form1.cs

java基础方面的一些实例代码

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets ; 
  //使用到TcpListen类 
using System.Net ; 
using System.Threading ; 
  //使用到线程 

namespace sc
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListBox listBox1;
		private System.Windows.Forms.StatusBar statusBar1;
		private System.Windows.Forms.Button button1;

		int port = 8000 ; 
		//定义侦听端口号 
		private Thread thThreadRead ; 
		//创建线程，用以侦听端口号，接收信息  
		private bool blistener = true ; 
		//设定标示位，判断侦听状态 
		private Socket stRead ; 
		private TcpListener tlTcpListen;
		private int count = 0;
		private double num;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Label label6;


		/// <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.button1 = new System.Windows.Forms.Button();
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.statusBar1 = new System.Windows.Forms.StatusBar();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.button3 = new System.Windows.Forms.Button();
			this.label4 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.button2 = new System.Windows.Forms.Button();
			this.label3 = new System.Windows.Forms.Label();
			this.button4 = new System.Windows.Forms.Button();
			this.label5 = new System.Windows.Forms.Label();
			this.label6 = new System.Windows.Forms.Label();
			this.groupBox1.SuspendLayout();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(48, 144);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(80, 32);
			this.button1.TabIndex = 0;
			this.button1.Text = "开始监听";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// listBox1
			// 
			this.listBox1.ItemHeight = 12;
			this.listBox1.Location = new System.Drawing.Point(16, 8);
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(258, 124);
			this.listBox1.TabIndex = 1;
			// 
			// statusBar1
			// 
			this.statusBar1.Location = new System.Drawing.Point(0, 338);
			this.statusBar1.Name = "statusBar1";
			this.statusBar1.Size = new System.Drawing.Size(290, 22);
			this.statusBar1.TabIndex = 2;
			this.statusBar1.Text = "无连接";
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.label6);
			this.groupBox1.Controls.Add(this.label5);
			this.groupBox1.Controls.Add(this.button3);
			this.groupBox1.Controls.Add(this.label4);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.button2);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Location = new System.Drawing.Point(16, 192);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(256, 144);
			this.groupBox1.TabIndex = 3;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "同步TCP测试（传输准确性）";
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(144, 24);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(80, 24);
			this.button3.TabIndex = 6;
			this.button3.Text = "计算准确率";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// label4
			// 
			this.label4.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
			this.label4.Location = new System.Drawing.Point(104, 112);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(144, 16);
			this.label4.TabIndex = 5;
			// 
			// label2
			// 
			this.label2.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
			this.label2.Location = new System.Drawing.Point(104, 88);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(144, 16);
			this.label2.TabIndex = 2;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 88);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(104, 16);
			this.label1.TabIndex = 1;
			this.label1.Text = "实际接收数据m";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(32, 24);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(80, 24);
			this.button2.TabIndex = 0;
			this.button2.Text = "计数器清零";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(8, 112);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(104, 16);
			this.label3.TabIndex = 4;
			this.label3.Text = "准确率（m/n）";
			// 
			// button4
			// 
			this.button4.Location = new System.Drawing.Point(168, 144);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(72, 32);
			this.button4.TabIndex = 5;
			this.button4.Text = "结束监听";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// label5
			// 
			this.label5.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
			this.label5.Location = new System.Drawing.Point(104, 64);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(144, 16);
			this.label5.TabIndex = 7;
			// 
			// label6
			// 
			this.label6.Location = new System.Drawing.Point(8, 64);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(96, 16);
			this.label6.TabIndex = 8;
			this.label6.Text = "实际发送数据n";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(290, 360);
			this.Controls.Add(this.button4);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.statusBar1);
			this.Controls.Add(this.listBox1);
			this.Controls.Add(this.button1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.MaximizeBox = false;
			this.Name = "Form1";
			this.Text = "TCP接收端";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.groupBox1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
		public void Listen ( )
		{
				 try
					  {
						  IPAddress ipAddress = Dns.Resolve("localhost").AddressList[0];
						  tlTcpListen =  new TcpListener(ipAddress, port);
						  //以8000端口号来初始化TcpListener实例
						  tlTcpListen.Start ( )  ;
						  //开始监听网络的连接请求
						  statusBar1.Text = "正在监听..."  ;
						  stRead = tlTcpListen.AcceptSocket ( ) ;
						  //通过连接请求，并获得接收数据时使用的Socket实例
						  EndPoint tempRemoteEP = stRead.RemoteEndPoint  ;
						  IPEndPoint tempRemoteIP =  ( IPEndPoint ) tempRemoteEP ;
						  statusBar1.Text = "已经连接！" ;
						  //循环侦听
						  while (  blistener  )
						  {
							  string sTime = DateTime.Now.ToShortTimeString  ( )  ;
							  //获取接收数据时的时间
							  Byte [ ] byRead =new Byte [ 800 ] ;
							  int iRead = stRead.ReceiveFrom 
								  ( byRead , ref tempRemoteEP ) ;
							  //获得接收的字节数目
							  Byte [ ] byText = new Byte [ iRead ] ;
							  //并根据接收到的字节数目来定义字节数组
							  Array.Copy  ( byRead , 0 , byText , 0 , iRead ) ;
							  //sourceArray,sourceIndex,destinationArray,destinationIndex,length


							  string sTemp = System.Text.Encoding.Default.
								  GetString ( byText ) ;
							  //判断是否为测试数据
							  if  ( sTemp.Trim().StartsWith("#") )
							  {
								  string abc=sTemp;
								  abc = abc.Replace("#", "");
								  num = Convert.ToDouble(abc); 
								  this.label5.Text = num.ToString()+"个";
								  count--;

							  }
							  //判断是否为断开连接控制码
							  if  (  sTemp.Trim ( )  == "STOP"  )
							  {
								  stRead.Close ( ) ;
								  tlTcpListen.Stop  (  )  ;
								  //关闭侦听
								  statusBar1.Text = "连接已经关闭！"  ;
								  thThreadRead.Abort  (   )  ;
								  //中止线程
								  return ;
							  }
							  else
								  count++;
								  listBox1.Items.Add  (  sTime + " " + sTemp +" 收到的第"+count+"个数据" )  ;
							      this.label2.Text=(count+"个");      

						  }
					  }
				 catch(  System.Security.SecurityException  )
				 {
				     MessageBox.Show  (  "侦听失败！"  , "错误"  )  ;
				 }
		}		


		private void button1_Click(object sender, System.EventArgs e)
		{		
						
			thThreadRead = new Thread ( new ThreadStart ( Listen ) ) ;
			//以Listen过程来初始化Thread实例
			thThreadRead.Start (   ) ;
			//启动线程
			button1.Enabled = false  ;

		}

		private void Form1_Load(object sender, System.EventArgs e)
		{

		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			count=0;
			num=0;
			this.label5.Text=(num+"个");
			this.label2.Text=(count+"个");
			this.label4.Text=("");
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			try
			{
				
				double temp=count/num*100;
				this.label4.Text=(temp.ToString()+"%");
			}
			catch(Exception ex)
			{
				MessageBox.Show(ex.Message);
			}
		}

		private void button4_Click(object sender, System.EventArgs e)
		{
			stRead.Close ( ) ;
		    tlTcpListen.Stop  (  )  ;
			//关闭侦听
		    statusBar1.Text = "连接已经关闭！"  ;
			thThreadRead.Abort  (   )  ;
			//中止线程
		
		}
	}
}