实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
namespace File
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.TextBox textBox6;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Label label8;
private System.Windows.Forms.OpenFileDialog openFileDialog1;
private System.Windows.Forms.TextBox textBox7;
/// <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.groupBox1 = new System.Windows.Forms.GroupBox();
this.button2 = new System.Windows.Forms.Button();
this.textBox4 = new System.Windows.Forms.TextBox();
this.label4 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.textBox7 = new System.Windows.Forms.TextBox();
this.button3 = new System.Windows.Forms.Button();
this.textBox5 = new System.Windows.Forms.TextBox();
this.label5 = new System.Windows.Forms.Label();
this.textBox6 = new System.Windows.Forms.TextBox();
this.label6 = new System.Windows.Forms.Label();
this.button4 = new System.Windows.Forms.Button();
this.label8 = new System.Windows.Forms.Label();
this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.Controls.Add(this.button2);
this.groupBox1.Controls.Add(this.textBox4);
this.groupBox1.Controls.Add(this.label4);
this.groupBox1.Controls.Add(this.textBox3);
this.groupBox1.Controls.Add(this.label3);
this.groupBox1.Controls.Add(this.textBox2);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Controls.Add(this.button1);
this.groupBox1.Controls.Add(this.textBox1);
this.groupBox1.Controls.Add(this.label1);
this.groupBox1.Location = new System.Drawing.Point(8, 8);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(344, 96);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "切分文件";
//
// button2
//
this.button2.Location = new System.Drawing.Point(280, 64);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(56, 23);
this.button2.TabIndex = 9;
this.button2.Text = "切分";
this.button2.Click = new System.EventHandler(this.button2_Click);
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(104, 64);
this.textBox4.Name = "textBox4";
this.textBox4.Size = new System.Drawing.Size(96, 21);
this.textBox4.TabIndex = 8;
this.textBox4.Text = "1440000";
//
// label4
//
this.label4.Location = new System.Drawing.Point(200, 48);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(48, 16);
this.label4.TabIndex = 7;
this.label4.Text = "块数：";
//
// textBox3
//
this.textBox3.BackColor = System.Drawing.SystemColors.Control;
this.textBox3.Location = new System.Drawing.Point(248, 40);
this.textBox3.Name = "textBox3";
this.textBox3.ReadOnly = true;
this.textBox3.Size = new System.Drawing.Size(88, 21);
this.textBox3.TabIndex = 6;
this.textBox3.Text = "";
//
// label3
//
this.label3.Location = new System.Drawing.Point(8, 72);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(104, 16);
this.label3.TabIndex = 5;
this.label3.Text = "分块长度(Byte)：";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(104, 40);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(96, 21);
this.textBox2.TabIndex = 4;
this.textBox2.Text = "";
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(104, 16);
this.label2.TabIndex = 3;
this.label2.Text = "文件大小(Byte)：";
//
// button1
//
this.button1.Location = new System.Drawing.Point(224, 64);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(56, 23);
this.button1.TabIndex = 2;
this.button1.Text = "浏览";
this.button1.Click = new System.EventHandler(this.button1_Click);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(104, 16);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(232, 21);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 24);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(96, 16);
this.label1.TabIndex = 0;
this.label1.Text = "被切分文件名：";
//
// groupBox2
//
this.groupBox2.Controls.Add(this.textBox7);
this.groupBox2.Controls.Add(this.button3);
this.groupBox2.Controls.Add(this.textBox5);
this.groupBox2.Controls.Add(this.label5);
this.groupBox2.Controls.Add(this.textBox6);
this.groupBox2.Controls.Add(this.label6);
this.groupBox2.Controls.Add(this.button4);
this.groupBox2.Controls.Add(this.label8);
this.groupBox2.Location = new System.Drawing.Point(8, 112);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(344, 96);
this.groupBox2.TabIndex = 1;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "组合文件";
//
// textBox7
//
this.textBox7.Location = new System.Drawing.Point(112, 64);
this.textBox7.Name = "textBox7";
this.textBox7.Size = new System.Drawing.Size(88, 21);
this.textBox7.TabIndex = 10;
