• C#:Socket通信


    C#:Socket通信

    之前一直想自己搞把C#的Socket代码,一直没有下手,今晚终于实践了一把。现把流程编写出来,以备后用。

    很简单的源码。

    工具:Vs2010

    建立项目:C# 控制台应用程序


    Server代码

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    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    //添加Socket类
    using System.Net;
    using System.Net.Sockets;
      
    namespace SockeConsoleServer
    {
        class Program
        {
            static void Main(string[] args)
            {
                int port = 2000;
                string host = "127.0.0.1";
      
                //创建终结点
                IPAddress ip = IPAddress.Parse(host);
                IPEndPoint ipe = new IPEndPoint(ip,port); 
      
                //创建Socket并开始监听
      
                Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //创建一个Socket对象,如果用UDP协议,则要用SocketTyype.Dgram类型的套接字
                s.Bind(ipe);    //绑定EndPoint对象(2000端口和ip地址)
                s.Listen(0);    //开始监听
      
                Console.WriteLine("等待客户端连接");
      
                //接受到Client连接,为此连接建立新的Socket,并接受消息
                Socket temp = s.Accept();   //为新建立的连接创建新的Socket
                Console.WriteLine("建立连接");
                string recvStr = "";
                byte[] recvBytes = new byte[1024];
                int bytes;
                bytes = temp.Receive(recvBytes,recvBytes.Length,0); //从客户端接受消息
                recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
      
                //给Client端返回信息
                Console.WriteLine("server get message:{0}",recvStr);    //把客户端传来的信息显示出来
                string sendStr = "ok!Client send message successful!";
                byte[] bs = Encoding.ASCII.GetBytes(sendStr);
                temp.Send(bs,bs.Length,0);  //返回信息给客户端
                temp.Close();
                s.Close();
                Console.ReadLine();
      
            }
        }
    }

      


    Client代码:

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    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    //添加用于Socket的类
    using System.Net;
    using System.Net.Sockets;
      
    namespace SocketConsoleClient
    {
        class Program
        {
            static void Main(string[] args)
            {
                try
                {
                    int port = 2000;
                    string host = "127.0.0.1";
                    //创建终结点EndPoint
                    IPAddress ip = IPAddress.Parse(host);
                    IPEndPoint ipe = new IPEndPoint(ip, port);   //把ip和端口转化为IPEndPoint的实例
      
                    //创建Socket并连接到服务器
                    Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);   //  创建Socket
                    Console.WriteLine("Connecting...");
                    c.Connect(ipe); //连接到服务器
      
                    //向服务器发送信息
                    string sendStr = "Hello,this is a socket test";
                    byte[] bs = Encoding.ASCII.GetBytes(sendStr);   //把字符串编码为字节
      
                    Console.WriteLine("Send message");
                    c.Send(bs, bs.Length, 0); //发送信息
      
                    //接受从服务器返回的信息
                    string recvStr = "";
                    byte[] recvBytes = new byte[1024];
                    int bytes;
                    bytes = c.Receive(recvBytes, recvBytes.Length, 0);    //从服务器端接受返回信息
                    recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
                    Console.WriteLine("client get message:{0}", recvStr);    //回显服务器的返回信息
      
                    Console.ReadLine();
                    //一定记着用完Socket后要关闭
                    c.Close();
                }
                catch (ArgumentException e)
                {
                    Console.WriteLine("argumentNullException:{0}", e);
                }
                catch (SocketException e)
                {
                    Console.WriteLine("SocketException:{0}",e);
                }
            }
        }
    }

      


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  • 原文地址:https://www.cnblogs.com/gosteps/p/5302783.html
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