form1.cs

C#开发的文字查找程序

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace TextFinder
{
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.TreeView tvResult;
		private System.Windows.Forms.TextBox tbError;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox tbText;
		private System.Windows.Forms.Button btFind;
		private System.Windows.Forms.TextBox tbBase;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox tbFilter;
		private System.Windows.Forms.Button btSetBaseDir;
		private System.Windows.Forms.StatusBar statusBar;
		private System.Windows.Forms.StatusBarPanel statusBarPanel1;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (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()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.tvResult = new System.Windows.Forms.TreeView();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.tbError = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.tbText = new System.Windows.Forms.TextBox();
			this.btFind = new System.Windows.Forms.Button();
			this.tbBase = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.tbFilter = new System.Windows.Forms.TextBox();
			this.btSetBaseDir = new System.Windows.Forms.Button();
			this.statusBar = new System.Windows.Forms.StatusBar();
			this.statusBarPanel1 = new System.Windows.Forms.StatusBarPanel();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).BeginInit();
			this.SuspendLayout();
			// 
			// tvResult
			// 
			this.tvResult.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.tvResult.ImageList = this.imageList1;
			this.tvResult.Location = new System.Drawing.Point(8, 56);
			this.tvResult.Name = "tvResult";
			this.tvResult.Size = new System.Drawing.Size(552, 264);
			this.tvResult.TabIndex = 6;
			this.tvResult.DoubleClick += new System.EventHandler(this.tvResult_DoubleClick);
			// 
			// imageList1
			// 
			this.imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth32Bit;
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// tbError
			// 
			this.tbError.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.tbError.Cursor = System.Windows.Forms.Cursors.IBeam;
			this.tbError.Location = new System.Drawing.Point(8, 320);
			this.tbError.Multiline = true;
			this.tbError.Name = "tbError";
			this.tbError.ReadOnly = true;
			this.tbError.ScrollBars = System.Windows.Forms.ScrollBars.Both;
			this.tbError.Size = new System.Drawing.Size(552, 72);
			this.tbError.TabIndex = 8;
			this.tbError.Text = "";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(8, 35);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(72, 18);
			this.label2.TabIndex = 15;
			this.label2.Text = "查找文字：";
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(8, 11);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(58, 18);
			this.label1.TabIndex = 14;
			this.label1.Text = "查找目录";
			// 
			// tbText
			// 
			this.tbText.Location = new System.Drawing.Point(88, 32);
			this.tbText.Name = "tbText";
			this.tbText.TabIndex = 3;
			this.tbText.Text = "";
			// 
			// btFind
			// 
			this.btFind.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btFind.Location = new System.Drawing.Point(392, 8);
			this.btFind.Name = "btFind";
			this.btFind.TabIndex = 5;
			this.btFind.Text = "开始查找";
			this.btFind.Click += new System.EventHandler(this.btFind_Click);
			// 
			// tbBase
			// 
			this.tbBase.Location = new System.Drawing.Point(88, 8);
			this.tbBase.Name = "tbBase";
			this.tbBase.Size = new System.Drawing.Size(224, 22);
			this.tbBase.TabIndex = 1;
			this.tbBase.Text = "";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Location = new System.Drawing.Point(192, 36);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(58, 18);
			this.label3.TabIndex = 16;
			this.label3.Text = "文件名：";
			// 
			// tbFilter
			// 
			this.tbFilter.Location = new System.Drawing.Point(248, 32);
			this.tbFilter.Name = "tbFilter";
			this.tbFilter.TabIndex = 4;
			this.tbFilter.Text = "*.*";
			// 
			// btSetBaseDir
			// 
			this.btSetBaseDir.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(192)), ((System.Byte)(255)), ((System.Byte)(255)));
			this.btSetBaseDir.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.btSetBaseDir.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.btSetBaseDir.Location = new System.Drawing.Point(320, 5);
			this.btSetBaseDir.Name = "btSetBaseDir";
			this.btSetBaseDir.Size = new System.Drawing.Size(24, 24);
			this.btSetBaseDir.TabIndex = 2;
			this.btSetBaseDir.Text = "...";
			this.btSetBaseDir.Click += new System.EventHandler(this.btSetBaseDir_Click);
			// 
			// statusBar
			// 
			this.statusBar.Location = new System.Drawing.Point(0, 390);
			this.statusBar.Name = "statusBar";
			this.statusBar.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
																						 this.statusBarPanel1});
			this.statusBar.ShowPanels = true;
			this.statusBar.Size = new System.Drawing.Size(568, 24);
			this.statusBar.TabIndex = 19;
			// 
			// statusBarPanel1
			// 
			this.statusBarPanel1.Width = 500;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(7, 15);
			this.ClientSize = new System.Drawing.Size(568, 414);
			this.Controls.Add(this.statusBar);
			this.Controls.Add(this.btSetBaseDir);
			this.Controls.Add(this.tbFilter);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.tbText);
			this.Controls.Add(this.btFind);
			this.Controls.Add(this.tbBase);
			this.Controls.Add(this.tbError);
			this.Controls.Add(this.tvResult);
			this.Font = new System.Drawing.Font("SimSun", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.Name = "Form1";
			this.Text = "文字查找";
			((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.EnableVisualStyles();
			Application.DoEvents();
			Application.Run(new Form1());
		}