this.textBox7.Text = "";
//
// button3
//
this.button3.Location = new System.Drawing.Point(280, 64);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(56, 23);
this.button3.TabIndex = 9;
this.button3.Text = "组合";
this.button3.Click = new System.EventHandler(this.button3_Click);
//
// textBox5
//
this.textBox5.Location = new System.Drawing.Point(112, 16);
this.textBox5.Name = "textBox5";
this.textBox5.Size = new System.Drawing.Size(224, 21);
this.textBox5.TabIndex = 8;
this.textBox5.Text = "";
//
// label5
//
this.label5.Location = new System.Drawing.Point(8, 72);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(80, 16);
this.label5.TabIndex = 7;
this.label5.Text = "分块数目：";
//
// textBox6
//
this.textBox6.Location = new System.Drawing.Point(112, 40);
this.textBox6.Name = "textBox6";
this.textBox6.Size = new System.Drawing.Size(224, 21);
this.textBox6.TabIndex = 6;
this.textBox6.Text = "";
//
// label6
//
this.label6.Location = new System.Drawing.Point(8, 48);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(104, 16);
this.label6.TabIndex = 5;
this.label6.Text = "组合文件名：";
//
// button4
//
this.button4.Location = new System.Drawing.Point(224, 64);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(56, 23);
this.button4.TabIndex = 2;
this.button4.Text = "浏览";
this.button4.Click = new System.EventHandler(this.button4_Click);
//
// label8
//
this.label8.Location = new System.Drawing.Point(8, 24);
this.label8.Name = "label8";
this.label8.Size = new System.Drawing.Size(104, 16);
this.label8.TabIndex = 0;
this.label8.Text = "第一切分文件名：";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(360, 214);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.groupBox1);
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "演示切分组合文件";
this.groupBox1.ResumeLayout(false);
this.groupBox2.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());
}
private void button1_Click(object sender, System.EventArgs e)
{//浏览被切分文件
if(this.openFileDialog1.ShowDialog()==DialogResult.Cancel)
return;
try
{
string FileName=this.openFileDialog1.FileName;
this.textBox1.Text=FileName;
FileInfo MyFileInfo=new FileInfo(FileName);
this.textBox2.Text=MyFileInfo.Length.ToString();
this.textBox3.Text= System.Math.Ceiling(Double.Parse(this.textBox2.Text)/Double.Parse(this.textBox4.Text)).ToString();
}
catch(Exception Err)
{
MessageBox.Show("获取文件信息出现错误：" Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
private void button2_Click(object sender, System.EventArgs e)
{//切分文件
try
{
FileStream MyInFile=new FileStream(this.textBox1.Text,FileMode.OpenOrCreate, FileAccess.Read);
for (int i = 0; i<Int32.Parse(this.textBox3.Text) ; i )
{
FileStream MyOutFile = new FileStream(this.textBox1.Text i ".xyz",FileMode.OpenOrCreate, FileAccess.Write);
int data=0;
int FileSize=Convert.ToInt32(this.textBox4.Text);
byte [] buffer = new byte [FileSize];
if ((data=MyInFile.Read(buffer,0,FileSize))>0)
{
MyOutFile.Write(buffer,0,data);
}
MyOutFile.Close();
}
MyInFile.Close();
MessageBox.Show("切分文件操作完成！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
catch(Exception Err)
{
MessageBox.Show("切分文件出现错误：" Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
private void button4_Click(object sender, System.EventArgs e)
{//浏览组合文件
if(this.openFileDialog1.ShowDialog()==DialogResult.Cancel)
return;
try
{
string FileName=this.openFileDialog1.FileName;
this.textBox5.Text=FileName;
this.textBox6.Text=FileName.Substring(0,FileName.Length-5);
int i=0;
while(System.IO.File.Exists(this.textBox6.Text i ".xyz"))
{
i ;
}
this.textBox7.Text=i.ToString();
}
catch(Exception Err)
{
MessageBox.Show("获取文件信息出现错误：" Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
private void button3_Click(object sender, System.EventArgs e)
{//组合切分文件
try
{
FileStream MyOutFile = new FileStream(this.textBox6.Text,FileMode.OpenOrCreate, FileAccess.Write);
for (int i=0;i<Int32.Parse(this.textBox7.Text); i )
{
int data=0;
byte [] buffer = new byte [1024];
FileStream MyInFile = new FileStream(this.textBox6.Text i ".xyz",FileMode.OpenOrCreate, FileAccess.Read);
while ((data=MyInFile.Read(buffer,0,1024))>0)
{
MyOutFile.Write(buffer,0,data);
}
MyInFile.Close();
}
MyOutFile.Close();
MessageBox.Show("组合文件操作完成","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
catch(Exception Err)
{
MessageBox.Show("组合文件出现错误：" Err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
}
}
}
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