    {
+                        continue;
+                    }
+
+                    string ipAndPortKey = $"{remoteEndPoint.Address}:{remoteEndPoint.Port}";
+
+                    if (!_remoteClientDic.ContainsKey(ipAndPortKey))
+                    {
+                        _remoteClientDic.TryAdd(ipAndPortKey, remoteClientSocket);
+                    }
+
+                    ResetClientsItems();
+
+                    //接收数据线程
+                    Thread receviceThread = new Thread(ReciveData);
+                    receviceThread.IsBackground = true;
+                    receviceThread.Start(remoteClientSocket);
+
+                    WriteLog("连接请求处理完成!");
+                }
+                catch (SocketException socketException)
+                {
+                    //移除客户端
+                    remoteClientSocket?.Close();
+                    remoteClientSocket?.Dispose();
+
+                    WriteLog($"出现Socket异常：{socketException.Message}");
+                }
+                catch (Exception ex)
+                {
+                    //移除客户端
+                    remoteClientSocket?.Close();
+                    remoteClientSocket?.Dispose();
+
+                    WriteLog($"出现异常：{ex.Message}");
+                }
+                finally
+                {
+                }
+            }
+
+            //清空客户端
+            _remoteClientDic.Clear();
+            ResetClientsItems();
+
+            WriteLog($"监听客户端连接的线程，退出！线程托管Id={Thread.CurrentThread.ManagedThreadId}");
+        }
+
+        /// <summary>
+        ///  接收客户端数据方法
+        /// </summary>
+        private void ReciveData(object? tcpClient)
+        {
+            if (tcpClient == null)
+            {
+                WriteLog($"接收数据出错：客户端参数{nameof(tcpClient)}为 null");
+                return;
+            }
+
+            TcpClient remoteClient = (TcpClient)tcpClient;
+            IPEndPoint? remoteEndPoint = remoteClient.Client?.RemoteEndPoint as IPEndPoint;
+            string remoteClientKey = $"{remoteEndPoint?.Address}:{remoteEndPoint?.Port}";
+
+            try
+            {
+                while (remoteClient.Connected)
+                {
+                    NetworkStream remoteClientStream = remoteClient.GetStream();
+                    byte[] buffer = new byte[8096];
+
+                    //阻塞等待操作
+                    var readCount = remoteClientStream.Read(buffer, 0, buffer.Length);
+
+                    //为0代表客户端主动发送关闭操作数据。平常时，即使发送0长度数据也不会是0
+                    if (readCount == 0)
+                    {
+                        remoteClientStream.Close();
+                        remoteClientStream.Dispose();
+
+                        WriteLog($"接收[{remoteClientKey}]关闭连接请求数据。");
+                        break;
+                    }
+                    var message = Encoding.UTF8.GetString(buffer, 0, readCount);
+                    WriteLog($"接收到[{remoteClientKey}]数据：{message}");
+                }
+            }
+            catch (SocketException socketException)
+            {
+                WriteLog($"接收到[{remoteClientKey}]数据异常：{socketException.Message}");
+            }
+            catch (Exception ex)
+            {
+                WriteLog($"接收到[{remoteClientKey}]数据异常：{ex.Message}");
+            }
+            finally
+            {
+                remoteClient.Close();
+                remoteClient.Dispose();
+
+                _remoteClientDic.Remove(remoteClientKey, out var sss);
+                ResetClientsItems();
+
+                WriteLog($"接收[{remoteClientKey}]数据的线程退出：线程托管Id={Thread.CurrentThread.ManagedThreadId}");
+            }
+        }
+    }
+}

SocketStudy.ServerApp/SocketStudy.ServerApp.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="Images\logo.ico" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Resource Include="Images\logo.ico">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+  </ItemGroup>
+
+</Project>

SocketStudy.sln

@@ -0,0 +1,37 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.2.32519.379
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SocketStudy.ServerApp", "SocketStudy.ServerApp\SocketStudy.ServerApp.csproj", "{728CF602-AF27-4450-B042-C1D7996ED6A2}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SocketStudy.ClientApp", "SocketStudy.ClientApp\SocketStudy.ClientApp.csproj", "{ED05BC97-29C5-443E-A30D-6F3DC0F8F81F}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SocketStudyTest", "SocketStudyTest\SocketStudyTest.csproj", "{AB061217-61AE-4687-91D2-7A14EFD16FCF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{728CF602-AF27-4450-B042-C1D7996ED6A2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{728CF602-AF27-4450-B042-C1D7996ED6A2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{728CF602-AF27-4450-B042-C1D7996ED6A2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{728CF602-AF27-4450-B042-C1D7996ED6A2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ED05BC97-29C5-443E-A30D-6F3DC0F8F81F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ED05BC97-29C5-443E-A30D-6F3DC0F8F81F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ED05BC97-29C5-443E-A30D-6F3DC0F8F81F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ED05BC97-29C5-443E-A30D-6F3DC0F8F81F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AB061217-61AE-4687-91D2-7A14EFD16FCF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AB061217-61AE-4687-91D2-7A14EFD16FCF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AB061217-61AE-4687-91D2-7A14EFD16FCF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AB061217-61AE-4687-91D2-7A14EFD16FCF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {5BC40834-E7D0-4639-B789-40226A913F55}
+	EndGlobalSection
+EndGlobal

SocketStudyTest/SocketStudyTest.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

SocketStudyTest/SocketTest.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SocketStudyTest
+{
+    public class SocketTest
+    {
+        [Fact]
+        public void Test()
+        {
+            var hostName = Dns.GetHostName();
+            var ipaddressList = Dns.GetHostAddresses(hostName,AddressFamily.InterNetwork);
+
+            var first = ipaddressList.FirstOrDefault(ip => ip.ToString().StartsWith("192"));
+            if (first !=null)
+            {
+
+            }
+
+            var dd = IPAddress.Any.ToString();
+        }
+    }
+}

SocketStudyTest/UseXunit.cs

@@ -0,0 +1,11 @@
+namespace SocketStudyTest
+{
+    public class UseXunit
+    {
+        [Fact]
+        public void Test1()
+        {
+            Assert.True(true,"使用xunit测试框架！");
+        }
+    }
+}

SocketStudyTest/Usings.cs

@@ -0,0 +1,8 @@
+global using Xunit;
+global using System.Net;
+global using System.Net.Sockets;
+global using System.IO;
+global using System.Net.Cache;
+global using System.Net.Mime;
+global using System.Net.NetworkInformation;
+global using System.Net.Security;