C# 文件拆分器
这个程序最终只能归为“玩具”一类。
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace filesplit
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.OpenFileDialog ofd;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
/// <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.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.ofd = new System.Windows.Forms.OpenFileDialog();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.textBox1.Location = new System.Drawing.Point(16, 16);
this.textBox1.Name = "textBox1";
this.textBox1.ReadOnly = true;
this.textBox1.Size = new System.Drawing.Size(376, 21);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "File Path";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(56, 48);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(72, 21);
this.textBox2.TabIndex = 1;
this.textBox2.Text = "";
//
// button1
//
this.button1.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.button1.Location = new System.Drawing.Point(200, 48);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(272, 24);
this.button1.TabIndex = 2;
this.button1.Text = "拆分";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.button2.Location = new System.Drawing.Point(400, 16);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(72, 24);
this.button2.TabIndex = 3;
this.button2.Text = "浏览";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 48);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(32, 23);
this.label1.TabIndex = 4;
this.label1.Text = "尺寸";
//
// label2
//
this.label2.Location = new System.Drawing.Point(136, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(56, 16);
this.label2.TabIndex = 5;
this.label2.Text = "KB";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(498, 79);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "Form1";
this.Text = "Spliter";
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)
{
if(this.ofd.ShowDialog()!=System.Windows.Forms.DialogResult.OK){return;}
this.textBox1.Text=ofd.FileName;
}
private void button1_Click(object sender, System.EventArgs e)
{
try
{
int i=1;
try
{
i=int.Parse(this.textBox2.Text);
if (i <= 0) { System.Exception ee = new Exception(); throw ee; }
i*=1000;
}
catch
{
i=0;
System.Windows.Forms.MessageBox.Show("输入拆分数字不正确");
return;
}
#region "分配文件夹"
int count=1;
string workpath=ofd.FileName.ToString()+" Split";
while(true)
{
if(!System.IO.Directory.Exists(workpath)){break;}
else
{
if(!System.IO.Directory.Exists(workpath+"_"+count.ToString()))
{
workpath+="_"+count.ToString();
break;
}
else
{
count++;
}
}
}
System.IO.Directory.CreateDirectory(workpath);
#endregion
System.IO.FileStream f=new System.IO.FileStream(ofd.FileName,System.IO.FileMode.Open);
System.IO.BinaryReader r = new System.IO.BinaryReader(f);
long l=f.Length;long x=0;
int filecount=1;
for(;x<l;)
{
System.IO.FileStream f2=new System.IO.FileStream(workpath+"\\"+filecount.ToString(),System.IO.FileMode.CreateNew);
for(int for1=0;for1<i;for1++)
{
if(x<l)
{
f2.WriteByte(r.ReadByte());
}
x++;
}
f2.Close();
filecount++;
}
f.Close();
System.IO.StreamWriter t =new System.IO.StreamWriter(System.IO.File.Open(workpath+"\\"+"组合文件.bat",System.IO.FileMode.Create),System.Text.Encoding.Default);
t.WriteLine("@echo off");
t.Write("copy ");
int tempcount = 0;
for(int for2=1;for2<filecount;for2++)
{
t.Write(for2.ToString()+" /b");
if(for2+1!=filecount)
{
if ((for2 % 100) == 0)
{
t.Write(" " + "temp" + ((int)(tempcount++)).ToString());
t.WriteLine();
t.Write("copy ");
}
else
{
t.Write(" + ");
}
}
else{
t.Write(" " + "temp" + ((int)(tempcount++)).ToString());
t.WriteLine();
}
}
t.Write("copy ");
for (int for2 = 0; for2 < tempcount; for2++)
{
t.Write("temp" + for2.ToString() + " /b");
if (for2 + 1 != tempcount && tempcount!=0)
{
t.Write(" + ");
}
else{
t.Write(" "+getfilename(ofd.FileName));
t.WriteLine();
}
}
for (int for2 = 0; for2 < tempcount; for2++)
{
t.WriteLine("del " + "temp" + for2.ToString());
}
for(int for2=1;for2<filecount;for2++)
{
t.WriteLine("del "+for2);
}
t.Close();
filecount-=1;
System.Windows.Forms.MessageBox.Show("拆分文件创建已经完成，共拆分为"+filecount.ToString()+"部分");
}
catch(System.Exception ee)
{
System.Windows.Forms.MessageBox.Show("操作出现失误,没有完成拆分:"+ee.Message );
GC.Collect();
}
}
private string getfilename(string str)
{
int firstname=0;
string result="";
for(int i=str.Length-1;i>=0;i--)
{
if(str[i]==''\\'')
{
firstname=i;
break;
}
}
for(int i=firstname+1;i<str.Length;i++)
{
result+=str[i];
}
return result;
}
}
}
