form1.cs

都是经典

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

namespace 合并程序
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ProgressBar progressBar1 ;
		private System.Windows.Forms.TextBox textBox2 ;
		private System.Windows.Forms.Label label3 ;
		private System.Windows.Forms.Button button2 ;
		private System.Windows.Forms.TextBox textBox1 ;
		private System.Windows.Forms.Label label2 ;
		private System.Windows.Forms.Button button1 ;
		private System.Windows.Forms.OpenFileDialog openFileDialog1 ;
		public  string sDirectoryName = "" ;
		//定义一个全局变量，用以存放合并文件所在的目录
		/// <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 Form Designer generated code
		/// <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.progressBar1 = new System.Windows.Forms.ProgressBar ( )  ;
			this.textBox2 = new System.Windows.Forms.TextBox ( )  ;
			this.label3 = new System.Windows.Forms.Label ( )  ;
			this.button2 = new System.Windows.Forms.Button ( )  ;
			this.textBox1 = new System.Windows.Forms.TextBox ( )  ;
			this.label2 = new System.Windows.Forms.Label ( )  ;
			this.button1 = new System.Windows.Forms.Button ( )  ;
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog ( )  ;
			this.SuspendLayout ( )  ;
			this.progressBar1.Dock = System.Windows.Forms.DockStyle.Bottom ;
			this.progressBar1.Location = new System.Drawing.Point ( 0 , 160 )  ;
			this.progressBar1.Name = "progressBar1" ;
			this.progressBar1.Size = new System.Drawing.Size ( 353 , 23 )  ;
			this.progressBar1.TabIndex = 16 ;
			this.textBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle ;
			this.textBox2.Location = new System.Drawing.Point ( 120 , 47 )  ;
			this.textBox2.Name = "textBox2" ;
			this.textBox2.Size = new System.Drawing.Size ( 171 , 21 )  ;
			this.textBox2.TabIndex = 15 ;
			this.textBox2.Text = "" ;
			this.label3.Location = new System.Drawing.Point ( 25 , 52 )  ;
			this.label3.Name = "label3" ;
			this.label3.TabIndex = 14 ;
			this.label3.Text = "输入文件名：" ;
			this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup ;
			this.button2.Location = new System.Drawing.Point ( 296 , 11 )  ;
			this.button2.Name = "button2" ;
			this.button2.Size = new System.Drawing.Size ( 32 , 23 )  ;
			this.button2.TabIndex = 13 ;
			this.button2.Text = "..." ;
			this.button2.Click += new System.EventHandler ( this.button2_Click )  ;
			this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle ;
			this.textBox1.Location = new System.Drawing.Point ( 120 , 12 )  ;
			this.textBox1.Name = "textBox1" ;
			this.textBox1.Size = new System.Drawing.Size ( 171 , 21 )  ;
			this.textBox1.TabIndex = 12 ;
			this.textBox1.Text = "" ;
			this.label2.Location = new System.Drawing.Point ( 37 , 16 )  ;
			this.label2.Name = "label2" ;
			this.label2.TabIndex = 11 ;
			this.label2.Text = "选择文件：" ;
			this.button1.Enabled = false ;
			this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat ;
			this.button1.Location = new System.Drawing.Point ( 134 , 95 )  ;
			this.button1.Name = "button1" ;
			this.button1.Size = new System.Drawing.Size ( 75 , 36 )  ;
			this.button1.TabIndex = 10 ;
			this.button1.Text = "执行" ;
			this.button1.Click += new System.EventHandler ( this.button1_Click )  ;
			this.AutoScaleBaseSize = new System.Drawing.Size ( 6 , 14 )  ;
			this.ClientSize = new System.Drawing.Size ( 353 , 183 )  ;
			this.Controls.AddRange ( new System.Windows.Forms.Control[] {
			  this.progressBar1 ,
			  this.textBox2 ,
			  this.label3 ,
			  this.button2 ,
			  this.textBox1 ,
			  this.label2 ,
			  this.button1} )  ;
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle ;
			this.MaximizeBox = false ;
			this.Name = "Form1" ;
			this.Text = "合并程序" ;
			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 button2_Click ( object sender , System.EventArgs e ) 
		{
			openFileDialog1.Title ="请选择要合并的第一个文件" ;
			System.Windows.Forms.DialogResult drTemp = openFileDialog1.ShowDialog  ( )  ;
			if  ( drTemp == DialogResult.OK && openFileDialog1.FileName != "" ) 
			{
				textBox1.Text = openFileDialog1.FileName  ;
			}
			string[ ] path = openFileDialog1.FileName .Split ( @"\".ToCharArray ( ) ) ;
			string sTemp = "" ;
			int i= 0 ;
			for  ( i= 0 ; i < path.Length - 1 ; i++ ) 
			{
				sTemp = sTemp + path[ i ] + @"\" ;
			}
			button1.Enabled = true ;
			sDirectoryName= sTemp ;
			//获得文件所在目录
		}

		private void button1_Click ( object sender , System.EventArgs e ) 
		{
			string[ ] arrFileNames = Directory.GetFiles ( sDirectoryName )  ;  
			//获取存放分割后小文件所在目录所在的所有小文件
			int iSumFile = arrFileNames.Length  ;
			progressBar1.Maximum = iSumFile ;
			FileStream AddStream = new FileStream ( textBox2.Text  , FileMode.OpenOrCreate )  ;  
			//以合并后的文件名称和打开方式来创建、初始化FileStream文件流
			BinaryWriter AddWriter = new BinaryWriter ( AddStream )  ;  
			//以FileStream文件流来初始化BinaryWriter书写器，此用以合并分割的文件
			/*循环合并小文件，并生成合并文件 */
			for  ( int i = 0 ; i < iSumFile ; i++ ) 
			{
				FileStream TempStream = new FileStream ( arrFileNames[ i ] , FileMode.Open )  ;  
				//以小文件所对应的文件名称和打开模式来初始化FileStream文件流，起读取分割作用
				BinaryReader TempReader = new BinaryReader ( TempStream )  ;  
				//用FileStream文件流来初始化BinaryReader文件阅读器，也起读取分割文件作用
				AddWriter.Write ( TempReader.ReadBytes (  ( int ) TempStream.Length )  )  ; 
				//读取分割文件中的数据，并生成合并后文件
				TempReader.Close ( )  ;   
				//关闭BinaryReader文件阅读器
				TempStream.Close ( )  ;   
				//关闭FileStream文件流
				progressBar1.Value = i + 1 ;
				//显示合并进程
			}
			AddWriter.Close ( )  ;  
			//关闭BinaryWriter文件书写器
			AddStream.Close ( )  ;  
			//关闭FileStream文件流
			MessageBox.Show  ( "成功合并！" )  ;
			progressBar1.Value = 0  ;
		}

	}
}