【文件属性】：
文件名称：c#实例135 如何扫描端口
文件大小：25KB
文件格式：RAR
更新时间：2015-06-06 19:22:23
c#
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net.Sockets;
namespace PortCheck
{
///
/// Form1 的摘要说明。
///
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.NumericUpDown numericUpDown1;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.NumericUpDown numericUpDown2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.RichTextBox richTextBox1;
private System.Windows.Forms.ProgressBar progressBar1;
///
/// 必需的设计器变量。
///
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
//
}
///
/// 清理所有正在使用的资源。
///
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
///
/// 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。
///
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
this.label3 = new System.Windows.Forms.Label();
this.numericUpDown2 = new System.Windows.Forms.NumericUpDown();
this.button1 = new System.Windows.Forms.Button();
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.progressBar1 = new System.Windows.Forms.ProgressBar();
((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).BeginInit();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(80, 16);
this.label1.TabIndex = 0;
this.label1.Text = "目标主机名：";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(88, 8);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(72, 21);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "127.0.0.1";
//
// label2
//
this.label2.Location = new System.Drawing.Point(168, 16);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(80, 16);
this.label2.TabIndex = 2;
this.label2.Text = "起始端口号：";
//
// numericUpDown1
//
this.numericUpDown1.Location = new System.Drawing.Point(248, 8);
this.numericUpDown1.Maximum = new System.Decimal(new int[] {
65536,
0,
0,
0});
this.numericUpDown1.Name = "numericUpDown1";
this.numericUpDown1.Size = new System.Drawing.Size(80, 21);
this.numericUpDown1.TabIndex = 3;
//
// label3
//
this.label3.Location = new System.Drawing.Point(8, 40);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(80, 16);
this.label3.TabIndex = 4;
this.label3.Text = "结束端口号：";
//
// numericUpDown2
//
this.numericUpDown2.Location = new System.Drawing.Point(88, 32);
this.numericUpDown2.Maximum = new System.Decimal(new int[] {
65536,
0,
0,
0});
this.numericUpDown2.Name = "numericUpDown2";
this.numericUpDown2.Size = new System.Drawing.Size(72, 21);
this.numericUpDown2.TabIndex = 5;
this.numericUpDown2.Value = new System.Decimal(new int[] {
50,
0,
0,
0});
//
// button1
//
this.button1.Location = new System.Drawing.Point(248, 32);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(80, 23);
this.button1.TabIndex = 6;
this.button1.Text = "开始扫描";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// richTextBox1
//
this.richTextBox1.Location = new System.Drawing.Point(8, 56);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(320, 168);
this.richTextBox1.TabIndex = 7;
this.richTextBox1.Text = "";
//
// progressBar1
//
this.progressBar1.Location = new System.Drawing.Point(8, 224);
this.progressBar1.Name = "progressBar1";
this.progressBar1.Size = new System.Drawing.Size(320, 23);
this.progressBar1.Step = 1;
this.progressBar1.TabIndex = 10;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(336, 254);
this.Controls.Add(this.progressBar1);
this.Controls.Add(this.richTextBox1);
this.Controls.Add(this.button1);
this.Controls.Add(this.numericUpDown2);
this.Controls.Add(this.label3);
this.Controls.Add(this.numericUpDown1);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "演示端口扫描";
((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).EndInit();
this.ResumeLayout(false);
}
#endregion
///
/// 应用程序的主入口点。
///
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)
{//扫描端口
int iStart=(int)this.numericUpDown1.Value;
int iEnd=(int)this.numericUpDown2.Value;
try
{
this.progressBar1.Minimum=iStart;
this.progressBar1.Maximum=iEnd;
this.richTextBox1.Text="程序开始扫描端口：\\n";
this.richTextBox1.Update();
for(int i=iStart ;i
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