C#如何使用客户端向服务器发送更多消息？

我正在用TCP协议编写一个客户机-服务器套接字C#，以创建一种“客户机询问，服务器应答”，但当我执行第一个命令时，我的客户机关闭了。我应该把时间放在某个地方，但我不知道在哪里。代码如下：

客户

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SynchronousSocketClient
{

public static void StartClient()
{
    // Data buffer for incoming data.
    byte[] bytes = new byte[1024];

    // Connect to a remote device.
    try
    {
        // Establish the remote endpoint for the socket.
        // This example uses port 11000 on the local computer.
        IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
        IPAddress ipAddress = ipHostInfo.AddressList[0];
        IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);

        // Create a TCP/IP  socket.
        Socket sender = new Socket(AddressFamily.InterNetwork,
            SocketType.Stream, ProtocolType.Tcp);            
        // Connect the socket to the remote endpoint. Catch any errors.
        try
        {
            sender.Connect(remoteEP);             
            Console.WriteLine("Socket connected to {0}", sender.RemoteEndPoint.ToString());

            Console.WriteLine("Insert text to send to server");
            String a = Console.ReadLine(); //This is a test<EOF>
            // Encode the data string into a byte array.
            byte[] msg = Encoding.ASCII.GetBytes(a);

            // Send the data through the socket.
            int bytesSent = sender.Send(msg);

            // Receive the response from the remote device.
            int bytesRec = sender.Receive(bytes);
            Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));                

            // Release the socket.
            //sender.Shutdown(SocketShutdown.Both);
            //sender.Close();

        }
        catch (ArgumentNullException ane)
        {
            Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
        }
        catch (SocketException se)
        {
            Console.WriteLine("SocketException : {0}", se.ToString());
        }
        catch (Exception e)
        {
            Console.WriteLine("Unexpected exception : {0}", e.ToString());
        }            

    }
    catch (Exception e)
    {
        Console.WriteLine(e.ToString());
    }
}

public static int Main(String[] args)
{
    StartClient();
    //To avoid Prompt disappear
    Console.Read();
    return 0;
}

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SynchronousSocketClient
{

    public static void StartClient()
    {
        // Data buffer for incoming data.
        byte[] bytes = new byte[1024];

        // Connect to a remote device.
        try
        {
            // Establish the remote endpoint for the socket.
            // This example uses port 11000 on the local computer.
            IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
            IPAddress ipAddress = ipHostInfo.AddressList[0];
            IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);

            // Create a TCP/IP  socket.
            Socket sender = new Socket(AddressFamily.InterNetwork,
                SocketType.Stream, ProtocolType.Tcp);
            // Connect the socket to the remote endpoint. Catch any errors.
            try
            {

                    sender.Connect(remoteEP);
                    Console.WriteLine("Socket connected to {0}", sender.RemoteEndPoint.ToString());

                while (true)
                {

                    Console.WriteLine("Insert text to send to server");
                    String a = Console.ReadLine(); //This is a test<EOF>
                                                   // Encode the data string into a byte array.
                    byte[] msg = Encoding.ASCII.GetBytes(a);

                    // Send the data through the socket.
                    int bytesSent = sender.Send(msg);

                    // Receive the response from the remote device.
                    int bytesRec = sender.Receive(bytes);
                    Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));

                }
                // Release the socket.
                //sender.Shutdown(SocketShutdown.Both);
                //sender.Close();

            }
            catch (ArgumentNullException ane)
            {
                Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
            }
            catch (SocketException se)
            {
                Console.WriteLine("SocketException : {0}", se.ToString());
            }
            catch (Exception e)
            {
                Console.WriteLine("Unexpected exception : {0}", e.ToString());
            }

        }
        catch (Exception e)
        {
            Console.WriteLine(e.ToString());
        }
    }

    public static int Main(String[] args)
    {
        StartClient();
        //To avoid Prompt disappear
        Console.Read();
        return 0;
    }
}

}

现在，如果您复制粘贴此代码并执行服务器，然后执行客户端，您可以在客户端提示符中写入一些内容并获得答案，但在2次尝试客户端关闭时，因为没有时间继续此过程！我试图把，而不是尝试和进入，但代码崩溃！如果您需要帮助，我们将不胜感激。如果您的帮助或解决方案相同，请回答：）

