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 程式師世界 >> 編程語言 >> C語言 >> 關於C語言 >> C# 2.0套接字編程實例初探(2)

C# 2.0套接字編程實例初探(2)

編輯:關於C語言

下面看一個完整的例子,client向server發送一段測試字符串,server接收並顯示出來,給予clIEnt成功響應。

//clIEnt端
using System;
using System.Text;
using System.IO;
using System.Net;
using System.Net.Sockets;
namespace socketsample
{
 class Class1
 {
  static void Main()
  {
   try
   {
    int port = 2000;
    string host = "127.0.0.1";
    IPAddress ip = IPAddress.Parse(host);
    IPEndPoint ipe = new IPEndPoint(ip, port);//把ip和端口轉化為IPEndPoint實例
    Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//創建一個Socket
    Console.WriteLine("Conneting...");
    c.Connect(ipe);//連接到服務器
    string sendStr = "hello!This is a socket test";
    byte[] bs = Encoding.ASCII.GetBytes(sendStr);
    Console.WriteLine("Send Message");
    c.Send(bs, bs.Length, 0);//發送測試信息
    string recvStr = "";
    byte[] recvBytes = new byte[1024];
    int bytes;
    bytes = c.Receive(recvBytes, recvBytes.Length, 0);//從服務器端接受返回信息
    recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
    Console.WriteLine("ClIEnt Get Message:{0}", recvStr);//顯示服務器返回信息
    c.Close();
   }
   catch (ArgumentNullException e)
   {
    Console.WriteLine("ArgumentNullException: {0}", e);
   }
   catch (SocketException e)
   {
    Console.WriteLine("SocketException: {0}", e);
   }
   Console.WriteLine("Press Enter to Exit");
   Console.ReadLine();
  }
 }
}
//server端
using System;
using System.Text;
using System.IO;
using System.Net;
using System.Net.Sockets;
namespace Project1
{
 class Class2
 {
  static void Main()
  {
   try
   {
    int port = 2000;
    string host = "127.0.0.1";
    IPAddress ip = IPAddress.Parse(host);
    IPEndPoint ipe = new IPEndPoint(ip, port);
    Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//創建一個Socket類
    s.Bind(ipe);//綁定2000端口
    s.Listen(0);//開始監聽
    Console.WriteLine("Wait for connect");
    Socket temp = s.Accept();//為新建連接創建新的Socket。
    Console.WriteLine("Get a connect");
    string recvStr = "";
    byte[] recvBytes = new byte[1024];
    int bytes;
    bytes = temp.Receive(recvBytes, recvBytes.Length, 0);//從客戶端接受信息
    recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
    Console.WriteLine("Server Get Message:{0}",recvStr);//把客戶端傳來的信息顯示出來
    string sendStr = "Ok!ClIEnt Send Message Sucessful!";
    byte[] bs = Encoding.ASCII.GetBytes(sendStr);
    temp.Send(bs, bs.Length, 0);//返回客戶端成功信息
    temp.Close();
    s.Close();
   }
   catch (ArgumentNullException e)
   {
    Console.WriteLine("ArgumentNullException: {0}", e);
   }
   catch (SocketException e)
   {
    Console.WriteLine("SocketException: {0}", e);
   }
   Console.WriteLine("Press Enter to Exit");
   Console.ReadLine();
  }
 }
}

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