目录
一 设计界面
二 后台代码
一 设计界面
二 后台代码
using System.Net.Sockets;
using System.Text;namespace TCP网络客户端通讯
{public partial class Form1 : Form{public Form1(){InitializeComponent();}TcpClient tcpClient = new TcpClient();private void connect_Click(object sender, EventArgs e){if (!tcpClient.Connected){tcpClient.Connect(IP.Text, int.Parse(PORT.Text));//开启线程一直读取数据Task.Run(() =>{while (true){NetworkStream networkStream = tcpClient.GetStream();if (networkStream != null){byte[] datas = new byte[1024];networkStream.Read(datas, 0, datas.Length);this.BeginInvoke(new Action(() =>{log.Text = Encoding.UTF8.GetString(datas);}));}}});}}private void send_Click(object sender, EventArgs e){NetworkStream networkStream = tcpClient.GetStream();if (networkStream != null){byte[] datas = Encoding.UTF8.GetBytes(log.Text);networkStream.Write(datas, 0, datas.Length);}}private void Form1_Load(object sender, EventArgs e){IP.Text = "127.0.0.1";PORT.Text = "8899";}}
}
设计器自动生成代码：
namespace TCP网络客户端通讯
{partial class Form1{/// <summary>/// Required designer variable./// </summary>private System.ComponentModel.IContainer components = null;/// <summary>/// Clean up any resources being used./// </summary>/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>protected override void Dispose(bool disposing){if (disposing && (components != null)){components.Dispose();}base.Dispose(disposing);}#region Windows Form Designer generated code/// <summary>/// Required method for Designer support - do not modify/// the contents of this method with the code editor./// </summary>private void InitializeComponent(){label1 = new Label();label2 = new Label();IP = new TextBox();PORT = new TextBox();connect = new Button();log = new RichTextBox();send = new Button();SuspendLayout();// // label1// label1.AutoSize = true;label1.Location = new Point(32, 52);label1.Name = "label1";label1.Size = new Size(22, 20);label1.TabIndex = 0;label1.Text = "IP";// // label2// label2.AutoSize = true;label2.Location = new Point(32, 113);label2.Name = "label2";label2.Size = new Size(39, 20);label2.TabIndex = 1;label2.Text = "端口";// // IP// IP.Location = new Point(103, 52);IP.Name = "IP";IP.Size = new Size(125, 27);IP.TabIndex = 2;// // PORT// PORT.Location = new Point(103, 110);PORT.Name = "PORT";PORT.Size = new Size(125, 27);PORT.TabIndex = 3;// // connect// connect.Location = new Point(32, 185);connect.Name = "connect";connect.Size = new Size(196, 29);connect.TabIndex = 4;connect.Text = "连接";connect.UseVisualStyleBackColor = true;connect.Click += connect_Click;// // log// log.Location = new Point(32, 258);log.Name = "log";log.Size = new Size(196, 134);log.TabIndex = 5;log.Text = "";// // send// send.Location = new Point(32, 416);send.Name = "send";send.Size = new Size(196, 29);send.TabIndex = 6;send.Text = "发送数据";send.UseVisualStyleBackColor = true;send.Click += send_Click;// // Form1// AutoScaleDimensions = new SizeF(9F, 20F);AutoScaleMode = AutoScaleMode.Font;ClientSize = new Size(391, 497);Controls.Add(send);Controls.Add(log);Controls.Add(connect);Controls.Add(PORT);Controls.Add(IP);Controls.Add(label2);Controls.Add(label1);MaximizeBox = false;Name = "Form1";Text = "TCP客户端通讯";Load += Form1_Load;ResumeLayout(false);PerformLayout();}#endregionprivate Label label1;private Label label2;private TextBox IP;private TextBox PORT;private Button connect;private RichTextBox log;private Button send;}
}
