form1.cs

在web信息检索中

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Data.SqlClient;
namespace WindowsApplication1
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.FolderBrowserDialog folderBrowserDialog1;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.MenuItem menuItem10;
		private System.Windows.Forms.Timer timer1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textBox1;
		private System.ComponentModel.IContainer components;

		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.components = new System.ComponentModel.Container();
			this.folderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog();
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.menuItem7 = new System.Windows.Forms.MenuItem();
			this.menuItem8 = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			this.label1 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// folderBrowserDialog1
			// 
			this.folderBrowserDialog1.HelpRequest += new System.EventHandler(this.folderBrowserDialog1_HelpRequest);
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem5,
																					  this.menuItem9});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem2,
																					  this.menuItem3,
																					  this.menuItem4});
			this.menuItem1.Text = "文件";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 0;
			this.menuItem2.Text = "新建";
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "打开";
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 2;
			this.menuItem4.Text = "";
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 1;
			this.menuItem5.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem6,
																					  this.menuItem7,
																					  this.menuItem8});
			this.menuItem5.Text = "编辑";
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 0;
			this.menuItem6.Text = "复制";
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 1;
			this.menuItem7.Text = "剪切";
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 2;
			this.menuItem8.Text = "粘贴";
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 2;
			this.menuItem9.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem10});
			this.menuItem9.Text = "链接";
			this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
			// 
			// menuItem10
			// 
			this.menuItem10.Index = 0;
			this.menuItem10.Text = "求入度";
			this.menuItem10.Click += new System.EventHandler(this.menuItem10_Click);
			// 
			// timer1
			// 
			this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(104, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(48, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "计时";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(152, 24);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(64, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 273);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label1);
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.Text = "hubness";
			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());
		}

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

		private void folderBrowserDialog1_HelpRequest(object sender, System.EventArgs e)
		{
		
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
         

		}

		private void menuItem9_Click(object sender, System.EventArgs e)
		{
			
			
		}

		private void menuItem10_Click(object sender, System.EventArgs e)
		{
				
			///		
			
			SqlConnection sqlConnection1 = new SqlConnection("Initial Catalog=Northwind;" + "Data Source=localhost;" + "Integrated Security=SSPI");

			sqlConnection1.Open();
			SqlCommand myCommand = new SqlCommand();
			myCommand.Connection=sqlConnection1;
			string myInsertQuery ="delete from linkinfo";//to linkinfo(fileid,linkIn,linkOut) Values('" + filename + "'," + linkin.ToString() +"," + linkout.ToString() +")";
			myCommand.CommandText=myInsertQuery;
			myCommand.ExecuteNonQuery();
			///
		    DateTime oldDate=DateTime.Now;//得到当前时间

			if(folderBrowserDialog1.ShowDialog() == DialogResult.OK)
			{
                int i,j,k,m;
				int linkout,len,linkin;
				string str,temp;
				string filename,filename1;
				string folder=folderBrowserDialog1.SelectedPath;
				string[] file=null;
				file=Directory.GetFiles(folder);//GetFileSystemEntries();
                //获得文件名
				for(i=0;i<file.Length;i++)
				{
					linkout=0;linkin=0;
					
					filename1=null;filename=null;
					k=0;
					while(k<file[i].Length)
					{
						
						if(file[i].Substring(k,1)!="\\")
						{
							filename1=filename1+file[i].Substring(k,1);
							k++;
						}
						else 
						{
							filename1=null;
							k++;
						}
					}
					m=0;
					while(m<filename1.Length)
					{
						if(filename1.Substring(m,1)!=".")
						{
							filename=filename+filename1.Substring(m,1);
							m++;
						}
						else
							break;

					}
                  //得到文件的名字
					//求出度，让出度表示为入度，如果入度大于50，取值50
					StreamReader sReader=null;
					sReader=new StreamReader(file[i],System.Text.Encoding.Default);

                 
					while((str=sReader.ReadLine())!=null)
					{						
						len=str.Length;
						for(j=0;j<len-4;j++)
						{
							temp=str.Substring(j,4);
							if(temp=="href")
								linkout=linkout+1;
							
						}//for
                   
					}//while
					if(linkout>80)
					{
						linkin=80;
						linkout=0;
					}
					else
					{
						linkin=linkout;
						linkout=0;
					}
					sReader.Close();
					     
					myInsertQuery ="INSERT INTO linkInfo (fileid,linkIn,linkOut) Values('" + filename + "'," + linkin.ToString() +"," + linkout.ToString() +")";
					//SqlCommand myCommand = new SqlCommand(myInsertQuery,sqlConnection1);
				
					myCommand.CommandText=myInsertQuery;
					myCommand.ExecuteNonQuery();
					//myCommand.ExecuteNonQuery();

				}//for
			}//if
			DateTime newDate = DateTime.Now;//得到运行后的时间
			TimeSpan ts = newDate - oldDate;//得到程序运行的时间

			textBox1.Text=ts.ToString();
				  sqlConnection1.Close();
			MessageBox.Show("success");
		}

		private void timer1_Tick(object sender, System.EventArgs e)
		{
		
		}
	}
}