form1.cs

原代码详细说明是关于c++方面的希望可以帮助大家使用

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;
using System.IO;
using System.Net;
using System.Net.Sockets;
namespace Exam8_3_1
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(7, 35);
			this.textBox1.Multiline = true;
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(281, 128);
			this.textBox1.TabIndex = 0;
			this.textBox1.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(9, 168);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(209, 21);
			this.textBox2.TabIndex = 1;
			this.textBox2.Text = "";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(14, 6);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(264, 22);
			this.button1.TabIndex = 2;
			this.button1.Text = "连接服务器";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(227, 168);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(55, 21);
			this.button2.TabIndex = 3;
			this.button2.Text = "发送";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 195);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.textBox1);
			this.Name = "Form1";
			this.Text = "客户端";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
        TcpClient client;
		NetworkStream stream;
		Thread th;
		private void button1_Click(object sender, System.EventArgs e)
		{
				try 
				{
					client = new TcpClient("127.0.0.1", 5555);
					stream = client.GetStream();
					button1.Enabled=false;
					textBox2.Enabled=true;
					button2.Enabled=true;
					textBox2.Focus();
					textBox1.Text="连接服务器成功\r\n";
					th=new Thread(new ThreadStart(readData));
                    th.Start();
				} 
				catch (Exception ee) 
				{
					MessageBox.Show("连接服务器失败:"+ee.Message);
				} 
			}
		private void button2_Click(object sender, System.EventArgs e)
		{
			Byte[] data = System.Text.Encoding.Unicode.GetBytes(textBox2.Text);         
			stream.Write(data, 0, data.Length);
			textBox1.AppendText("客户端对服务器说:"+textBox2.Text+"\r\n");        
			textBox2.Focus();
		}
		public void readData()
		{
			while(true)
			{
				byte []data = new byte[256];
				String str = String.Empty;
				Int32 bytes = stream.Read(data, 0, data.Length);
				str = System.Text.Encoding.Unicode.GetString(data, 0, bytes);
				if(str=="ServerClose")
				{	
					button1.Enabled=false;
					button2.Enabled=false;
					textBox2.Enabled=false;
					MessageBox.Show("服务器已关闭,请关闭客户端");
					stream.Close();
					client.Close();
					break;
				}
				else
				    textBox1.AppendText("服务器对客户端说："+str+"\r\n");
			}
		}

		private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			try
			{
				Byte[] data = System.Text.Encoding.Unicode.GetBytes("ClientClose");         
				stream.Write(data, 0, data.Length);
				th.Abort();
				stream.Close();
				client.Close();
			}
			catch(Exception){}
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			textBox1.ReadOnly=true;
			button2.Enabled=false;
			textBox2.Enabled=false;
		}
	}
}