1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4 using System.Net.Sockets;
5 using System.Net;
6
7 namespace ConsoleApplication1
8 {
9 class Program
10 {
11 static void Main(string[] args)
12 {
13 // 1.创建套节字
14 Socket sListen = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
15
16 // 2.填充IP
17 IPAddress ip = IPAddress.Parse("127.0.0.1");
18 IPEndPoint ipe = new IPEndPoint(ip, 4321);
19
20 // 3.绑定
21 sListen.Bind(ipe);
22
23 // 4.监听
24 sListen.Listen(2);
25
26 // 5.循环接受客户的连接请求
27 while (true)
28 {
29 Socket clientSocket;
30 try
31 {
32 clientSocket = sListen.Accept();
33 }
34 catch
35 {
36 throw;
37 }
38 // 向客户端发送数据
39 clientSocket.Send(Encoding.Unicode.GetBytes("你好呀!!!!"));
40 }
41 }
42
43 }
44 }
45
1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4 using System.Net.Sockets;
5 using System.Net;
6
7 namespace ConsoleApplication2
8 {
9 class Program
10 {
11 static void Main(string[] args)
12 {
13 // 1.创建套节字
14 Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
15
16 // 2.填写远程IP
17 IPAddress ip = IPAddress.Parse("127.0.0.1");
18 IPEndPoint ipe = new IPEndPoint(ip, 4321);
19
20 // 3.连接服务器
21 Console.WriteLine("开始连接服务器....");
22 s.Connect(ipe);
23
24 // 4.接收数据
25 byte[] buffer = new byte[1024];
26 s.Receive(buffer, buffer.Length, SocketFlags.None);
27 var msg = Encoding.Unicode.GetString(buffer);
28 Console.WriteLine("接收消息: {0}", msg);
29
30 Console.ReadKey();
31 }
32 }
33 }