本文主要是介绍C# TcpClient，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
TcpClient 自己封装的话，还是比较麻烦的，可以基于线程，也可以基于异步写，最好的办法是网上找个插件，我发现一个插件还是非常好用的：STTech.BytesIO.Tcp
下面是这个插件作者的帖子，有兴趣的可以去看看
TcpClient
BytesIO | 零基础轻松看懂 C# TCP客户端（完整源码+视频教程）_sttech.bytesio.tcp-CSDN博客
TcpServer
BytesIO | C# 超简洁的TCP服务端开发（完整源码+视频教程）_c# bytesio-CSDN博客
目前网上大部分帖子都是用 PropertyGrid 控件去实现的，其实没必要
我做了一个简单的界面，如下
代码：
using System;
using System.Collections.Generic;
using System.Windows.Forms;namespace TcpClinetTest2
{public partial class Form1 : Form{public Form1(){InitializeComponent();}STTech.BytesIO.Tcp.TcpClient tcpClient;private void Form1_Load(object sender, EventArgs e){this.tcpClient = new STTech.BytesIO.Tcp.TcpClient();//tcp接收数据时触发的事件this.tcpClient.OnDataReceived += TcpClient_OnDataReceived;//tcp连接成功时触发的事件this.tcpClient.OnConnectedSuccessfully += TcpClient_OnConnectedSuccessfully;//tcp连接断开时触发的事件this.tcpClient.OnDisconnected += TcpClient_OnDisconnected;}private void Form1_FormClosing(object sender, FormClosingEventArgs e){if (this.tcpClient.IsConnected)this.tcpClient.Disconnect();}private void TcpClient_OnDisconnected(object sender, STTech.BytesIO.Core.DisconnectedEventArgs e){Console.WriteLine($"已断开：{e.ReasonCode}");}private void TcpClient_OnConnectedSuccessfully(object sender, STTech.BytesIO.Core.ConnectedSuccessfullyEventArgs e){Console.WriteLine("连接成功");}private void TcpClient_OnDataReceived(object sender, STTech.BytesIO.Core.DataReceivedEventArgs e){Console.WriteLine($"收到数据：{e.Data.EncodeToString("GBK")}");}//连接private void Button_Connect_Click(object sender, EventArgs e){this.tcpClient.Host = "192.168.30.91";this.tcpClient.Port = 6666;var result = this.tcpClient.Connect();Console.WriteLine($"结果：{result.IsSuccess}，错误码：{result.ErrorCode}");}//断开private void Button_Disconnect_Click(object sender, EventArgs e){this.tcpClient?.Disconnect();}//发送private void Button_Send_Click(object sender, EventArgs e){string message = TextBox_Message.Text;if (string.IsNullOrEmpty(message)){Console.WriteLine("消息框为空");return;}this.tcpClient.Send(message.GetBytes("GBK"));}//清空控制台private void Button_ClearConsole_Click(object sender, EventArgs e){Console.Clear();}//获取在线状态private void Button_GetOnlineStatus_Click(object sender, EventArgs e){Console.WriteLine($"在线状态：{this.tcpClient.IsConnected}");}}
}end
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