这篇文章主要介绍了C#基于Sockets类如何实现TCP通讯，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
具体内容如下
最终效果
TCPClient
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.Net;using System.Net.Sockets;using System.Threading;namespace TCPClient02{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } Socket socketSend; private void button1_Click(object sender, EventArgs e) { //Create socket socketSend = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IPAddress ip = IPAddress.Parse(textBox1.Text); IPEndPoint point = new IPEndPoint(ip, Convert.ToInt32(textBox2.Text)); IDInfo idinfo = new IDInfo(); //Read ID number information //Get the IP address and port number of the remote server socketSend.Connect(point); ShowMessages("Connection succeeded"); //Start a new thread and keep receiving messages sent by the server Thread th = new Thread(ReciveMessages); th.IsBackground = true; th.Start(); } private void button2_Click(object sender, EventArgs e) { string str = textBox3.Text.Trim(); byte[] buffer = System.Text.Encoding.UTF8.GetBytes(str); socketSend.Send(buffer); } void ShowMessages(string str) { textBox4.AppendText(str + "\r\n"); } void ReciveMessages() { while (true) { byte[] buffer = new byte[1024 * 1024 * 3]; int r = socketSend.Receive(buffer); if (r == 0) { break; } string s = Encoding.UTF8.GetString(buffer, 0, r); ShowMessages(socketSend.RemoteEndPoint + ":" + s); } } private void Form1_Load(object sender, EventArgs e) { Control.CheckForIllegalCrossThreadCalls = false; } }}TCPserver
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using System.Net.Sockets;using System.Net;using System.Threading;namespace TCPserver{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { try { //创建一个负责监听的Socket Socket socketWatch = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //创建ip地址和端口号 //IPAddress ip = IPAddress.Parse(textBox1.Text); IPAddress ip = IPAddress.Any; IPEndPoint point = new IPEndPoint(ip, Convert.ToInt32(textBox2.Text)); //让负责监听的socket绑定ip地址和端口号 socketWatch.Bind(point); ShowMsg("监听成功"); //设置监听队列（某一时刻连接客户端的最大数目） socketWatch.Listen(10); //线程执行的方法 Thread th = new Thread(Listen); //服务器开始监听 th.IsBackground = true; th.Start(socketWatch); } catch { } } void ShowMsg(string str) { textBox3.AppendText(str + "\r\n"); } /// <summary> /// 等待客户端的连接 并且创建与之通信的Socket /// </summary> /// Socket socketSend; void Listen(object o) { Socket socketWatch = o as Socket; //负责监听的socket 来接收客户端的连接 //创建跟客户端通信的socket while (true) { try { socketSend = socketWatch.Accept(); ShowMsg(socketSend.RemoteEndPoint.ToString() + "连接成功"); //开始一个新的线程不断接受客户端发送过来的消息 Thread th = new Thread(Recive); th.IsBackground = true; th.Start(socketSend); } catch { } } } /// <summary> /// 服务器不断接受客户端发送过来的消息 /// </summary> /// <param name="o"></param> void Recive(object o) { Socket socketSend = o as Socket; while (true) { try { //客户端连接成功后，服务器应该接收客户端发来的消息 byte[] buffer = new byte[1024 * 1024 * 2]; //实际接收到的有效字节数 int bytelen = socketSend.Receive(buffer); if (bytelen == 0) { break; } string str = Encoding.UTF8.GetString(buffer, 0, bytelen); ShowMsg(socketSend.RemoteEndPoint + ":" + str); } catch { } } } private void textBox1_TextChanged(object sender, EventArgs e) { } private void Form1_Load(object sender, EventArgs e) { Control.CheckForIllegalCrossThreadCalls = false; } /// <summary> /// 服务器给客户端发送消息 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void button3_Click(object sender, EventArgs e) { string str = textBox4.Text; byte[] buffer = System.Text.Encoding.UTF8.GetBytes(str); socketSend.Send(buffer); } }}感谢你能够认真阅读完这篇文章，希望小编分享的“C#基于Sockets类如何实现TCP通讯”这篇文章对大家有帮助，同时也希望大家多多支持编程网，关注编程网行业资讯频道，更多相关知识等着你来学习!