		
		
		private void tvResult_DoubleClick(object sender, System.EventArgs e)
		{
			if (tvResult.SelectedNode.ImageIndex==0)
			{
				MyTreeNode node=tvResult.SelectedNode as MyTreeNode;
				System.Diagnostics.Process.Start("Notepad.exe",node.Data);
			}
		}

		private void btFind_Click(object sender, System.EventArgs e)
		{
			if (tbFilter.Text.Trim()=="")
				tbFilter.Text="*.*";
			btFind.Enabled=false;
			tvResult.Nodes.Clear();
			tvResult.BeginUpdate();
			MyTreeNode node=new MyTreeNode();
			node.Data =tbBase.Text;
			node.Text=tbBase.Text;
			node.ImageIndex=2;
			node.SelectedImageIndex=1;
			tvResult.Nodes.Add(node);
			FindText(tvResult.Nodes[0] as MyTreeNode,tbBase.Text,tbText.Text.ToLower());
			tvResult.EndUpdate();
			node.Expand();
			statusBarPanel1.Text="Done";
			btFind.Enabled=true;
		}

		public MyTreeNode AddNode(MyTreeNode parent,string name,bool isDir)
		{
			MyTreeNode node=new MyTreeNode();
			node.Data=name;
			node.Text=Path.GetFileName(name);
			if (isDir) 
			{
				node.ImageIndex=2;
				node.SelectedImageIndex=1;
			}
			else
			{
				node.SelectedImageIndex=0;
				node.ImageIndex=0;
			}
			
			parent.Nodes.Add(node);
			return node;
		}

		public void FindText(MyTreeNode parent,string DirName, string TextToFind)
		{
			//parent.Expand();
			
			string[] sFiles= Directory.GetFiles(DirName,tbFilter.Text);
			foreach (string sFile in sFiles)
			{
				try 
				{
					statusBarPanel1.Text=sFile;
					Application.DoEvents();
					using (StreamReader sr = new StreamReader(sFile)) 
					{
						String line;
						while ((line = sr.ReadLine()) != null) 
						{
							line=line.ToLower();
							if (line.IndexOf(TextToFind)>0) 
							{
								AddNode(parent,sFile,false);
								break;
							}
						}
						sr.Close();
					}
				}
				catch (Exception e) 
				{
					tbError.Text=tbError.Text+'\r'+'\n'+e.Message;
				}
	
			}

			string[] sDirs=Directory.GetDirectories(DirName);

			foreach(string sDir in sDirs)
			{
				FindText(AddNode(parent,sDir,true),sDir,TextToFind);
			}

		}

		private void btSetBaseDir_Click(object sender, System.EventArgs e)
		{
			FolderBrowserDialog fb=new FolderBrowserDialog();
			fb.ShowNewFolderButton=false;
			if (fb.ShowDialog(this)==DialogResult.OK)
			{
				tbBase.Text=fb.SelectedPath;
			}
		}
	}

		
}