---

谢谢大家

我对使用套接字的知识有限。但是，我知道您只能给以下人员打一次电话：

Socket handler = listener.Accept();

我在上面的一行下面添加了一个while循环，还删除了if条件末尾的break语句

因此，新代码变成：

客户

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SynchronousSocketClient
{

public static void StartClient()
{
    // Data buffer for incoming data.
    byte[] bytes = new byte[1024];

    // Connect to a remote device.
    try
    {
        // Establish the remote endpoint for the socket.
        // This example uses port 11000 on the local computer.
        IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
        IPAddress ipAddress = ipHostInfo.AddressList[0];
        IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);

        // Create a TCP/IP  socket.
        Socket sender = new Socket(AddressFamily.InterNetwork,
            SocketType.Stream, ProtocolType.Tcp);            
        // Connect the socket to the remote endpoint. Catch any errors.
        try
        {
            sender.Connect(remoteEP);             
            Console.WriteLine("Socket connected to {0}", sender.RemoteEndPoint.ToString());

            Console.WriteLine("Insert text to send to server");
            String a = Console.ReadLine(); //This is a test<EOF>
            // Encode the data string into a byte array.
            byte[] msg = Encoding.ASCII.GetBytes(a);

            // Send the data through the socket.
            int bytesSent = sender.Send(msg);

            // Receive the response from the remote device.
            int bytesRec = sender.Receive(bytes);
            Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));                

            // Release the socket.
            //sender.Shutdown(SocketShutdown.Both);
            //sender.Close();

        }
        catch (ArgumentNullException ane)
        {
            Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
        }
        catch (SocketException se)
        {
            Console.WriteLine("SocketException : {0}", se.ToString());
        }
        catch (Exception e)
        {
            Console.WriteLine("Unexpected exception : {0}", e.ToString());
        }            

    }
    catch (Exception e)
    {
        Console.WriteLine(e.ToString());
    }
}

public static int Main(String[] args)
{
    StartClient();
    //To avoid Prompt disappear
    Console.Read();
    return 0;
}

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SynchronousSocketClient
{

    public static void StartClient()
    {
        // Data buffer for incoming data.
        byte[] bytes = new byte[1024];

        // Connect to a remote device.
        try
        {
            // Establish the remote endpoint for the socket.
            // This example uses port 11000 on the local computer.
            IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
            IPAddress ipAddress = ipHostInfo.AddressList[0];
            IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);

            // Create a TCP/IP  socket.
            Socket sender = new Socket(AddressFamily.InterNetwork,
                SocketType.Stream, ProtocolType.Tcp);
            // Connect the socket to the remote endpoint. Catch any errors.
            try
            {

                    sender.Connect(remoteEP);
                    Console.WriteLine("Socket connected to {0}", sender.RemoteEndPoint.ToString());

                while (true)
                {

                    Console.WriteLine("Insert text to send to server");
                    String a = Console.ReadLine(); //This is a test<EOF>
                                                   // Encode the data string into a byte array.
                    byte[] msg = Encoding.ASCII.GetBytes(a);

                    // Send the data through the socket.
                    int bytesSent = sender.Send(msg);

                    // Receive the response from the remote device.
                    int bytesRec = sender.Receive(bytes);
                    Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));

                }
                // Release the socket.
                //sender.Shutdown(SocketShutdown.Both);
                //sender.Close();

            }
            catch (ArgumentNullException ane)
            {
                Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
            }
            catch (SocketException se)
            {
                Console.WriteLine("SocketException : {0}", se.ToString());
            }
            catch (Exception e)
            {
                Console.WriteLine("Unexpected exception : {0}", e.ToString());
            }

        }
        catch (Exception e)
        {
            Console.WriteLine(e.ToString());
        }
    }

    public static int Main(String[] args)
    {
        StartClient();
        //To avoid Prompt disappear
        Console.Read();
        return 0;
    }
}

---

我对使用插座的知识有限。但是，我知道您只能给以下人员打一次电话：

Socket handler = listener.Accept();

