C#实现.Net Remoting服务端与客户端通信

private void btnStartServer_Click(object sender, EventArgs e)

        {

            //创建通信侦听通道对象

            TcpServerChannel channel = new TcpServerChannel(8086);

 

            //注册通信侦听通道

            ChannelServices.RegisterChannel(channel, true);

 

            //注册对象URI, 注册两个远程对象

            RemotingConfiguration.RegisterWellKnownServiceType(typeof(HelloData), HelloData.ObjectURI,

            WellKnownObjectMode.SingleCall);

 

            //注册对象URI, 注册两个远程对象

            RemotingConfiguration.RegisterWellKnownServiceType(typeof(CommonService), CommonService.ObjectURI,

            WellKnownObjectMode.SingleCall);

 

            lblServer.Text = "服务器已启动！";

            label1.Text = "已启动URI:\r\n" + HelloData.ObjectURI + "\r\n" + CommonService.ObjectURI;

        }

private void btnServer_Click(object sender, EventArgs e)

        {

            try

            {

                HelloData obj = (HelloData)Activator.GetObject(typeof(HelloData),

                    txtUrl.Text + "/" + HelloData.ObjectURI);

 

                if (obj == null)

                {

                    MessageBox.Show("找不到服务器!");

                    return;

                }

 

                MessageBox.Show(obj.Greeting("易学网 www.vjsdn.com "));

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }

 

  private void btnCallService_Click(object sender, EventArgs e)

        {

            try

            {

                CommonService obj = (CommonService)Activator.GetObject(typeof(CommonService),

                    txtUrl.Text + "/" + CommonService.ObjectURI);

 

                if (obj == null)

                {

                    MessageBox.Show("找不到服务器!");

                    return;

                }

 

                //从远程服务器接受DataTable类型的数据

                DataTable onlines = obj.GetOnlineList();

                dataGridView1.DataSource = onlines;

 

                MessageBox.Show("获取数据成功1");

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }

public class CommonService : System.MarshalByRefObject
{
   /// <summary>
   /// 服务名称,对象的URI地址
   /// </summary>
   public static string ObjectURI { get { return "CommonServiceURI"; } }
   
   /// <summary>
   /// 给客户端调用的接口
   /// </summary>
   /// <param name="name"></param>
   /// <returns></returns>
   public DataTable GetOnlineList()
   {
      //从SQL后台获取数据...省略...
      
      DataTable dt = new DataTable();
      dt.Columns.Add("UserID", typeof(string));
      dt.Rows.Add(new object[] { "易学原创" });
      dt.Rows.Add(new object[] { "小猫" });
      dt.Rows.Add(new object[] { "楚楚" });
      return dt;
   }
   
}

public class HelloData : System.MarshalByRefObject
{
   /// <summary>
   /// 服务名称,对象的URI地址
   /// </summary>
   public static string ObjectURI { get { return "HellURI"; } }
   
   /// <summary>
   /// 给客户端调用的接口
   /// </summary>
   /// <param name="name"></param>
   /// <returns></returns>
   public string Greeting(string name)
   {
      return "您好!" + name;
   }
}