SignalR的另类实现技巧-白红宇的个人博客

SignalR的另类实现技巧

发布日期：2021-05-09 09:35:25 浏览次数：10 分类：博客文章

本文共 7016 字，大约阅读时间需要 23 分钟。

��WEB��SignalR��SignalR��B/S �� C/S��C/S��C/S��

��B/S �� C/S��ASP.NET �� Winform ����

��C#��winform��

��JS ��winform��

��:

ASP.NET ��

MyHub��

[HubName("myHub")]    public class MyHub : Hub    {        public static Action
    
      SendMsgAction = null;        public MyHub()        {            SendMsgAction = new Action
     
      (SendMsg);        }        private void SendMsg(string msg)        {            Clients.All.RecvMsg(msg);        }        [HubMethodName("broadcast")]        public void Broadcast(string msg)        {            if ("broadcast".Equals(Context.QueryString["identity"])) //���������������������������������������������������            {                SendMsg(msg);            }        }        public override System.Threading.Tasks.Task OnConnected()        {            return base.OnConnected();        }        [HubMethodName("testConnect")]        public void TestConnect()        {            System.Diagnostics.Debug.Write("ddd");        }    }

ASP.NET ��


    
                 ���������������

ASP.NET CS��

protected void Button1_Click(object sender, EventArgs e)        {            if(MyHub.SendMsgAction!=null)            {                MyHub.SendMsgAction("���������������������-" + txtmsg.Value);            }        }

��MyHub��MyHub��MyHub��SendMsg�� SendMsgAction��SendMsgAction��

��ASP.NET��

                
    
                 ���������������

��MyHub��CSharp�� JS��JS��JS��MyHub -->myHub��JS��Hub��HubName��HubMethodName��

winform��

1.��NuGet��SignalR.Client��

2.Winform CS��

public partial class Form1 : Form    {        private HubConnection connection = null;        private IHubProxy hubProxy = null;        private System.Threading.SynchronizationContext syncContext = null;        public Form1()        {            InitializeComponent();            syncContext = System.Threading.SynchronizationContext.Current;        }        private  void Form1_Load(object sender, EventArgs e)        {           CreateHubConnection();        }        ///         /// ������Hub���������������������        /// 
        private void CreateHubConnection()        {            connection = new HubConnection("http://localhost:3510/signalr");//SignalR���������������           hubProxy = connection.CreateHubProxy("MyHub");           hubProxy.On
    
     ("RecvMsg", RecvMsg); //������������������           connection.Start().Wait();        }                /// 
             /// ������SignalR������������������        /// 
        /// 
             private void RecvMsg(string msg)        {            syncContext.Post((o) => {                textBox1.Text += string.Format("{0:yyyy-MM-dd HH:mm:ss}{1}\r\n", DateTime.Now, o);            }, msg);        }        private void Form1_FormClosed(object sender, FormClosedEventArgs e)        {            connection.Dispose();        }        private void button1_Click(object sender, EventArgs e)        {            hubProxy.Invoke("TestConnect");//������SignalR������������������        }    }

��ASP.NET ��JS��HTTP��

��C/S �� C/S ��winform��winform����B/S��SignalR self Host��OWIN self Host��winform��winform��

winform��

1.��NuGet ��Microsoft.AspNet.SignalR��Microsoft.AspNet.SignalR Self Host,��

2.��Startup��SignalR��ASP.NET��Startup��

public class Startup    {        public void Configuration(IAppBuilder app)        {            app.MapSignalR();        }    }

3.��OWIN ��MyHub��

public partial class Form1 : Form    {        private IDisposable webHost = null;        public static Form1 Current = null;        public Form1()        {            InitializeComponent();            this.Text = "SignalR Winform���������";            Current = this;        }        private void Form1_Load(object sender, EventArgs e)        {            try            {                webHost = WebApp.Start
    
     ("http://localhost:3512");                label2.Text = "http://localhost:3512";            }            catch (Exception ex)            {                MessageBox.Show(ex.Message);            }        }        private void Form1_FormClosed(object sender, FormClosedEventArgs e)        {            try            {                webHost.Dispose();            }            catch            { }        }        private void button1_Click(object sender, EventArgs e)        {            if(MyHub.SendMsgAction!=null)            {                MyHub.SendMsgAction(textBox1.Text);            }        }        public void ShowMsg(string msg)        {            this.Invoke(new MethodInvoker(() => {                listBox1.Items.Add(msg);            }));        }    }

��

1.��Microsoft.AspNet.SignalR��Sciprts��winform��

2.��Microsoft.AspNet.SignalR Self Host��OWin��OWIN��OWIN��

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