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  • C#教程之C# socket demo

  • 2019-01-21 20:23 来源:未知

1. 服务器端代码

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 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Net;
 5 using System.Net.Sockets;
 6 using System.Text;
 7 using System.Threading;
 8 using System.Threading.Tasks;
 9 
10 namespace Sever
11 {
12     class Program
13     {
14         private static Socket severSocket = null;
15 
16         /// <summary>
17         /// 服务端程序
18         /// 1. 新建 socket,并绑定端口
19         /// 2. 接收客户端连接
20         /// 3. 给客户端发送信息
21         /// 4. 接收客户端信息
22         /// 5. 断开连接
23         /// </summary>
24         /// <param name="args"></param>
25         static void Main(string[] args)
26         {
27             severSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
28             IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, 9999);
29             severSocket.Bind(endPoint);                 // 绑定
30             severSocket.Listen(10);                     // 设置最大连接数
31             Console.WriteLine("开始监听");
32             Thread thread = new Thread(ListenClientConnect);        // 开启线程监听客户端连接
33             thread.Start();
34             Console.ReadKey();
35         }
36 
37         /// <summary>
38         /// 监听客户端连接
39         /// </summary>
40         private static void ListenClientConnect()
41         {
42             Socket clientSocket = severSocket.Accept();         // 接收客户端连接
43             Console.WriteLine("客户端连接成功 信息: " + clientSocket.AddressFamily.ToString());
44             clientSocket.Send(Encoding.Default.GetBytes("你连接成功了"));
45             Thread revThread = new Thread(ReceiveClientManage);
46             revThread.Start(clientSocket);
47         }
48 
49         private static void ReceiveClientManage(object clientSocket)
50         {
51             Socket socket = clientSocket as Socket;
52             byte[] buffer = new byte[1024];
53             int length = socket.Receive(buffer);        // 从客户端接收消息
54             Console.WriteLine("收到消息:" + Encoding.Default.GetString(buffer));
55         }
56     }
57 }
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2. 客户端代码

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 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Net;
 5 using System.Net.Sockets;
 6 using System.Text;
 7 using System.Threading.Tasks;
 8 
 9 namespace client
10 {
11     /// <summary>
12     /// 客户端程序
13     /// 1. 新建 Socket
14     /// 2. 连接服务器
15     /// 3. 接收服务器信息
16     /// 4. 向服务器发送信息
17     /// </summary>
18     class Program
19     {
20         private static Socket clientSocket = null;
21 
22         static void Main(string[] args)
23         {
24             clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
25             // 客户端不需要绑定, 需要连接
26             IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9999);   // 端口号要与服务器对应
27             clientSocket.Connect(endPoint);
28             Console.WriteLine("连接到服务器");
29             // 接收服务器信息
30             byte[] buffer = new byte[1024];
31             int length = clientSocket.Receive(buffer);
32             Console.WriteLine("收到消息: " + Encoding.Default.GetString(buffer));
33             // 向服务器发送消息
34             clientSocket.Send(Encoding.Default.GetBytes("你好服务器"));
35             Console.ReadKey();
36         }
37     }
38 }
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3. 运行截图

 

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