我在上面的一行下面添加了一个while循环，还删除了if条件末尾的break语句

因此，新代码变成：

客户

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SynchronousSocketClient
{

public static void StartClient()
{
    // Data buffer for incoming data.
    byte[] bytes = new byte[1024];

    // Connect to a remote device.
    try
    {
        // Establish the remote endpoint for the socket.
        // This example uses port 11000 on the local computer.
        IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
        IPAddress ipAddress = ipHostInfo.AddressList[0];
        IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);

        // Create a TCP/IP  socket.
        Socket sender = new Socket(AddressFamily.InterNetwork,
            SocketType.Stream, ProtocolType.Tcp);            
        // Connect the socket to the remote endpoint. Catch any errors.
        try
        {
            sender.Connect(remoteEP);             
            Console.WriteLine("Socket connected to {0}", sender.RemoteEndPoint.ToString());

            Console.WriteLine("Insert text to send to server");
            String a = Console.ReadLine(); //This is a test<EOF>
            // Encode the data string into a byte array.
            byte[] msg = Encoding.ASCII.GetBytes(a);

            // Send the data through the socket.
            int bytesSent = sender.Send(msg);

            // Receive the response from the remote device.
            int bytesRec = sender.Receive(bytes);
            Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));                

            // Release the socket.
            //sender.Shutdown(SocketShutdown.Both);
            //sender.Close();

        }
        catch (ArgumentNullException ane)
        {
            Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
        }
        catch (SocketException se)
        {
            Console.WriteLine("SocketException : {0}", se.ToString());
        }
        catch (Exception e)
        {
            Console.WriteLine("Unexpected exception : {0}", e.ToString());
        }            

    }
    catch (Exception e)
    {
        Console.WriteLine(e.ToString());
    }
}

public static int Main(String[] args)
{
    StartClient();
    //To avoid Prompt disappear
    Console.Read();
    return 0;
}

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

public class SynchronousSocketClient
{

    public static void StartClient()
    {
        // Data buffer for incoming data.
        byte[] bytes = new byte[1024];

        // Connect to a remote device.
        try
        {
            // Establish the remote endpoint for the socket.
            // This example uses port 11000 on the local computer.
            IPHostEntry ipHostInfo = Dns.Resolve(Dns.GetHostName());
            IPAddress ipAddress = ipHostInfo.AddressList[0];
            IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);

            // Create a TCP/IP  socket.
            Socket sender = new Socket(AddressFamily.InterNetwork,
                SocketType.Stream, ProtocolType.Tcp);
            // Connect the socket to the remote endpoint. Catch any errors.
            try
            {

                    sender.Connect(remoteEP);
                    Console.WriteLine("Socket connected to {0}", sender.RemoteEndPoint.ToString());

                while (true)
                {

                    Console.WriteLine("Insert text to send to server");
                    String a = Console.ReadLine(); //This is a test<EOF>
                                                   // Encode the data string into a byte array.
                    byte[] msg = Encoding.ASCII.GetBytes(a);

                    // Send the data through the socket.
                    int bytesSent = sender.Send(msg);

                    // Receive the response from the remote device.
                    int bytesRec = sender.Receive(bytes);
                    Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));

                }
                // Release the socket.
                //sender.Shutdown(SocketShutdown.Both);
                //sender.Close();

            }
            catch (ArgumentNullException ane)
            {
                Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
            }
            catch (SocketException se)
            {
                Console.WriteLine("SocketException : {0}", se.ToString());
            }
            catch (Exception e)
            {
                Console.WriteLine("Unexpected exception : {0}", e.ToString());
            }

        }
        catch (Exception e)
        {
            Console.WriteLine(e.ToString());
        }
    }

    public static int Main(String[] args)
    {
        StartClient();
        //To avoid Prompt disappear
        Console.Read();
        return 0;
    }
}

---

下面我的解决方案你做得怎么样？我没有时间测试它！今晚我会告诉你：）@berniefitz，它不起作用！你得到了什么错误？你是如何使用我下面的解决方案的？没有时间测试它！今晚我会告诉你：）@berniefitz，它不起作用！你犯了什么错误？