This article come frome here
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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); } } }} |