socket编程 tcp/ip

来源：互联网发布：javascript格式化时间编辑：程序博客网时间：2024/04/25 02:17
客户端代码    using System;      using System.Collections.Generic;      using System.Text;      using System.Net;      using System.IO;      using System.Net.Sockets;      namespace client      {          class Program          {              static void Main(string[] args)              {                  try                  {                      //创建客户端socket，使用tcp通信协议                      TcpClient TcpClient = new TcpClient();                      TcpClient.Connect("127.0.0.1", 8888);   //指定地址与端口号                       Console.WriteLine("Connect Complete");                      Console.WriteLine("Input string:");                       //Connect方法使用指定的IP地址和端口号将客户端连接到远程TCP主机                      //读入控制台输入的文字                      String str = Console.ReadLine();                       Stream stm = TcpClient.GetStream();                        //Unity3D教程手册：www.unitymanual.com                    //定义数据流，用于发送和接收数据                      ASCIIEncoding AS = new ASCIIEncoding();                       //将字符串转换为byte类型                      byte[] b = AS.GetBytes(str);                       //Write(参数1，参数2，参数3)表示向服务端发送字符串                      //参数1指将此数组复制到当前流，参数2指从零开始的字节偏移量，参数3指要写入当前流的字节数(即字符串长度)                      stm.Write(b, 0, b.Length);                        Console.WriteLine("Send Complete");                      //Unity3D教程手册：www.unitymanual.com                     //stm.Read在当前流中读入服务端发来的响应信息，其参数与Write方法参数一致，k值为读入字符串的长度                      byte[] bb = new byte[100];                      int k = stm.Read(bb, 0, 100);                      for (int i = 0; i < k; i++)                          Console.Write(Convert.ToChar(bb[i]));                      TcpClient.Close();                         //释放TcpClient实例，并不关闭基础连接                      Console.ReadLine();                  }                  catch (Exception e)                  {                      Console.WriteLine("Error!" + e.StackTrace);                  }              }          }      }  服务端代码    using System;      using System.Collections.Generic;      using System.Text;      using System.Net;      using System.Net.Sockets;      namespace server      {          class Program          {              static void Main(string[] args)              {                  try                  {                      //创建listener，ip-地址，port-端口                      IPAddress Ip = IPAddress.Parse("127.0.0.1");                          TcpListener TcpList = new TcpListener(Ip, 8888);                      TcpList.Start();                        Console.WriteLine("Server start!");                      Console.WriteLine("Ip address:" + TcpList.LocalEndpoint);                      //LocalEndpoint获取服务端(即本地)地址与端口等信息                      Console.WriteLine("Wait");                       //获取监听到的socket                      Socket Soc = TcpList.AcceptSocket();                       Console.WriteLine("Received Connection:" + Soc.RemoteEndPoint);                        //接收到的信息    //Unity3D教程手册：www.unitymanual.com                    byte[] b = new byte[100];                      //Soc.Receive(b)从socket接收数据，将数据存入接收缓冲区列表中，k的值为该数据的长度                      int k = Soc.Receive(b);                      Console.WriteLine("Received data from client:");                      for (int i = 0; i < k; i++)                          //Convert.ToChar(b)将数组b转换基本数据类型为char的类型并输出                          Console.Write(Convert.ToChar(b[i]));                       //发送信息                      //ASCIIEncoding表示Unicode字符的ASCII字符编码类                      ASCIIEncoding AS = new ASCIIEncoding();                       //Unity3D教程手册：www.unitymanual.com                    //Soc.Send向客户端发送数据，AS.GetBytes()获得括号中字符串的bytes值                      Soc.Send(AS.GetBytes("Received data!"));                          //关闭连接并释放所有关联的资源                      Soc.Close();                          //关闭侦听                      TcpList.Stop();                          //等待输入，起到暂停的作用                      Console.ReadLine();                   }                  catch(Exception e)                  {                      Console.WriteLine("Error!" + e.StackTrace);                      //获取当前异常发生时调用堆栈上的帧的字符串                  }              }          }      }
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