.net 5 SignalR WPF 服务端+客户端

 服务端：

Microsoft.AspNetCore.SignalR；

Microsoft.AspNetCore.SignalR.Common；

Microsoft.AspNetCore.SignalR.Core；

Microsoft.Extensions.Hosting

Microsoft.AspNetCore.App；

客户端：

Microsoft.AspNetCore.SignalR.Client；

--------------------------------------------------------------

服务端代码：

const string ServerURI = "http://localhost:51180";
        private IHost _host;
        public MainWindow()
        {
            InitializeComponent();
            
        }
        private async void Button_Click(object sender, RoutedEventArgs e)
        {
            _host?.Dispose();
            _host = Host.CreateDefaultBuilder()
                .ConfigureWebHostDefaults(webBuilder => webBuilder
                    .UseUrls(ServerURI)
                    .ConfigureServices(services => services.AddSignalR())
                    .Configure(app =>
                    {
                        app.UseRouting();
                        app.UseEndpoints(endpoints => endpoints.MapHub<MyHub>("/MyHub"));
                    }))
               .Build();
            await _host.StartAsync();
        }

public class MyHub:Hub
    {
        
        public override Task OnConnectedAsync()
        {
           
            return base.OnConnectedAsync();
        }
        public override Task OnDisconnectedAsync(Exception exception)
        {
            return base.OnDisconnectedAsync(exception);
        }
        public async Task SendAsync(string name)
        {
            var c = Context.ConnectionId.AsEnumerable();
            await Clients.All.SendAsync("FormServerMessage",$"客户端：{Context.ConnectionId }");
        }
    }

客户端代码：

using Microsoft.AspNetCore.SignalR.Client;
using System;
using System.Collections.Generic;
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;

namespace WpfApp4
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        const string ServerURI = "http://localhost:51180/MyHub";
        HubConnection connection;
        public MainWindow()
        {
            InitializeComponent();
        }

        private void link_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                InitializeComponent();
                connection = new HubConnectionBuilder()
                   .WithUrl(ServerURI)
                   .WithAutomaticReconnect()
                   .Build();

                connection.Closed += async (error) =>
                {

                    await connection.StartAsync();
                };
                connection.On<string>("FormServerMessage", msg =>
                {
                    this.Dispatcher.BeginInvoke((Action)delegate
                    {
                        content.Text += $"
{msg}";
                    });
                });
                connection.StartAsync().ConfigureAwait(true);
            }
            catch (Exception)
            {

            }
        }

        private async void send_Click(object sender, RoutedEventArgs e)
        {
            //connection.StartAsync();
            try
            {
                await connection.InvokeAsync("SendAsync", "name:w");
            }
            catch (Exception)
            {

                72             }
        }
    }
}